沉积作用

Soil erosion is defined as the course of destroying, denudating, moving and depositing of soil and other substances on the ground, under the actions of hydraulic forces, wind, gravity and freeze-thaw.

土壤侵蚀是指在水力、风力、重力、冻融以及其它外营力作用下土壤、土壤母质及其它地面组成物质如岩屑、松散岩层等，被破坏、剥蚀、运转、沉积的过程。

The effects of rare earth on Zn-Fe alloy electrodepositing in sulfate bath have been studied.

实验研究了稀土在硫酸盐体系中电沉积锌铁合金的作用。

On the basis of the advantages of zinc-iron base alloys, this dissertation trys to prepare Zn-Fe and Zn-Fe-P electrodeposits and studies the basic rules of electroplating them. The main subjects of this dissertation included are as follows

基于此，本文研究了Zn-Fe和Zn-Fe-P合金镀层的电沉积工艺及其理论，在钢铁表面得到了兼具防护和装饰作用的Zn／Fe基合金镀层。

The influence of chloride base electroplating solution ingredients and the technological parameters of the process on iron content of Zn-Fe alloy deposits has been ascertained, and the optimum condition of preparing Zn-Fe electrodeposits has been obtained too.

研究了弱酸性氯化物体系电沉积Zn-Fe合金工艺，探讨了其中各组分的重要作用，得到了最佳工艺条件。

The 40Ar/39Ar geochronologic study indicates that with the ratio 40Ar/39Ar in atmosphere which changes with time,the time and strength of degassing of the earth can be probed,and that the 40Ar/39Ar dating method can help researchers study not only crust mantle evolution and the history of magma dynamics during the cooling process and granitoid emplacing, but also the hydrothermal ore deposit dating.

研究表明：可以通过大气中40Ar/39Ar比值随时间的变化窥探地球去气作用的时间和强度；40Ar/39Ar法不仅有助于研究岩浆冷却过程和花岗岩侵位机制等岩浆动力学的历史和壳幔演化，而且对研究热液成矿年龄也是很有效方法之一；在一定的地质条件下，沉积地层时代越老，40Ar/39Ar值越高；当今40Ar/39Ar年代法已为全球环境演变研究提供了一种强有力的工具。

HCY increases calcium deposition in the cellular layer and the expression of OP、OC、Col I mRNA of calcified BASMCs. It is a promoting factor for calcification, but not an initialing factor.

首次在体外血管钙化模型基础上探讨了HCY对钙化的促进作用，表明HCY促进钙化BASMCs钙沉积并增加OP、OC、Col ImRNA表达，是钙化的促进因子，但非启动因子；3。

The results show that the deposited boron from boric acid has catalytic-graphitization effect on carbon fibers through high temperature treatment, which enhances the graphitization property of carbon fibers and meliorates the surface state of carbon fibers.

结果表明：硼酸通过高温热处理过程所分解的硼对炭纤维起到了有效的催化石墨化作用，显著提高炭纤维的石墨化性能，改善炭纤维的表面状态，从而有效地促进CVI过程中炭纤维表面沉积较高织构热解炭。

Late Permian to Triassic rifting and subsidence resulted in the deposition of as much as 9 kilometers of Triassic strata, locally injected with sills.

二叠纪晚期到三叠纪断裂和下沉作用形成了大约9千米厚的第三纪沉积地层，在其中有岩床的切入。

Great scarps are initiated at the thinning and breaking of the continental lithosphere and have a long phase in the ensuing development, with a successive selfparallel retreat-a process that may be defined as tectonic planation, with the occurrence of a basal surface for shelf sediments.

大悬崖的形成始于大陆岩石圈的变薄和裂解，持续发育过程较长，期间经历一系列的平行后退过程--即所谓构造夷平作用，导致大陆架沉积基准面的形成。

Based on the theory of two-phase fluids dynamics, the general governing equation is established, which is applied to the fields of seepage, consolidation and deposit. For the first time, the mechanics properties of the soil affected by seepage are studied by the means of experiment. The problems of the modified indexes of mechanics and constitutive relation are solved due to the formulations obtained of mechanics parameter under seepage condition. Applied fuzzy theory and modern project design method, the fuzzy probability model for stability analysis is stetted up; Considered variation of mechanics parameter and curtain effect, the deformation patterns of deep execution are systematically analyzed.

基于两相流理论，推导了适用于渗流、固结和沉积的统一形式的控制方程；试验研究了渗流作用下土的力学性质的变化规律，经综合分析得到力学指标的定量表达式，为工程设计和数值计算中力学参数的确定提供了参考；基于模糊理论和现代工程设计方法，建立了基坑失稳的模糊概率模型，为基坑稳定性预测提供了新的方法；对基坑变形规律作了系统分析，考虑了土性变化和帷幕防渗效果对支护结构变形的影响，得到了较满意的结果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。