查询词典 soil

Considering the bounding surface plasticity constitutive model of soil, the program, named as WSDP, is coded to analyse the dynamic elastoplastic responses of two-dimensional soil layer.

讨论土体本构关系、土层应力历史状态、人工边界的设置以及为消除人工边界高频振荡而采用的黏性阻尼等因素对土层动力反应的影响。

The machine is completely mounted with tractor, during operation, the discs by its rotating to turn the soil, particularly, it is suitable for operation on the field with grasses, straw and stems of crops or plants, big soil resistance and with many stones and brickbat, etc.

圆盘犁是与拖拉机三点悬挂连接配套，作业时犁片旋转运动，对土壤进行耕翻作业，特别适用于杂草丛生，茎杆直立，土壤比阻较大，土壤中有砖石碎块等复杂农田的耕翻作业。

There were four treatments on the hillside: artificial forest with underbrush, artificial forest without underbrush, planting tea bush on contour terrace, barren on contour terrace. The runoff depth, runoff index, water loss, soil erosion and soil organic matter erosion to the 4 treatments during 4 rainfalls were determined by using the Runoff Collector.

试验设计了人工林下地表覆盖、人工林下地表裸露、等高梯田种植茶树和等高梯田裸地对照4个处理，采用自制的径流收集器分别测定了各处理4场降雨的径流深度、径流系数、水土流失量和侵蚀量等指标。

The infrared remote controller is a cheap, small, simple, reliable and effective product. It can effectively resist electromagnetic interference and ensure safe operation of the system. Using remote technology can reduce manipulative difficulty during soil bin testing and realize single operation of the whole system. Practical application many times demonstrated that the infrared remote controller can work reliably and improve work efficiency considerably.Besides control the movement of tester, the soil bin tester driving control system can adjust the tester speed by rule and line, which was impossible to former test equipments. The range can be adjusted from -1.45m/s to 1.45m/s, the positive and minus sign denotes the direction of tester running.

土槽台车动力控制系统的控制参数均通过人机交互界面输入；系统能够实现对台车行驶速度、位移和时间的实时采集、显示和存储功能，并设有对数据库的操作功能，方便试验人员对数据的查询、修改、删除和保存；试验过程中系统为试验人员提供了台车速度曲线，并能实时动态显示，用来监测台车的运行状况；为了确保试验过程中试验设备和人员的安全，系统增加了控制台车行驶位移和时间的功能；系统使用的防脉冲干扰平均值法处理采集的数据，剔除奇异项，减少了干扰在有用信号中的比重，并能直接显示出所采集数据的均值和方差，节省了处理数据所需的大量时间，提高了工作效率。

According to the batch experiments on behavior of yellow soil releasing cadmium at conditions with different acid rain, it found that the process of releasing absorbed cadmium in the soil consisted of a fast reaction and a slow reaction.

对不同酸雨条件下黄壤对镉释放的研究发现，吸附态镉释放的过程可以分为快反应和慢反应两个阶段。

L Calcareous soil - Alkaline soil with high levels of calcium and Magnesium carbonate.

l 石灰性土-含有大量碳酸镁和钙质的碱性土壤。

For raising the precision of solving infiltration in unsaturated soil, by reviewing advantage, and disadvages of existing methods, based on the transformation of Richards equation, a finite calculus of differences by advancing front self-adaptive grid for solving infiltration in unsaturated soil is built.

为提高非饱和土壤渗透求解的精度，综合考察现存方法的优缺点，通过理论研究，基于Richards方程变换，建立了非饱和土壤渗透求解的向前探索自适应网格有限差分法。

Considering the characteristic of dynamic consolidation in soft soil, L'place transformation is carried out on the basis of relaxed resolution problem of dynamic consolidation in saturated soft soil proposed by Zienkiewicz. With calculus of variations as the principal theory, the function of dynamic consolidation equation is constructed, and further, dynamic consolidation equation in matrix forms is deducted.

本文针对软土地基上动力固结法的特点，在Zienkiewicz提出的饱和土体动力固结定解问题的基础上做拉氏变换，以变分原理为基本理论，构造动力固结方程的泛函，进一步推导得到动力固结方程的矩阵形式表达式。

Years practice of leaving residues to the cane field after harvested manifested evident effects of soil more and more fertilizing, even if continuous cane cropping. In addition, 180-210 yuan per hectare economic benefit earned, the favorable soil ecology circle was built, of which should be increased output, decreased cost and mineral consumption.

蔗叶还田除了当造可获得180~210元／hm^2的经济效益之外，更重要的还有使土壤环境进入良性的生态循环，既可以获得增产，提高经济效益，降低生产成本，又可以减少对矿物资源的消耗，具有多重的良好社会效益。

Should undertake transforming from the following respect in the light of these phenomena: 11.1 reasonable intercrop popularize improved soil generally intercropping earthnut, soya bean, horsebean, vegetable, accomplish raise couple of the ground, photograph that use the land, in order to enhance soil fertility. 1.2 promotion give birth to grass to help advance somebody's career grown orange let it have its swing grows grass or sow grass of 100 happy event field, recycle chemistry drug weeds or cut cut down, make its cankered.

针对这些现象应从以下方面进行改造：1改良土壤1.1合理间作普遍推广间作花生、黄豆、蚕豆、蔬菜等，做到养地、用地相结合，以增强地力。1.2推广生草栽培成年柑桔园任其自然长草或播种百喜草，再利用化学药剂除草或割刈，使其腐烂。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。