土壤的例句大全

The fertile soils fanning out across the Mississippi River floodplain are up to five times as high in arsenic as other parts of Louisiana, Mississippi and Arkansas, according to studies done by the United States Geological Survey.

据美国地质调查局（United States Geological Survey）的研究，密西西比河泛滥平原冲刷的肥沃土壤，其砷含量可高达路易斯安那、密西西比和阿肯色州其他地区的五倍。

Analysis on chemical form and content change of arsenic ( As) in contaminated soil

被污染土壤砷的化学形态与含量变化分析研究

Arsenic ( As) accumulation and volatilization by microorganism decreasing environmental risk of As in soil has been recognized as an economically efficient remediation method without secondary pollution.

利用微生物对砷（As）的累积与挥发来降低土壤中砷的环境风险已被认为是一种经济、有效且无二次污染的修复措施。

A continuous extraction method was adopted to analyze the chemical forms of arsenic ( As) in soil, and the content change of As with different forms were compared when the additives were added.

采用连续提取法对土壤中砷的化学形态进行分析研究，比较加入不同改良剂时砷的各种形态含量的变化。

In recent years, arsenic ( As) pollution of soil has become into a major public concern in many countries and the bio-remediation of As-polluted soil has become a hot research topic.

近年来，舳污染已成为全球非常突出且急需解决的环境问题之一，对赴污染土壤的生物修复也因而成为研究热点。

The relativity of soil water content in different types and roots biomass of Artemisa arenaria is remarkable.

在不同类型沙地上，沙蒿根系生物量与土壤含水量之间均相关紧密。

Heavy metal levels in soil and their effects on biological characteristics of Pirata subpiraticus ( Araneae: Lycosidae) in different habitats in Nanyang, Henan

河南南阳不同生境土壤重金属含量及其对拟水狼蛛生物学特性的影响

Studies on conversion of Apium graveolens artificial seeds in nonsterile soil and activities of POD and PAL during the differentiation of somatic embryo

旱芹直播土壤人工种子及胚状体分化过程中的POD、PAL活性变化

Regional research results were as follow: ① The antipollution capacity of the soil-groundwater system in Luanhe Delta was weak. This led that the declining quality of shallow groundwater and serious pollution.

区域研究成果如下：①研究区地下水防护性能研究与评价表明：滦河三角洲地区土壤&地下水系统防护性能较弱，导致滦河三角洲地区浅层地下水质量下降，大面积污染严重。

The number of soil microbes showed certainly correlation with the occurrence of tomato whitefly. The disease index of tomato early blight was reduce gradually as the number of bacteria and antinomies increase.

土壤微生物数量与番茄早疫病的发生有一定的关系，随着细菌和放线菌数量的增加，番茄早疫病的病情指数也相应减少。

For the combined treatment with spraying leaf and sprinkling the root, using 100 times and 200 times wood vinegar, Obvious correlation exist between the number of antinomies and fungi and the Height of tomato;

灌根处理区，木醋液100倍，土壤放线菌、真菌与番茄株高之间存在显著的相关性；

In general, the natural and anthropologic conditions in south area favored more accumulation of soil organic carbon pool than in north area.

与北部样区相比，南部样区的自然条件和人类活动情况总体上有利于土壤有机碳库的积累。

Consumption for soil nourishment during potentilla anserine growth

蕨麻生长发育过程中对土壤养分的需求规律

This These materials help keep the water in balance with the soil.

这些材料能使水和土壤保持平衡.

The weathering of bedrock produces the parent material that soils form from.

基岩风化产生的母质就是土壤形成的来源.

Study on the use of Azotobacter sp. as an index for the determination of the toxicity of heavy metals in soil

利用固氮菌为指标确定土壤重金属毒性的研究

Either enviromental factors such as intensity of light, CO2 concentration, temperature and relative moisture of soil, or interior factor such as the fruit in the axil exerted significant effects on photosynthetic rate except photosynthetic type of diurnal variation.

光照强度、CO2浓度、温度及土壤湿度等外界环境条件，以及黄瓜叶腋负载果实与否的内在因素对光合速率有明显影响，对光合速率日变化类型无影响。

Decomposition of Auriferous Ore, Rock and Soil Samples

含金矿样、岩样和土壤样的分解

Applying some bacterial fertilizer to the soil can help it absorb the nutritious matter.

适量施放细菌肥料能促进土壤对养份的吸收.

Soil moisture movement under varying-head infiltration is a basic theoretical problem of water storage pit irrigation.

变水头入渗条件下的土壤水分运动是蓄水坑灌的基本理论问题.