• The infrared-transmitting (IRT) mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.

    红外线透性薄膜黑色薄膜那种控制杂草特性增加土壤温度方面介于黑色透明薄膜之间

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  • The choice of plan with the foundation of equipment in complex soil, The count & control with the crevice for temperature of bib concrete are also discussed.

    原有厂房内、复杂场地土机床基础的支护方案选择,大型机井的设计施工,大体积混凝土温度裂缝控制计算进行的阐述。

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  • During the construction process, keeping abreast of the safety status of the frozen soil curtain by temperature field monitoring and analyzing is one of the important measures for risk control.

    施工过程中,通过温度监测分析掌握冻土帷幕安全状态风险控制重要手段之一

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  • The experiment results showed that the daily maximum and daily mean value of soil temperature were decreased, the daily minimum of soil temperature was increased in comparison with control.

    实验结果表明,有机物覆盖使土壤最高温度平均温度降低,但却使土壤最低温度得以提高

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  • In control condition of the growth chamber analyzing the influence of inoculum density, soil water matric potential and soil temperature on mortality of pepper caused by p.

    生长箱内控制条件分析测定接种密度土壤水分基质土壤温度对辣椒疫病死苗率的影响

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  • Throughout the growing season, low Rn and air temperature surpressed stand transpiration during spring. Such control of Rn persisted into summer when sufficient soil water was availiable.

    整个生长来看,春季林分蒸腾主要受太阳净辐射大气温度抑制,在夏季土壤水分充足时,太阳净辐射仍控制沙地杨树人工林的蒸腾活动主要因子。

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  • The automatic control system, which is composed of alarm system, switching soil moisture sensor and switching temperature sensor, makes joint control with the manual control system.

    手动控制系统报警系统、开关土壤水分传感器、开关式温度传感器构成自动控制系统共同参与控制; 并且可以提供故障报警信号。

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  • The annual variation of soil temperature under mulching changed more smoothly than that of the control (CK), so the differences among the soil layers were small.

    覆盖处理后土壤温度变化对照平稳,其土层温度日较差较小

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  • The control method of the ground freezing effect to the surrounding soil is also discussed in the paper. At the same time, the distribution and variation law of temperature, stress and...

    同时,现场实测所得温度应力、位移场分布变化规律,对于今后冻结工程具有重要指导意义。

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  • The control method of the ground freezing effect to the surrounding soil is also discussed in the paper. At the same time, the distribution and variation law of temperature, stress and...

    同时,现场实测所得温度应力、位移场分布变化规律,对于今后冻结工程具有重要指导意义。

    youdao

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