Sand trap

Representative sands were sampled on the basis of the investigation into the oil contamination of soil-water systems in the Jiaozhou-Bay.

在对滨海沙滩(胶州湾)沙土-水系统石油污染调查的基础上,选择代表性的沙滩进行取样,系统测定不同沙土对可溶性油的吸附动力学曲线和吸附等温线,并分析了含沙量、粒径、温度、pH和盐度对吸附作用的影响。

Loess, sand and coal ash samples were collected at several mineral aerosol sources to analyze the particle size as well as the major and trace elements.

黄土的颗粒最细 ,91 %的黄土颗粒可以形成矿物气溶胶进行长距离输送 ;沙土较粗 ,只有 1 5 %的沙尘颗粒可以形成矿物气溶胶 ;2个煤灰样品的粒径差异较大 ,抚顺煤灰中 <74μm的颗粒高达 3 9% ,而呼和浩特煤灰只有 7% 。

It has been shown by allalysis that to predict the multi-pass performallce of a driven wheel on sand with Bekker s theory will result in a larger error.

应用本文的方法，可明显改善刚性驱动轮在松散沙土上重复通过时牵引性能的预测精度。

Experiments of lowering the temperature of sandy soil speedily at night by heat-pipe technology;

用热管技术增大夜晚沙土降温幅度的实验研究

The distribution characteristics of sandy soil densities on the dune surface and it s genesis;

沙丘表面沙土密度分布特征及其成因

Effect of polyacrylamide on improving sandy soil property;

聚丙烯酰胺对沙土改土保肥的作用

Simulating test on damage regularities of thick sandy soil layer and load distribution on key roof block in shallow coal seams;

浅埋煤层厚沙土层顶板关键块动态载荷分布规律

Studies on load-transmitting factor of thick sandy soil layer on key roof stratum in shallow seam mining;

厚沙土层在顶板关键层上的载荷传递因子研究

Based on the measurement in site, the phenomenon of load reducing on roof key blocks structure under thick sandy soil layer was discovered.

基于现场实测发现的采动厚沙土层载荷传递现象,应用开发的动态载荷相似模拟系统,得出了厚沙土层采动破坏特征、工作面顶板关键层全结构的载荷总体分布规律以及顶板结构中A,B和C关键块的动态载荷传递规律;发现了周期来压期间二次"卸荷拱"现象,揭示了关键块载荷小于载荷层全厚载荷的机理;提出了载荷传递因子的概念,给出了卸荷拱高度的计算公式和载荷传递因子的计算公式,解决了关键块上的载荷计算问题。

Effect of Batroxobin and Edaravone Cooperation on Apoptosis after Transient Forebrain Ischemia in Gerbils;

联合应用巴曲酶和依达拉奉对沙土鼠缺血再灌注后神经元凋亡的影响

Protective effects of penehyclidine hydrochloride on transient forebrain ischemia reperfusion injury in gerbils;

盐酸戊乙奎醚对沙土鼠前脑缺血再灌注损伤的保护作用

Relationship between time and effect of Batroxobin on apoptosis after cerebral ischemia/reperfusion in gerbils;

巴曲酶对沙土鼠前脑缺血再灌注损伤后神经元凋亡的时间效应关系研究

The relationship between the effects of curcumin on cerebral ischemic-reperfusion injury and heat shock protein expressions in hippocampal CA1 area and its significance in gerbils;

姜黄素减轻沙土鼠海马CA1区脑缺血再灌注损伤与热休克蛋白表达变化的关系

Effects of progesterone treatment on parvalbumin immunoreactivity of the gerbil hippocampus after cerebral ischemic reperfusion;

孕酮对沙土鼠脑缺血再灌海马小白蛋白免疫反应的影响

Effects of mild hypothermia on levels of Bcl-2,Caspase-3 and apoptotic neurons in hippocampus CA1 area after forebrain ischemia in gerbils;

亚低温对沙土鼠前脑缺血/再灌注海马CA1区神经元凋亡及Bcl-2、Caspase-3表达的影响

The study shows that the method is feasible to predict the liquefaction of sand soil.

讨论了基于RBF神经网络技术的沙土液化预测分析方法及其有效性。