查询词典 laboratory experiment

The laboratory procedure and the experiment phenomena had been described in detail.

文中对实验步骤和实验现象做了详细的描述。

Methods: This experiment laboratory tests and practical application of the field test sites.

本实验通过实验室试验和实际应用场所的现场试验，分两个阶段对两者对空气中微生物的杀灭效果进行研究。

The laboratory scratched that experiment for this year.

实验室今年取消了那项实验。

Fourthly,full size laboratory model experiment is conducted based on the construction of highway.

第四，开展了公路结构在交通荷载作用下的室内模型试验研究。

When does the experiment, requests the laboratory procedure and the method according to teacher earnestly tests, the practice.

做实验时，按老师要求的实验步骤和方法认真实验、练习。

The washing experiment of soil contaminated by petroleum alkane was performed with two kinds of biosurfactants in laboratory. The results showed that biosurfactant would enhance on removal of residual alkane in soil, after washing with 20 pore volume solution the removal rate with BS-UC and MELs were three times and twice as that of water, respectively.

在实验室内对南极假丝酵母产生的两种生物表面活性剂进行了石油烃类污染土壤的冲洗实验，结果表明，经过大约20个孔隙体积的冲洗，BS-UC溶液的除油率为清水的三倍，MEL溶液为清水的两倍，这表明该生物表面活性剂能够加速土壤残油的去除，而来自污染底物的生物表面活性剂更具有优越性。

The principle experiment is carried out at national tribology laboratory of Tsinghua university in this paper.

本文借助于清华大学摩擦学国家重点实验室的设备进行了原理性实验。

WANG Lang-ping, TANG Bao-yin, WANG Xiao-feng, WANG Song-yan, LIU Ai-guo, TIAN Xiu-bo (National Key Laboratory of Advanced Welding Production and Technology, Harbin Institute of Technology, Harbin 150001, China)Abstract: In order to increase the peak depth of nitrogen atoms during the nitrogen plasma ion implantation of Ti-6Al-4V alloy, the rare earth metal yttrium was used to increase the implantation and diffusion depth of nitrogen atoms. In the experiment, the yttrium ions were implanted under the voltage of 20 kV firstly, and then the nitrogen ions were implanted under 30 kV.

为了提高氮等离子体浸没离子注入Ti-6Al-4V合金时氮原子的峰值深度，利用钇来增加氮在基体中的注入深度和扩散深度，先用20 kV的电压进行钇等离子体浸没离子注入处理，然后用30 kV的电压进行氮等离子体浸没离子注入处理。

Based on model experiment in laboratory and theoretical analysis, some representative mining area are chosen for applying the achievement to driving construction in rock tunnel in the pit, and achieves remarkable economic benefit and social benefit.

在实验室模型试验研究和理论分析的基础上，选择了有代表性的矿区，应用研究成果指导煤矿井下岩石巷道的掘进施工，取得了显著的经济效益和社会效益。

This article studies the topic to originate from the physical teaching, is aims at in the physical teaching the spring sliding block experiment to be unable in the foundation which does in the laboratory to compose.

本文研究课题来源于物理教学，是针对物理教学中弹簧滑块实验无法在实验室做出来的基础上撰写的。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。