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mulching film
相关语句
  地膜
     Production Processing and Application Technology of Carbon Black Masterbatch for Colouring of LLDPE Mulching Film
     LLDPE地膜着色碳黑母粒制造技术与加工应用
短句来源
     The controllable degradable mulching film of 0.005mm thickness was blow-extruded by the matrix material of LDPE, LLDPE and HDPE and the concentrated master batch which was composed of the light degradable system of light sensitizer,light and oxygen stabilizer and the biodegradable system contained by various chemical substances of N,P,K etc.
     采用LDPE、LLDPE、HDPE等作为基础原料,并添加含有光敏剂、光氧稳定剂等组成的光降解体系和含有N、P、K等多种化学物质作为生物降解体系的浓缩母料,经挤出吹塑制成厚度为0.005mm的可控降解地膜
短句来源
     The influences of ferric dialkyl dithiocarbamatc (FeDRC) composite additive on the mechanical properties, carbonyl index, viscosity-average molecular weight of LDPE mulching film were studied.
     研究了二烷基二硫代氨基甲酸铁(FeDRC)复合添加剂对LDPE地膜力学性能、羰基指数和粘均分子量的影响。
短句来源
     Analysison Controlling Weed in Cotton Field Covered by Mulching Film with 48% Trifluralin EC in Xinjiang
     48%氟乐灵EC防除新疆地膜棉田杂草效果研究
短句来源
     Study Status on Degradable Mulching Film
     可降解地膜材料研究现状与进展
短句来源
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  地膜覆盖
     Effect of Mulching Film to Fruits and Shoot Growth in Grape
     地膜覆盖对鲜食葡萄果实及新梢生长发育的影响
短句来源
     Therefore, it is a feasible technique to utilize the liquid mulching film in cotton field.
     表明液体地膜覆盖棉田对土壤环境无不良影响,利用液体地膜覆盖棉田是一项可行的技术。
短句来源
     Through compared use the mulching film,GGR slurry dips roots and preemergence anticoaghlant,the better afforestation technology to adapt in the Huangyuan county semi-drought area were explored,the afforestation survival percentage were enhancemented effectively,it has provided the scientific basis to advance forestry ecology construction.
     本文通过地膜覆盖,应用GGR泥浆蘸根、抗旱保水剂及相互结合处理技术造林的试验对比,探索出了一条适应于湟源县浅山地区最佳造林技术,为有效提高造林存活率,促进林业生态建设,提供了科学依据。
短句来源
  “mulching film”译为未确定词的双语例句
     the ratios of evapo-transpiration to evaporation in irrigation without mulching film and flood irrigation, were 1.53∶1 and (0.92)∶1, respectively.
     无膜滴灌和漫灌条件下蒸腾量与蒸发量之比分别为1.53∶1,0.92∶1。
短句来源
     1.The two-cropping silage maize system with mulching film had higher 10.3% in dry matter, 12% in energy production, 12.5% in radiation light energy efficiency, 22.5% in temperature resources and 36.3% in water production efficiency than that of winter wheat-summer maize, which was traditional system.
     1、建立了双季青贮玉米资源高效、经济高效的新型种植模式。 与冬小麦—夏玉米模式相比,其全年干物质生产率提高10.3%、能量提高12%,总辐射利用效率提高12.5%,热量资源生产效率提高22.5%,水分生产效率增加36.3%。
短句来源
     Analysis on Rural Households' Adoption Behavior of Dropping Irrigation Technology under Mulching Film
     农户采纳膜下滴灌技术行为分析
短句来源
     The regression analysis of water consumption of greenhouse pepper and the water surface evaporation revealed that even in different irrigation modes did the water consuming models of greenhouse pepper using water surface evaporation as its reference had very good correlativity, especially in irrigation without mulching film in which the correlation coefficient was 0.834.
     通过对温室青椒耗水量与水面蒸发量进行回归分析,得出不同条件下以水面蒸发量为参数的青椒耗水模型,其中无膜滴灌情况下相关性最好,相关系数为0.834。
短句来源
     Dynamic patterns of soil temperature in the drip irrigation underneath mulching film
     膜下滴灌棉花土壤温度的动态变化规律
短句来源
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  mulching film
It was found that such films, when used as mulching film in agriculture, have a very interesting thermal response allowing temperatures inside the soil of 40-50°C, comparable to well known non biodegradable mulching films.
      


An experiment using 3 kinds of polyethylene mulching films was conducted on the HangZhou S. B. E Farm in 1981 to expore their effects on the growth and yield of sand pear ( Pyrus Pyrifolia Nakai ) CV. Huang-Mi. Results of the experiment showed that all mulchings markedy improved the microclimate of the orchard by increasing the soil temperature and the soil heat capacity and by reducing the fluctuation of soil moisture in different seasons. In the mean time, absorption ability, leaf quality and photosynthetic...

An experiment using 3 kinds of polyethylene mulching films was conducted on the HangZhou S. B. E Farm in 1981 to expore their effects on the growth and yield of sand pear ( Pyrus Pyrifolia Nakai ) CV. Huang-Mi. Results of the experiment showed that all mulchings markedy improved the microclimate of the orchard by increasing the soil temperature and the soil heat capacity and by reducing the fluctuation of soil moisture in different seasons. In the mean time, absorption ability, leaf quality and photosynthetic rate were raised and yield was increased significantly.Among the three kinds of polyethylene mulching materials used the green and transparent films showed better overall performanc than the black film.

为探明各种地膜覆盖对果园小气候的效应和对梨树的增产效果,笔者在杭州市种猪场试验场长明梨园进行了试验。结果表明:三种颜色的地膜覆盖均能显著改善梨园小气候,起到增温,平衡土壤水分,提高土壤热量水平的作用;同时,使得根量大大增加,吸收能力增强,比叶重提高,光合效能得到改善,增产效果明显。结果还表明:三种膜以绿膜、无色膜为好,黑膜次之。

This paper reports the analysis of LDPE/LLDPE blend mulching filmsamples with known and unknown composition and the identification of u-nknown samples by means of DSC(Differential Scanning Calorimetry), and also discusses the relationships between composition of samples and me-lting enthalpy,peak in their DSC thermograms,and gives the working cu-rve for estimating the composition.Experimental results show that DSC isa rapid,effective and accurate method for analyzing main component ofLDPE/LLDPE blend mulching...

This paper reports the analysis of LDPE/LLDPE blend mulching filmsamples with known and unknown composition and the identification of u-nknown samples by means of DSC(Differential Scanning Calorimetry), and also discusses the relationships between composition of samples and me-lting enthalpy,peak in their DSC thermograms,and gives the working cu-rve for estimating the composition.Experimental results show that DSC isa rapid,effective and accurate method for analyzing main component ofLDPE/LLDPE blend mulching films.

用差示扫描量热法(Differential Scanning Calorimetry 简称 DSC)对参加1989年全国质量分级评比的122个未知组分含量的地膜样品与已知组分含量的LDPE/LLDPE 地膜标样进行了分析对比,对未知样品进行了鉴别,并讨论了样品组成与其 DSC 谱图中熔融峰和熔融焓之间的关系,给出了估算组分含量的工作曲线。实验结果表明,DSC 技术对于定性和半定量分析 LDPE/LLDPE 共混地膜的主要组分是一种快速、有效、准确的手段。

The manufacture of silver grey mulching film by the slurry process is discussed. Because of the light reflection of the silvery film produced by addition of aluminium powder, the aphis pest can be prevented, and significant effect on promoting the growth of produce of crops.

重点叙述了采用浆料法制备银灰色地膜的方法。实验改进了物料配方,筛选了铝粉颜料,选择分散剂、助剂及拌合料等工艺参数.由于铝粉的加入而使该膜具有银色反光作用.利于农作物的避蚜防病,对促进植物生长及增产有显著效果。

 
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