土壤的例句大全

The effect of leaf fall decomposition for 8 tree species on soil microorganisms was studied.

研究了8个树种凋落叶分解对土壤微生物数量和组成的影响.

There are three main types synthetic soil conditioner available, derived from petroleum chemicals, the Tertiary period minerals and organic materials.

人工合成土壤结构改良剂可分为石油化工产品、第三纪矿物产品以及无机物与有机物相结合产品共三类。

Microwave remote sensing is the most effective technique for soil moisture estimation.

微波遥感被认为是当前土壤水分监测中最有效的方法.

Preliminary Investigation on the Resources of Soil Animals in the Farm of Xinjiang University

新疆大学农场资源土壤动物调查初报

Study on the Distribution of Vegetation and Soil in Ulan Buh Desert Wetlands

乌兰布和沙漠湿地植被与土壤分布规律研究

Research on the Bacteriostatic Action of the Moulds in Special Soil

特殊土壤中霉菌抑菌作用的研究

There is a big stray current under the high voltage wires with a electric potential gradient of 1.3~ 1.5mV/m.

通过现场布点测试发现该区域土壤具有较强的腐蚀性，高压线附近存在强杂散电流，电位梯度为1.30～15.00mV/m；

Because when plant exudated chemicals to environment, root is more directly contact with soil, water and received plant such as barnyardgrass ( BYG), the changes of root protein would be more sensitive.

鉴于植物体在释放化学物质中，供体根系与土壤，水分，受体植物如稗草等接触较为直接，其蛋白质变化更敏感，据此实验以供体水稻根系为主要研究对象。

Erosion Amount of Bahe River Valley in Xi'an Region

西安地区灞河河谷土壤侵蚀量研究

The widely accepted Bagnold type function to calculate threshold wind velocity or shear velocity was developed for dry sands.

在土壤风蚀研究中，Bagnold建立的干沙子的起动风速与沙粒粒径关系的表达式已被广泛接受。

The heavy metals in Plants was significantly related with their bioavailable speciation in root zone soils. 5.

植物重金属含量与根区土壤中重金属水溶态+交换态含量极显著相关。

Tough sheaths push through the earth and do the backwork needed for the emergence, but the buds which then emerge in clusters are silken and delicate.

坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作，但是随后出现在叶丛中的花蕾光润而娇嫩。

The crops applied with N fertilizer absorbed less soil N than those applied with nothing, showing negative ANI.

试验中施氮作物较不施氮作物少吸收土壤氮，呈现负的ANI。

The leaf wax of N. affinis ( Rendle) Keng f. was rarely affected by soil contribution in buried conditions, so it can reflect the early diagenetic effects on leaf wax compositions and their n-alkanes carbon isotopic compositions under buried conditions.

慈竹叶蜡在埋藏条件下很少受土壤污染，能比较客观的反映叶蜡各成分及正构烷烃同位素组成在埋藏条件下的早期成岩效应。

Saline and soil character were the main factors that influenced the AMF infection of mangrove.

海水和土壤质地是影响菌根侵染率的主要因素.

Note: The method for analyzing soil nutrient content was provided by ASI.

注: 土壤养分含量测试方法由ASI提供.

Through experiments have found that: when the concentration of heavy metals in the soil is 0.5 percentages, it fits the half lethal dose.

通过实验发现：当土壤中重金属的含量为0.5%时，最符合蚯蚓的半数致死量。

RESULTS: No lethal effect of 1,8-dihydroxyanthraquinone was observed even at the highest concentration ( 1.0 g/ kg soil) of exposure. The sub-lethal effect, however, was evident at all the concentration scale.

结果：最高剂量的污染土壤（1.0g/kg）对蚯蚓也无致死作用，但在所有剂量范围内，以相对生长速率和蛋白含量为指标的亚致死效应明显。

The total area of NingXia municipality is 5. 18 × 104km2. Based on TM data of 1997 and 1998 and investigation, the explanation signs on remote sensing were studied.

宁夏回族自治区总面积5.18万km2。以1997年、1998年的TM数据为信息源，结合实地验证，建立了风蚀区土壤侵蚀强度分级遥感解译标志。

All the water retained in a soil is not equally available to plants.

保留在土壤中的全部水分对植物的有效性是不一致的.