Tigogenin is a byproduct in the hemp-making industry using the sisal, as a castoff, it pricks up environmental pollutant.

Methods: A study was made of the effect of using silica gel and macroporous resin I as absorbent in column chromatography on the separation of tigogenin.

方法：研究用硅胶、大孔树脂Ⅰ作为吸附剂的柱色谱的分离效果。

The acute toxicity test of tigogenin showed that its maximum tolerance dose was 4.5 g/ kg.

急性毒性实验表明，其最大给药量为4.5g/kg。

Development of Synthesis of Steroid Drugs from Tigogenin in China

我国利用剑麻皂素合成甾体药物的研究进展

The crowd gaped at the daring tricks performed by the tightrope walker. A film star is naturally much in the public eye.

观众们张口注视着走绳索人大胆的表演。一个电影明星自然是大众专注目的对象。

The crowd gaped at the daring tricks performed by the tightrope walker.

观众们张大了嘴注视着走绳索人大胆的表演。

OVERVIEW: Balancing acts are something you do very well, and you'll be regular tightrope walker this year!

整体运势：凡事公正处理一定会有好的效果，今年你的总体运势有惊无险。

A good [ poor] seaman YIN MINGSHAN is a Chinese tightrope walker.

尹明善是一个善于走钢丝的中国人。

However, this can be like a tightrope walker working without a net.

然而，这可能像是一位拉紧绳索的行人在没有网的情况下工作。

An Armenian tightrope walker steadies himself with his balance pole as he prepared to perform a trick.

一个亚美尼亚的走钢丝者用他的平衡杆保持平衡，准备玩一场把戏。

Check all fluid levels and seal tightness after the engine test run.

发动机试运行后，检查所有液位及密封紧密性。

To ensure the air tightness and test the performance of devices.

一方面确保装置安装的气密性，另一方面测试装置的性能。

The paper analyzes the leakage and risks of throbbing pipe and points out that the present method of water tightness test is not suitable for the throbbing pipe construction in the soft-soil and high-water-level area, putting forward ways to solve the problem.

本文对顶管施工后的渗漏及其危害性进行分析，指出了当前普遍采用的闭水试验验收方法不适合高水位软土地区顶管施工，提出了相应解决办法。

Based on the simulation of vacuum tightness test in various operation conditions of condenser, the affection of vacuum tightness test in various operation conditions of condenser on stress of cooling tube is analyzed.

通过对凝汽器在不同运行参数条件下汽轮机真空系统严密性试验的仿真，分析了凝汽器在不同运行条件下，真空系统严密性试验对凝汽器冷却管热应力的影响。

After the tightness test, a functional test of each scrubber shall be carried out in accordance with written test procedures approved by the employer.

气密性试验完成后，还应根据业主批准的书面测试程序，对洗涤器进行功能测试。

Tightness test both the shell and tube sides of the exchanger to check that the flange gaskets are holding tight.

紧力测试对热交换器的管程与壳程，检查法兰垫圈是否紧密。

In recent years part of domestic oil and gas fields proposed the requirements on gas tightness test for individual high-pressure shaftmouth device.

近年来我国部分油气田因开采情况的变化，相继对各高压上井装置提出了进行气密封试验的要求。

A series of gas tightness test was examined for the gas tightness ensurance of the test bed.

之后进行了一系列的气体密封性实验，以考察实验台的密封性能。

A Torque and Tightness Test Rig for Vacuum Assistor Cover

真空助力器壳体扭矩与密封性试验台

Inquiry about the Tightness Test of Large Turbogenerator

对大型汽轮发电机严密性试验的探讨

At present, the appraising index is the rate of vacuum down obtained from vacuum tightness test.

目前，评价汽轮机真空系统严密性的指标是真空系统严密性试验得到的真空下降速度。