临界的

The direct cause of the accident is the use of geometrically unsafe process equipment and personnel violation. However,the root cause is lack of efficient technical management.

这起事故的直接原因是未采用几何临界安全设备及工人的违规操作，而根本原因在于缺乏有效的技术管理。

The grating spectrometer has several advantages over existing commercial products for being able to measure semi-continuous spectrum in critical hydrocarbon peak region and better signal baseline stability critical for accurate spectroscopy.

与目前的商业产品相比，该光栅光谱仪具有几个优点：能够测定临界油气峰区的半连续光谱，信号基线稳定性更好，后者对光谱的准确性非常重要。

The safety criterion of groyne erosion due to flow scour has been taken into account.

提出了用丁坝端部冲刷坑的当量坡度小于冲刷坑坡度的临界值JD作为丁坝抗冲刷破坏的安全准则。

A laser holograph interference method for research on vibration test of first class compressor s disk is used.

采用激光全息干涉法对某型发动机一级压气机盘进行振动试验研究，在0-15 000 Hz频率范围内获得了7个振动模态的静频及振型，并根据试验结果研究该轮盘的行波振动，分析轮盘的共振特性及临界转速。

The main difficulties are to find the functions which achieve the best constant of critical Sobolev-Hardy imbedding and to overcome the singularity of the positive solutions.

这里的主要困难是要找到Sobolev-Hardy临界时最佳嵌入常数的达到函数，同时在寻找变号解时还要克服方程正解的奇性。

According to the state standard of ocean sediment quality, threshold effective level and state standard of soil quality, the total contents of heavy metals in sediments from infall port were higher than those from the other parts of the lake which showed a combined pollution, the main pollutants being Cu, Cd, Ni and Zn.

根据国家海洋沉积物质量一类标准、生态危害临界值和国家土壤质量一级标准，湖泊进水口底泥中重金属的复合污染较严重，其它区域沉积物中的重金属全量也有不同程度的超标现象，底泥中污染重金属主要为Cu、Cd、Ni、Zn。

This article describes the conditions of production and application of middle and small-sized RE-Mg ductile iron ingot mold during the last three years, and gives main properties of these ingot molds mechanic properties at room and high temperatures, resistance to oxidation and thermal fatigue, critical phase transformation temperatures and coefficient of thermal expansion,etc.

本文介绍了三年来采用稀土镁球铁材质制造中、小型钢锭模的生产试制和使用情况。报导了此种钢锭模的主要性能(常温与高温机械性能、抗氧化与热疲劳性能、临界相变点与热膨胀系数等)和表示出机械性能与化学成分间相互关系的回归方程。

It can be characterized with interfacial tension among polymers.

一是研究了温度对表面张力的影响，通过实验测量和理论分析，本论文得出的结论是：在远低于聚合物临界温度下，高聚物表面张力与温度之间有很好的直线关系。

The critical micelle concentration, surface tension and interfacial tension of a copolymer are investigated.

对具有一定表面活性的聚乙烯醇与丙烯酸甲酯和丙烯酸聚乙二烯醇共聚产物的临界胶束浓度，表面张力和界面张力进行了研究，并对共聚物与OP系列低分子表面活性剂的相互作用进行了探讨。

The results show that addition of AEBA significantly promotes the intermolecular association and decreases the CMC of SDS.

实验结果表明，AEBA的加入大大促进了SDS的分子间缔合，使SDS的临界胶束浓度CMC大幅度下降。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。