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properties of soil相关的网络例句

查询词典 properties of soil

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

The change of remaining litter weight was the largest in the earlier 30 days during 60-day litter decomposition, and there was no significant difference in subsequent 30 days. The phenolic acid content of litter was significantly reduced with the decomposition time prolonging, and the releasing quantity of phenolic acid was the highest at the tenth day. The amounts of soil Aerobic azotobacter, Ammonifier and Aerobic cellulose-decomposer and the soil chemical properties such as pH, phenolic acid content, NH+4-N and available phosphorus were significantly affected by the litter aqueous extract of four decomposition stages.

凋落物分解的60d中,凋落物残留量在前30d内变化最大,30d后无显著变化;凋落物中酚酸含量随分解时间的延长,呈显著降低的趋势,且在分解10d时,酚酸释放量最大。4个分解动态的凋落物浸提液显著地改变了土壤好气性自生固氮菌、氨化细菌、好气性纤维素分解菌的数量和土壤pH值、酚酸含量、铵态氮、有效磷等化学性质。

The phenolic acid content of litter was significantly reduced with the decomposition time prolonging, and the releasing quantity of phenolic acid was the highest at the tenth day. The amounts of soil Aerobic azotobacter, Ammonifier and Aerobic cellulose-decomposer and the soil chemical properties such as pH, phenolic acid content, NH+4-N and available phosphorus were significantly affected by the litter aqueous extract of four decomposition stages.

凋落物分解的60 d中,凋落物残留量在前30 d内变化最大,30 d后无显著变化;凋落物中酚酸含量随分解时间的延长,呈显著降低的趋势,且在分解10 d时,酚酸释放量最大。4个分解动态的凋落物浸提液显著地改变了土壤好气性自生固氮菌、氨化细菌、好气性纤维素分解菌的数量和土壤pH值、酚酸含量、铵态氮、有效磷等化学性质。

The dynamic interaction between the transverse bars, the longitudinal ribs and soil are simulated by a system made up of nonlinear springs, dashpot and mass to study the deformation properties of reinforced soil.

基于土工格栅与土动力相互作用特性的研究,提出一种接触面动力计算模型:采用非线性弹簧-阻尼延迟器-质量块系统模拟土工格栅纵肋与土、横肋与土的相互作用,分别形成纵肋与土、横肋与土的刚度矩阵。

Therefore, if the soil water properties and soil water-storage was studied with traditional statistic method, we would not know the variate are dependent or independent, whether the results have spatial distributing pattern or not, even not know whether the number of sample is economical and rational or not.

因此用传统方法分析土壤水分特性和水库贮量并不清楚所得的数据是否相互独立,是否存在一定的空间分布格局,更不知道所确定的取样数量是否经济、合理。

Based on the data observed from 1989 to 1998 in Ziwuling, the change of soil erosion and soil physico-mechanical properties was studied after forestland reclamation.

在黄土高原现代侵蚀中,人为活动引起的人为加速侵蚀居于主导地位[1,2]。

In our studies,sludges composting was used as object, fluoranthene was on behalf of PAHs,and methods included dynamic sampling,room analysis,sludges' composting,leaching of soil column,and room culture were employed. The main contents include:the concentration and the distribution of PAHs in municipal sludges in Jiangsu Province,effects of composting on the concentration of PAHs in municipal sludges,the physicochemical properties of water dissolved organic matters in sludges before and after composting,effects of sludges composting and DOM on the desorption-leaching and eco-toxicity of FLT in polluted soil,and primary investigation of mechanism on same phenomena.

本论文以污泥堆肥为原料,以荧蒽(fluoranthene,FLT)为PAH的代表,采用动态取样、室内分析、污泥堆肥、土柱淋滤和室内培养等方法,系统研究了江苏城市污泥中PAHs的含量以及分布模式;堆肥对污泥中PAHs含量的影响;污泥堆肥前后水溶性有机物的理化性质特征变化;污泥堆肥对污染土壤中FLT解吸-淋滤、以及生态毒性的影响,并对有关现象进行了机理探讨。

The purpose of researching the fields of stubble is that corn stalks will be aimed at post-harvest stubble part, above ground and below-ground stubble of the main stem and crush evenly Hunban in the topsoil, To loose soil and increase soil organic matter, improve the physical properties of the soil, increase the aggregate structure function.

本课题研究的灭茬还田机,目的在于将玉米秸秆收获后的根茬部分、地面以上留茬及地面以下主茎部分粉碎并均匀地混拌在耕层中,达到疏松土壤、增加土壤有机质、改善土壤物理性质、增加团粒结构的功用。

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。

The second method is allowed for complex geological conditions (inclined occurrence of the soil layers, the presence of karsts, frozen soil lenses, and so on) and is based on the use of more complex calculation schemes which also account for the inertia properties of the soil base.

第二种方法是让复杂的地质条件(倾向发生的土层中,在场的溶洞,冻土镜片,等),以及基于使用更复杂的计算方案,其中还占惯性土壤性质的基地。

These properties include: loading function of soil body under raft plate;"dense outside and disperse inside"or "otherwise" pile distribution method ; negative resistance of soil block under raft plate and at top pile; settlement of pile raft foundation and deformation characteristics of soil mass under pile end;and application of dispersed pile raft foundation for high buildings.

主要包括:筏板底土体分担的荷载作用、&外密内疏&和&外疏内密&布桩法、带裙房桩筏基础的处理、筏板下块状整体及桩上部负摩阻力、桩筏基础沉降及其桩尖下土体的变形特性、疏桩桩筏基础在高层建筑中的推广应用等。

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