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water and soil相关的网络例句

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与 water and soil 相关的网络例句 [注:此内容来源于网络,仅供参考]

The degradation kinetics of acetamiprid,including 20% water soluble powder and 3% emulsifiable concentrate,in cotton and soil was studied under field conditions.

应用GC-ECD测定,采用田间试验方法研究了20%啶虫脒可溶性粉剂和3%啶虫脒乳油在棉花和土壤中的残留消解动态,并对其在棉花上使用的安全性提出了建议。

We have seen that they now contaminate soil, water, and food, that they have the power to make our streams fishless and our gardens and woodlands silent andbirdless.

如我们所见,农药正在污染着土地,水和食品,它们可以使河流里的鱼死亡,也可以使花园和树林里的鸟灭绝,到处是没有生机的景象。

Any of various gram-negative, rod-shaped, mostly aerobic flagellated bacteria of the phylum Pseudomonad, commonly found in soil, water, and decaying matter and including some plant and animal pathogens.

假单胞菌任一种革兰氏阳性杆状的假单菌门雷氧鞭毛虫细菌,一般见于土壤、水、腐败物,还有一些植物和动物的病原体中

We discuss the method of emergency monitor ing in pollution accident which happened in water,air,and soil by using GC-MS,on account of emergency pollution accident happened increasedly and the appropriate analysis method hav't been provided.

鉴于国内突发污染事故的不断增多而相应监测方法尚未完善的当前状况,为充分发挥气相色谱-质谱联用在定性、定量中的优势,在讨论气相色谱-质谱联用在水体、大气、土壤三类有机污染事故中的应急监测方法,并针对不同的污染物情况提出了相关的前处理方法、条件程序。

The research aim is to make certain relatively class and area of jinan karstic aquifer to the pollution of human being activity, to provide technical sustain to the protection of the karstic water resources, soil and resources exploritation in reason and layout of city construction.

本次研究的主要目的就是通过评价,确定济南泉域含水层容易受到人类活动污染的相对级别及范围,为济南泉域岩溶水资源的保护、国土资源的合理开发与城市建设的规划提供技术上的支持。

CO〓 and soil water affected aphid population indirectly through the direct effects on the wheat characteristics. The population increase was due to both high adult fecundity and shortened nymphal period.

3在700ppm范围内CO〓对禾谷缢管蚜的直接影响很小,CO〓和土壤水分对禾谷缢管蚜种群的影响主要来源于间接影响,即通过影响小麦的理化性质进而影响蚜虫的个体行为和种群大小。

High phytic acid content in manure results in elevated phosphorus levels in soil and water and accompanying environmental concerns.

本文就转基因植物植酸酶的优势、研究现状、存在的问题及其发展前景进行了综述。

Due to the forest litter layer is thicker than the grassland, its soil structure is looser and has higher water and organic matter content in the solum. In addition, the rhizomatic growth of forest community vertical structure has obvious differences on the herbosa in the pore size distribution and the infiltration rate.

由於林地较草地的枯枝落叶层为厚,使其土壤结构较松散,并会增加表层土壤水分保持及有机质含量,再者,森林及林下植物相较於草类根系的生长及分布情况,对於不同土壤深度之大小孔隙的比率及水分入渗速率具有明显的差异。

Russula Subnigricans Hongo was studied with light microscopy and scanning electron microscopy techniques.The result showed that Russula Subnigricans Hongo is a kind of ecotomycorrhizal fungi, Russula Subnigricans Hongo emerged and developed in the relatively steady ecological environment where average temperature,humidity and soil water content were 24 ~ 32 , 50 ~ 80% and 30% respectively.

亚稀褶黑菇是一种外生菌根菌,在相对稳定的生态环境条件下,平均温度24~32℃,相对湿度50~80%,降雨量30%以上,均有亚稀褶黑菇发生,湿度是主导因子。

This study analyze the impact on tiller and yield of Sabaigrass under different density, cultivating annual, soil water and fertilization, which would provide scientific basis for big area artificial cultivating.

本研究从栽培生态的角度,分析了不同的栽培密度与年度、肥料运筹和土壤水分等栽培生态因素对龙须草分蘖等生长性能和产量形成的影响,为龙须草大面积的人工栽培提供理论依据。

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