查询词典 ring up

It is proved that if R is a semi-commutative ring, the following conditions are equivalent:(1) R is a π-regular ring.

证明了若R是半交换环，则下面条件是等价的：(1)R是π-正则环。

Every unit regular ring is clean ring .

Bear环与正则环之间的关系。

Finally, as a generalization of the group-graded regular ring, the notion of group-graded weakly regular ring is introduced and we discuss it in a new way. In particular, an equivalent condition for the semigroup rings to be weakly regular(T-weakly regular) is given.

将群分次正则环推广到群分次弱正则环；用新的方法研究了环的弱正则性，并得到半群环的弱正则性和T-弱正则性的一个等价刻画。

The current exclusive breastfeeding, but in some cases stool thin paste Synchronized eggs were a lot of water a day, about 6 times, and sometimes there are some out fart fart a lot and also the ring, belly ring regular cuckoo, what to do?

现用纯母乳喂养，但大便稀糊有时呈蛋花样水份很多，一天大概6次，有时放屁都有一些出来且屁很多又响，肚子经常咕咕响，如何是好？

I'll have to ring off now but I'll ring you back tomorrow.

我要挂电话了，我明天再给你去电话。

A ring mechanism for a loose-leaf binder comprises a thin, elongate plate and at least two ring members supported by the elongate plate.

公开了一种活页夹用卡环机构，其包括：一个薄的细长板和至少两个由所述细长板支撑着的卡环元件。

Since aromatic ring is a very stable compound, it would needs very high activation energy to begin the ring opening reaction. It is therefore interesting to investigate how the micro-organism can catalyze this reaction in room temperature at natural buffer condition.

由於芳香环是一种非常稳定的化学结构，如果想要进行开环反应必要要经过极大的活化能，而了解生物体中是如何在常温的环境下进行这样的反应将会是非常有趣的题材。

It is a combination of packing plastic ring as the basis, as a skeleton, load the PVA silk, Jacques wire fastening the plastic ring on the tow compound evenly distributed in the dirt, prone to film, for film, and the application of sewage thick liquid is good.

组合填料它是有塑料环为依托，作为骨架，负载着维纶丝，维纶丝紧固在塑料环上，在污料中丝束分布均匀，易生膜，换膜，并对污水浓液的适用性好。

In order to obtained the six-membered ring compound and a thorough assignment of the spectra, and further to prove that the six-membered ring compound was formed from the hydrogen transfer, the compound N-butyl-4-(N-methylphenylamino)-5-amino- 1, 8-naphthalimide 6 was designed to obtained with N-butyl-4-bromo-5-amino-1, 8-naphthalimide and N-methyl phenylamine as the starting material. However it was difficult to obtain the desired product as the different solvent giving the different products except the desired product.

为了能够得到六元环化合物作为定标的物质及其确切的谱图分析结果，并且为了进一步证明由五元环产物通过氢转移得到六元环产物的正确性，设计用N-丁基4-溴-5-氨基-1，8-萘酰亚胺与N-甲基苯胺反应生成N-丁基-4--5-氨基-1，8-萘酰亚胺6，结果发现这种方法很难实现，选择不同的溶剂会生成不同的产物，却都不是目标产物。

This dissertation is dedicated to investigate the pyrolysis of the fuel-bonded nitrogen model compounds,including five-membered ring nitrogen model compound pyrrole and the substituted six-membered ring nitrogen compound 4-methyl pyridine,with vacuum ultraviolet single-photon ionization combined with molecular beam mass spectrometry technique.

本论文利用同步辐射真空紫外单光子电离、分子束取样和反射式飞行时间质谱相结合的技术研究了含氮杂环模型化合物的热解，包括五元环含氮体系、六元环含氮体系和替代的六元环含氮体系(4-甲基吡啶)。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。