稀

Thin-film evaporator is used to concentrate liquid titanium in production of sulfate titanium dioxide in general.

在硫酸法钛白粉的生产过程中，一般采用薄膜蒸发器进行稀钛液的浓缩。

A new fluotescence quenching method has been developed to determine nitrite in water samples. The method is based on the diazo-reaction between nitrite ion and thionine in dilute suifuric acid medium.

文章研究了在稀硫酸介质中亚硝酸根与硫堇发生的重氮化反应，基于硫堇的荧光强度随亚硝酸根的加入量增加而明显降低的现象，建立了荧光猝灭法测定痕量亚硝酸根的新方法。

First frost comes in the night, a clear, scant-starred night when the moon is near its fullness, It comes without a whisper, quiet as thistledown, brushing the corner of a hillside garden, Dawn comes and you see its path—the glistening leaf, the gleaming stem, the limp, blackening garden vine.

深夜，月明星稀，晴空万里，初霜降临了。它润物无声，轻若飞絮，指掸山腰菜园一角。拂晓，人们仍能看到它的足迹，枝叶烁烁，树干闪闪，柔韧的藤蔓黝黑发亮。

Hard to find is the thoroughbred man; he is not born everywhere.

最圣洁者是稀有的，他不会随处出生。

The mass transter can be enhanced ,when we introduce sulfuric acid and cuprous oxide into this system.The model is formed to describe the transference of the martial between the four phases: gas-liquid-liquid-gas, which can explain some problems. We analyze the dead of the catalyst, and make a conclusion that the surface of the catalyst is covered with some compounds such as bluestone, which lessen the activity points of the catalyst and debase the activity.

在SO_4~(2-)／ZrO_2-La_2O_3催化的反应系统中加入稀硫酸和氧化亚铜促进了异丁烯和一氧化碳的传质、使反应得以快速，高选择性的进行，异丁烯的转化率达95％以上，特戊酸的收率达47％；讨论了g-l-l-s传质过程；对催化剂作了失活分析，催化剂失活的原因是因为反应后的催化剂表面覆盖了一层硫酸盐，使催化剂的活性中心数减少，活性降低。

Previously, health foods and health products were a very niche product, like for Berkeley free-spirited tree-hugging people," he said."

他说：在过去，健康食品和保健产品是非常稀有的，就像伯克利无精打采的人。

This was the rainy season and the ground was soft, and his face had scored a trench a foot deep and a couple of yards long.

适逢雨季，地面稀软，他的脸在地上划出一道没过脚踝的深沟，足有两码长。

In the presentRealitySociety, the "trial marriage" had not a new wonder.

现实的社会中，"试婚"早已不是什么稀奇事。

In the meantime, while some sang, the rest talked together tumultuously all at once ,it was no longer anything but noise

这时，有几个人唱着歌，其余的人都谈着话，稀里哗啦，也不分个先后，到处只有一片乱嘈嘈的声音。

CHAPTER VII THE WISDOM OF THOLOMYES Chinese In the meantime, while some sang, the rest talked together tumultuously all at once; it was no longer anything but noise.

七 多罗米埃的高见英文这时，有几个人唱着歌，其余的人都谈着话，稀里哗啦，也不分个先后，到处只有一片乱嘈嘈的声音。

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。