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土壤调查

与 土壤调查 相关的网络例句 [注:此内容来源于网络,仅供参考]

Based on an investigation of a certain waterhead region for pollution of organic chemicals, like oils and benzene, heath risk assessment of drinking water in the region was performed using the MMSOILS model, a multimedia exposure assessment model, with Benzene as a target contaminant.

以某水源地油和苯等有机污染调查为依据,利用多介质暴露评价模型,以苯为评价的目标污染物,分析烯烃厂不同分区的土壤苯污染对A地区造成的饮用地下水健康风险。

The soil protozoa of coniferous-broad leavedmixed forest of Changbai Mountain is relatively abund-ant 89 species,(10 flagellates,15 amoebaes,42 testaate amoebaes and 22 ciliates)had been observed duringinvestigation.

长白山针阔混交林土壤原生动物比较丰富,调查期间共观察到89种,其中鞭毛虫10种,变形虫15种,壳变形虫42种,纤毛毛虫22种。

Ingredients of vegetation in the tested plots, soil nutrition and soil profiles constitution were examined during pigeonpea podding stage each year in the tested agroforestry systems.

在中国云南省怒江流域设计升营造木豆与不同树种的混交生态林,每年木豆结荚期样地调查各树种的生长量(株高、地径、冠幅、一级分杖等)、木豆产量、植被变化情况、土壤剖面(造林2年后进行,并设对照剖面)。

A successional Artemisia ordosica and A. frigid community, located on the eastern edge of the Tengri Desert in Alashan Left Banner, Inner Mongolia, was selected as an object for study. Densities of the plants and total nitrogen and available phosphorus in 0~20 cm soil layer were measured of the 400 quadrates (4m×4m) in the sampling plot (80m×80 m) for analysis of relationship between N/P ratio in the soil and plant density thereupon and between the two in spatial heterogeneity.

选择腾格里沙漠东缘内蒙古阿拉善左旗境内的油蒿+冷蒿群落为研究对象,在80m×80m样地400个4m×4m样方中,调查了油蒿和冷蒿的密度,测定了0~20cm土层中的全氮和有效磷,分析了土壤氮/磷比与植物密度之间及其空间异质性之间的关系。

Four 30 m×5 m transects with a distance of 0, 10, 20, and 30 m from the both sides of a 6-m-ide winding mountain road ere installed to conduct vegetation investigation and soil analysis.

以鼎湖山一条6m宽的盘山公路两旁的群落为研究对象,离道路两侧0、10、20和30m等不同距离处设置30m×5m样带,进行植被调查,并对样带内的土壤进行理化性质分析。

Six field measurement sections with dozens kilometers were performed with a real-time radon gauge and a air radon gauge , financed by Chinese Geological Survey. The results show that the Radon concentration is 6.7 Bq/L in field soil and 16.7 Bq/m3 in the air .

在中国地质调查局&四川成都经济区域城市生态地球化学评价&项目的成都市地空界面氡浓度的调查与评价实践中,进行了大量的实验和野外测量,结果表明成都市原野壤中氡浓度水平平均值为6.7Bq/L,空气中平均氡浓度为16.7 Bq/m~3,土壤中氡浓度整体是西部和东部偏高。

Based on the field surveys on a wide scale, the systematic studies were made on soil acid properties, particle fractions, exchangeable performances, saturated base, free feeric properties, clay chemical components, clay mineral types and their properties of genesis.

在大量野外调查的基础上,系统地研究了土壤的酸性特征、颗粒组成、交换性能、盐基饱和度、铁的游离度、粘粒化学组成及粘土矿物类型等发生学性质。

In this experiment carried out in 1998 when the Three Gorges Project was about to start, soil faunae in different habitats and at different altitudes were investigated in the Three Gorges Reservoir Region, including Zigui County, Wanxian County and Shennongjia region.

于长江三峡大坝工程开工前的1998年,对三峡库区几个地点不同海拔和生境下的土壤动物群落进行了调查研究。

From May to October 1993, an on-the-spot research of soil gastropods was carried out in the Changbai Mountain Forestry Research Stations, Jilin.

自 1 993年 5月至 1 0月对吉林长白山森林生态系统定位站的土壤腹足类进行了多样性调查。

4 herbicides were used in the soil treatment of Angelica gigas after sowing. The control effect of herbicides and the safety of Angelica gigas were investigated.

方法]2007年用43%豆亿EC等4种除草剂对红花进行了播后苗前土壤处理,对各类杂草除草效果和红花的安全性调查。

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