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arabian 315kva 6kv distribution transformer ambient temperature

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  • Influence of Ambient Temperature on Transformer ...

    2012-12-12u2002·u2002Influence of Ambient Temperature on Transformer Overloading During Cold Load Pickup Abstract: This paper proposes a method to investigate the socioeconomical aspects of transformer overloading during a cold load pickup (CLPU) in residential areas. The method uses customer damage functions to estimate the cost for their power interruption and a ...

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  • Temperature Rise and Transformer Efficiency

    2021-7-19u2002·u2002In general, more efficient transformers tend to have lower temperature rise, while less efficient units tend to have higher temperature rise. Transformer temperature rise is defined as the average temperature rise of the windings above the ambient (surrounding) temperature, when the transformer is loaded at its nameplate rating.

    Get Price
  • Electrical Transformer - Industrial Electric Transformer ...

    Manufacturer of Electrical Transformer - Industrial Electric Transformer, High Tension Transformer, 315kVA 3-Phase Oil Cooled Distribution Transformer and Three Phase Oil Cooled Transformer offered by Sunrise Transformers, Vadodara, Gujarat.

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  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002Transformer Design: Temperature limits • Oil temperature = 100/105oC • Average winding temperature( paper)= 85oC for normal paper & 95 oC for thermally upgraded paper & 125 or 145 C for nomex • Hotspot winding temperature (paper) based on daily average ambient=95oC for normal paper & 110oC for thermally upgraded paper

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  • S11 150kva 200kva 315kva 400kva 500kva 3 Phase

    S11 150kva 200kva 315kva 400kva 500kva 3 Phase 6.6/0.4kv Oil Immersed Type Electric Power Distribution Transformers 6.6kv, Find Complete Details about S11 150kva 200kva 315kva 400kva 500kva 3 Phase 6.6/0.4kv Oil Immersed Type Electric Power Distribution Transformers 6.6kv,Power Transformer 150kva,150kva Power Transformer,6.6kv Distribution Transformer from Transformers Supplier or ...

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  • 3-Phase Distribution Transformers 11 or 33 kV/415-240V ...

    4.1 The Distribution Transformers to be supplied against this Specification shall be suitable for satisfactory continuous operation under the following climatic conditions as per IS 2026 (Part - I). i) Location : At various locations in the country ii) Maximum ambient air temperature (0C) : 50

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  • 11/0.4kv 315kVA Power Supply Oil Immersed Distribution ...

    Highest annual average temperature 20ºC,lowest outdoor temperature -25ºC Transformers special service condition The height above sea level is above 1000m; Ambient temperature: Highest temperature 40ºC.lowest temperature -45ºC(defines in detail when placing an order) Tech data of 10KV S9,S9-M series distribution transformer

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  • Indoor distribution transformers oil temperature ...

    insulation life, the hotspot temperature of the transformer should be obtained, which needs accurate information about oil temperature. As a result, the first and foremost step is to obtain the temperature of the transformer oil. Due to the numerous numbers of indoor distribution transformers, as well as the cost of using conventional

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  • Transformer hot spot temperature prediction based on

    2021-1-1u2002·u2002The ambient oil temperature (T oil,amb) of the windings is available, i.e. it is measured during operation (cp. Fig. 14). It is used as boundary condition to approximate the windings temperature, i.e. copper layers temperature. Now, the radial temperature distribution for the different winding layers is …

    Get Price
  • Gibberellic acid signaling is required for ambient ...

    Distinct molecular mechanisms integrate changes in ambient temperature into the genetic pathways that govern flowering time in Arabidopsis thaliana. Temperature-dependent eviction of the histone variant H2A.Z from nucleosomes has been suggested to facilitate the expression of FT by PIF4 at elevated …

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  • Selection of fuses for the protection of transformers

    2021-8-14u2002·u2002In a 'transformer protection' cubicle, the fuse-switch combination can be replaced by a circuit breaker. The fuse rating is determined for an ambient temperature not exceeding 40 °C maximum or a mean daily value of 35 °C. If these values are exceeded, over-rated fuses must be used to avoid unnecessary fuse-blowing due to these temperatures.

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  • Research on the Relationship between Hot Spot Transient ...

    2018-12-16u2002·u2002In order to study the temperature rise of winding hot spot when the oil-immersed transformer is started at different ambient temperature, the transient temperature field of transformer cold start under different temperature conditions is calculated based on the finite element simulation method. The relationship between the hot spot temperature rise and ambient temperature during the cold start ...

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  • AC High Voltage Circuit Breakers - IEEE Web Hosting

    2017-10-20u2002·u2002• ambient temperature must not exceed 40°C and the average value, measured during 24h, does not exceed 35°C; •minimum ambient temperature is not less than - 25°C according to IEC 62271-1, and - 30°C according to IEEE C37.100.1. Other values of minimum ambient temperature can be specified in

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  • Eaton Pad-mounted Transformer

    2021-9-14u2002·u2002Ambient Temperature 24 Hour Average 30 ºC 40 ºC Temperature Rise Hotspot 80 ºC 65 ºC Table 2. Three-Phase Ratings Three-Phase 50 or 60 Hz kVA Available1: 45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000, 7500, 10000 1Transformers are available in the standard ratings and configurations shown or can be ...

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  • Estimating Temperature Rise of Transformers

    2004-7-1u2002·u2002Transformers for power applications often are limited in size by an acceptable temperature rise. An acceptable temperature rise of a transformer is usually dependent on limitations of the materials used in the transformer, safety agency regulations or high-temperature reliability issues associated with other component parts close to the transformer.

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  • Gibberellic acid signaling is required for ambient ...

    Distinct molecular mechanisms integrate changes in ambient temperature into the genetic pathways that govern flowering time in Arabidopsis thaliana. Temperature-dependent eviction of the histone variant H2A.Z from nucleosomes has been suggested to facilitate the expression of FT by PIF4 at elevated …

    Get Price
  • What are the regulatory Definitions for 'Ambient', 'Room ...

    2017-2-3u2002·u2002Ambient temperature: Store at the surrounding temperature. This term is not widely used due to significant variation in ambient temperatures. It means 'room temperature' or normal storage conditions, which means storage in a dry, clean, well ventilated area at room temperatures between 15° to 25°C (59°-77°F) or up to 30°C, depending on ...

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  • What is the temperature rise of a transformer?

    2020-5-14u2002·u2002Transformer temperature rise is defined as the average temperature rise of the windings above the ambient (surrounding) temperature, when the transformer is loaded at its nameplate rating. Dry-type transformers are available in three standard temperature rises: 80C, 115C, or 150C.

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  • Ambient-temperature oxidative coupling of methane in an ...

    2019-2-18u2002·u2002Ambient-temperature oxidative coupling of methane in an electric field by a cerium phosphate nanorod catalyst† Ayaka Sato, a Shuhei Ogo, * ab Keigo Kamata, * bc Yuna Takeno, a Tomohiro Yabe, a Tomokazu Yamamoto, d Syo Matsumura, d Michikazu Hara c and Yasushi Sekine a

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  • Temperature Rise Test of Transformer

    2012-2-24u2002·u2002A temperature rise test of a transformer is an important test which should be included in any type test of an oil transformer. In this test, we check whether the temperature rising limit of the transformer winding and transformer oil is as specified by the manufacturer. Temperature Rise Test for…

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  • Influence of Ambient Temperature on Transformer ...

    2012-12-12u2002·u2002Influence of Ambient Temperature on Transformer Overloading During Cold Load Pickup Abstract: This paper proposes a method to investigate the socioeconomical aspects of transformer overloading during a cold load pickup (CLPU) in residential areas. The method uses customer damage functions to estimate the cost for their power interruption and a ...

    Get Price
  • Temperature Rise and Transformer Efficiency

    2021-7-19u2002·u2002In general, more efficient transformers tend to have lower temperature rise, while less efficient units tend to have higher temperature rise. Transformer temperature rise is defined as the average temperature rise of the windings above the ambient (surrounding) temperature, when the transformer is loaded at its nameplate rating.

    Get Price
  • Electrical Transformer - Industrial Electric Transformer ...

    Manufacturer of Electrical Transformer - Industrial Electric Transformer, High Tension Transformer, 315kVA 3-Phase Oil Cooled Distribution Transformer and Three Phase Oil Cooled Transformer offered by Sunrise Transformers, Vadodara, Gujarat.

    Get Price
  • Transformer Design & Design Parameters

    2014-12-8u2002·u2002Transformer Design: Temperature limits • Oil temperature = 100/105oC • Average winding temperature( paper)= 85oC for normal paper & 95 oC for thermally upgraded paper & 125 or 145 C for nomex • Hotspot winding temperature (paper) based on daily average ambient=95oC for normal paper & 110oC for thermally upgraded paper

    Get Price
  • S11 150kva 200kva 315kva 400kva 500kva 3 Phase

    S11 150kva 200kva 315kva 400kva 500kva 3 Phase 6.6/0.4kv Oil Immersed Type Electric Power Distribution Transformers 6.6kv, Find Complete Details about S11 150kva 200kva 315kva 400kva 500kva 3 Phase 6.6/0.4kv Oil Immersed Type Electric Power Distribution Transformers 6.6kv,Power Transformer 150kva,150kva Power Transformer,6.6kv Distribution Transformer from Transformers Supplier or ...

    Get Price
  • 3-Phase Distribution Transformers 11 or 33 kV/415-240V ...

    4.1 The Distribution Transformers to be supplied against this Specification shall be suitable for satisfactory continuous operation under the following climatic conditions as per IS 2026 (Part - I). i) Location : At various locations in the country ii) Maximum ambient air temperature (0C) : 50

    Get Price
  • 11/0.4kv 315kVA Power Supply Oil Immersed Distribution ...

    Highest annual average temperature 20ºC,lowest outdoor temperature -25ºC Transformers special service condition The height above sea level is above 1000m; Ambient temperature: Highest temperature 40ºC.lowest temperature -45ºC(defines in detail when placing an order) Tech data of 10KV S9,S9-M series distribution transformer

    Get Price
  • Indoor distribution transformers oil temperature ...

    insulation life, the hotspot temperature of the transformer should be obtained, which needs accurate information about oil temperature. As a result, the first and foremost step is to obtain the temperature of the transformer oil. Due to the numerous numbers of indoor distribution transformers, as well as the cost of using conventional

    Get Price
  • Transformer hot spot temperature prediction based on

    2021-1-1u2002·u2002The ambient oil temperature (T oil,amb) of the windings is available, i.e. it is measured during operation (cp. Fig. 14). It is used as boundary condition to approximate the windings temperature, i.e. copper layers temperature. Now, the radial temperature distribution for the different winding layers is …

    Get Price
  • Gibberellic acid signaling is required for ambient ...

    Distinct molecular mechanisms integrate changes in ambient temperature into the genetic pathways that govern flowering time in Arabidopsis thaliana. Temperature-dependent eviction of the histone variant H2A.Z from nucleosomes has been suggested to facilitate the expression of FT by PIF4 at elevated …

    Get Price
  • Substation distribution transformers

    2021-9-15u2002·u2002Substation distribution transformers have cover-mounted, primary and secondary bushings and can be provided with load tap changers (LTC). They are generally connected directly to overhead utility power lines. Unit substation distribution transformers are generally close coupled to switchgear, motor control, bus duct, or another type of incoming ...

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  • PREPARATION OF TRANSFORMER SPECIFICATIONS

    2016-3-22u2002·u2002a transformer consists of a volt-ampere output together with any other characteristics, such as voltage, current, frequency, power factor, and temperature rise, assigned to it by the manufacturer. It is regarded as a rating associated with an output that can be taken from the transformer conditions and limitations of established standards'.

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  • FIST 3-30 TRANSFORMER MAINTENANCE - usbr.gov

    2021-4-1u2002·u2002the transformer rating will cut transformer life by 50%. Heat is caused by internal losses due to loading, high ambient temperature, and solar radiation. It is important to underxad stand how your particular transformers are cooled and how to detect problems in the cooling systems.

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  • Clare Distribution - Temperature Controlled Distribution ...

    2021-9-13u2002·u2002Clare Distribution specialise in the distribution of temperature controlled products delivering chilled, frozen and ambient produce throughout Ireland. 01 403 2727. [email protected] Facebook Instagram Linkedin. 01 403 2727. [email protected] Online Booking.

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  • Welcome : Voltech Group Official Website : Excellence in ...

    2021-2-23u2002·u2002The Temperature rise in windings over ambient temperature should not exceed 50 degree and the oil should not exceed 40 degree. This implies that the current density of the conductor should be between 2 A/mm2 to 3.6A/mm2. What are the steps to be taken by customer to ensure that he is buying the correct transformer?

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  • Seasonal and regional changes in temperature projections ...

    This study explores the seasonal to inter-seasonal and regional changes in temperature (and related uncertainties) over the Arabian Peninsula, by using the multi-model ensemble from the Couple Models Intercomparison Project Phase 5 (CMIP5), under two Representative Concentration Pathway (RCP) scenarios: RCP4.5 and RCP8.5. The seasonal temperature changes are examined for three future …

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  • Temperature distribution in a blocked tunnel with one ...

    2021-3-1u2002·u2002Thereafter, the effects of width-blockage ratio β 1 and height-blockage ratio β 2 on the smoke movement and temperature distribution in a tunnel with one closed portal was discussed, respectively. The downstream direction of fire source was divided into two regions. The region between the fire source and the end of blockage was defined as Region 1, and the region between the end of blockage ...

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  • Completely Self Protected Transformer - Rockwill Electric ...

    (2) Ambient temperature: Max. temperature is +40℃ and the min. temperature is -25℃ (3) Outdoor wind speed shall not exceed 35m/s (4) Pollution grade: Class II (5) Earthquake horizontal acceleration is not greater than 3m/s2, the vertical acceleration is not greater than 1.5m s2, and the safety factor is …

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  • Plant distribution and the temperature coefficient of ...

    The spatial distribution of a plant species is limited by the range of climatic conditions to which the species can adapt. Temperature is one of the most significant determinants of plant distribution, but except for the effects of lethal limits, little is known about physiological changes in responses to differences in environmental temperature.

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  • Ambient air temperature sensor, Environmental

    Temperature: -100 °C - 400 °C. Kimo's TM 110 has a temperature range from 0 to 50C (ambient model), from -20 to +80°C (duct, air tight and piping contact models) and from -100 to 400°C (model with Pt100 terminal block). Measuring ...

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  • Clare Distribution - Temperature Controlled Distribution ...

    2021-9-13u2002·u2002Clare Distribution specialise in the distribution of temperature controlled products delivering chilled, frozen and ambient produce throughout Ireland. 01 403 2727. [email protected] Facebook Instagram Linkedin. 01 403 2727. [email protected]UTION.COM. Online Booking.

    Get Price
  • IS 1180-2 (1989): Outdoor type three-phase distribution ...

    2018-11-15u2002·u2002temperature of 45°C. Alternatively the tank may be sealed at any other temperature and free-oil level adjusted to meet the requirement of 9.2.2. 9.3 The transformer cover and frame shall be such that it is possible to remove the weld and reweld twice. 10 TRANSFORMER OIL 10.1 The transformer oil shall comply with the requirements of IS 335 : 1983.

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  • Transformer Ratings

    This value is usually based on an ambient temperature of 40°C. As an example, a 150°C rise dry transformer will operate at an average winding temperature of 190°C when at full-rated load in a 40°C ambient environment. Although the resultant temperature rise is averaged over the whole winding, the inside of a winding is hotter than is its ...

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  • Development of a hot-spot temperature calculation

    2017-9-13u2002·u2002Transformers are one of the most important and high-cost components in energy transmission with an approximately 30 years expected lifetime. Because of this reason, their absence according to a fault may cause blackouts and extreme financial losses. Besides, faults which may occur in the active part which includes the core and the windings of a transformer can only be repaired in the ...

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  • Fiber Optic Temperature Sensors

    2021-4-27u2002·u2002OSENSA Innovations develops and manufactures fiber optic temperature sensor products for industrial applications including power transformers, switchgear, generators, semiconductor, and MRI equipment. Fiber optic temperature sensors are solutions consisting of one or more fiber optic probes attached to a temperature transmitter (also known as ...

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  • Transport route profiling qualification

    constant ambient temperature of -20.0°C8. Warm water-pack: A water-pack typically stabilized at room temperature, up to a recommended maximum of +24.0°C. Warm-packs are used for the transport of freeze-sensitive vaccines when the ambient temperature is below 0.0°C9.

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  • Calculating for KVA in Single and Three Phase

    2018-4-2u2002·u2002Transformer sizes are dictated by their respective KVA rating. Using common variables, one can compute for the required KVA rating or transformer size for a particular project, system or operation. This article provides basic formulas for finding the correct size of single and three-phase transformers using load voltage and load current.

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  • Design and Planning - Distribution Network Operator

    2015-5-16u2002·u20025.12 In town centres and shopping areas, distribution substations shall be ring connected i.e. by the installation of ring main unit switchgear within the radial network. 5.13 All new substations to be situated further than 100 metres from an existing 11kV/6.6kV ring shall be ringed where this is a requirement of P 2/6 or the five

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  • High and low ambient temperature at night and the ...

    2020-12-2u2002·u2002We found that a non-linear, U-shaped relationship between nighttime temperature and hypnotic medication prescription. With an increase per 1°C temperature or an increase in a square per 1°C, the prescription dose of sleeping pills was significantly increased (both p < 0.05). At each 5°C nighttime temperature, subjects belonging to low (≤0°C and 0–5°C) or high (20–25°C and ≥25°C ...

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  • Pad-mounted distribution transformers

    2021-9-14u2002·u2002ANSI/IEC standards. Hitachi ABB Power Grids' pad-mounted transformers are mounted on the ground to service underground distribution networks. These transformers typically serve urban and rural residential, commercial and industrial loads. They offer the maximum amount of tamper resistance in the lowest profile design.

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  • Particulate Organic Carbon Composition in Temperature ...

    temperature fronts of the Arabian Sea † Autotrophic production is predominant in temperature fronts of the coastal Arabian Sea † Age and region of the front and initial conditions determine the major sources of particulate organic carbon in temperature fronts Correspondence to: M. S. Krishna, [email protected] Citation: Krishna,M.S.,Mukherjee ...

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  • Calculating for KVA in Single and Three Phase Transformers ...

    2018-4-2u2002·u2002Transformer sizes are dictated by their respective KVA rating. Using common variables, one can compute for the required KVA rating or transformer size for a particular project, system or operation. This article provides basic formulas for finding the correct size of single and three-phase transformers using load voltage and load current.

    Get Price
  • RESIBLOC transformers - Hitachi ABB Power Grids

    2021-9-16u2002·u2002RESIBLOC® transformers are non-explosive with high resistance to flame and do not require vaults, containment dikes, or costly fire suppression systems. RESIBLOC® transformers are produced in full compliance with DIN EN ISO 9001, DIN EN ISO 14001 and BS OHSAS 18001 standards. The material Resin is a material of immense strength.

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  • Transformer Inrush Current

    2021-9-14u2002·u2002A transformer draws inrush current that can exceed saturation current at power up. The Inrush Current affects the magnetic property of the core. This happens even if the transformer has no load with its secondary open. The magnitude of the inrush current depends on the point on the AC wave the transformer is switched on.

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  • S9 S11 Three Phase Two-winding Distribution Power Transformer

    2021-6-28u2002·u2002S9 S11 Three Phase Two-winding Distribution Power Transformer, find complete details about S9 S11 Three Phase Two-winding Distribution Power Transformer from HUANGHUA GROUP CO., LTD. supplier or manufacturer on Equipmentimes.com.

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  • Ambient Temperature Definition in Weather

    2019-8-8u2002·u2002Ambient temperature can provide a general idea of whether you will need a jacket or a sleeveless top, but it does not provide much information about how the weather will feel to an actual human being as she steps outside. That's because the ambient temperature doesn't take into account the relative humidity of the air or the impact of the wind ...

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  • Electrical Transformer in Bhubaneswar, Odisha

    Business listings of Electrical Transformer, Electric Transformer manufacturers, suppliers and exporters in Bhubaneswar, Odisha along with their contact details & address. Find here Electrical Transformer, Electric Transformer, suppliers, manufacturers, wholesalers, traders with Electrical Transformer prices for buying.

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  • Distribution Transformer in Allahabad, डिस्ट्रीब्यूशन ...

    Our range of Distribution Transformers is the preferred choice of many customers around the world. It is due to our technically sound design, usage of best raw material and our strict quality control that our Distribution Transformers have earned a name for themselves with various Industrial Houses, Real Estate companies, Educational Institutes, Hospitals and various other customers.

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  • Soil microbial respiration adapts to ambient temperature ...

    2019-1-14u2002·u2002Heterotrophic soil microbial respiration—one of the main processes of carbon loss from the soil to the atmosphere—is sensitive to temperature in the …

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