1) Uncovering membrane
旱地膜覆盖
2) plastic film mulching
地膜覆盖
1.
Analysis of adverse effects on maize yield decrease resulted from plastic film mulching in dryland;
地膜覆盖导致旱地玉米减产的负面影响
2.
The benefit and prospect for reuse of plastic film mulching and no-tillage technique in the semiarid region of Gansu Province;
甘肃半干旱区地膜覆盖再利用免耕技术效应与前景分析
3.
Studies on effects of plastic film mulching on soil environment of maize field;
玉米地膜覆盖的土壤环境效应
3) film mulching
地膜覆盖
1.
Study on the effect of film mulching techniques of flue-cured tobacco on the yield and quality of flue-cured tobacco;
烤烟地膜覆盖对烟叶产量及品质的影响
2.
Effects of straw mulching and film mulching on flue-cured tobacco growth and quality;
稻草覆盖和地膜覆盖对烤烟生长发育及品质的影响
3.
A field experiment was carried out on typical Ust-Sandiic Entisols soil in semi-arid area to study the effect of film mulching,nitrogen(N) application and supplementary irrigation on spring maize(Zea mays L.
以典型半干旱区干湿砂质新成土(Ust-Sandic Entisols)为供试土壤进行田间试验,研究地膜覆盖、施氮及补充灌水量对春玉米(Zea maysL。
4) plastic film mulch
地膜覆盖
1.
Effects of plastic film mulching and pre-sowing irrigation on yield formation of spring wheat;
地膜覆盖和底墒灌溉对春小麦产量形成的影响
2.
The study concerned about four cultivation modules(no mulch,straw mulch,plastic film mulch and furrow planting),three nitrogen fertilizer levels(0,120 and 240 kg N/hm2) and two wheat densities(seed rate of 180 and 225 kg/hm2).
59 kg/hm2,且主要积累在80-160 cm土层,土壤氮库不仅明显,且残留比前3年土壤剖面显著下移(前3年主要累积在100 cm),差异达显著和极显著水平;不同栽培模式和种植密度0-200 cm土层硝态氮残留累积规律及其小麦籽粒吸氮量基本相似,排序均为:地膜覆盖>常规种植>秸秆覆盖>垄沟种植;随施氮量的增加土壤硝态氮残留量也相应增加,N0处理0-200 cm土壤平均硝态氮残留量为57。
3.
According to experiment results from 2004 to 2005 in Zhangye city of Gansu province,to study the effects of plastic film mulching(including well watered treatment F(FM),light and medium water deficit treatment L(FM),M(FM)),and bare field(including well watered treatment F(B) and medium water deficit treatment M(B)).
借助于国家高科技农业“863”课题,以春小麦为供试作物,2004年和2005年在甘肃省张掖市甘州区进行了膜上灌春小麦调亏灌大田试验研究,研究了地膜覆盖(设丰水F(FM)、轻度L(FM)和中度M(FM))、露地(设丰水F(B)和中度M(B))。
5) plastic mulching
地膜覆盖
1.
Geographical change law of effects of corn plastic mulching on increasing temperature and production in Northeast China;
东北地区玉米地膜覆盖增温增产效应的地域变化规律
2.
Test on cooling and frost damage prevention of corn using plastic mulching in Northeast China;
地膜覆盖栽培防御东北玉米冷害和霜冻试验
3.
Effect of drought resistance and water save on rice by plastic mulching;
水稻地膜覆盖栽培的抗旱节水效应
6) mulching
[英][mʌltʃ] [美][mʌltʃ]
地膜覆盖
1.
Effects of Long-term Mulching and Fertilization on Total Sulphur and Available Sulphur in Brown Earth;
长期地膜覆盖及不同施肥处理对棕壤中全硫和有效硫的影响
2.
Effects of Long-term Mulching and Different Fertilization Treatments on Active Organic Carbon in Brown Earth;
长期地膜覆盖与不同施肥处理对棕壤活性有机碳的影响
3.
Effects of Long-term Mulching and Fertilization on Phosphorus in Soil and Corn;
长期地膜覆盖与施肥对土壤磷素和玉米吸磷量的影响
补充资料：电解食盐水溶液离子膜电解槽所用的膜材料之一
分子式：
CAS号：
性质：又称全氟羧酸-磺酸复合离子膜 Rf-COOH-Rf-SO3H 电解食盐水溶液离子膜电解槽所用的膜材料之一。使用时，将较薄的羧酸层面向阴极，较厚的磺酸层面向阳极，因而兼有羧酸膜和磺酸膜的优点。由于Rf-COOH层的存在，可阻挡氢氧离子返迁移到阳极室，确保了高的电流效率（96%），因Rf-SO3层的电阻低，能在高电流密度下运行，且阴极液可用盐酸中和，产品氯气中氧含量低，氢氧化钠浓度可达33%～35%。可在全氟磺酸膜上涂敷一层全氟羧酸的聚合物，或是将磺酸膜和羧酸膜进行层压，或是采用化学方法处理而制得的复合膜。现以采用化学方法处理者质量最佳。
CAS号：
性质：又称全氟羧酸-磺酸复合离子膜 Rf-COOH-Rf-SO3H 电解食盐水溶液离子膜电解槽所用的膜材料之一。使用时，将较薄的羧酸层面向阴极，较厚的磺酸层面向阳极，因而兼有羧酸膜和磺酸膜的优点。由于Rf-COOH层的存在，可阻挡氢氧离子返迁移到阳极室，确保了高的电流效率（96%），因Rf-SO3层的电阻低，能在高电流密度下运行，且阴极液可用盐酸中和，产品氯气中氧含量低，氢氧化钠浓度可达33%～35%。可在全氟磺酸膜上涂敷一层全氟羧酸的聚合物，或是将磺酸膜和羧酸膜进行层压，或是采用化学方法处理而制得的复合膜。现以采用化学方法处理者质量最佳。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条