查询词典 ring

When the radical center is located at the bridge methyl group, ring expansion is the favored rearrangement pathway unless a radical-stabilizing substituent is placed in the cyclobutyl ring adjacent to the bridge methyl group.

当自由基中心位于双环的桥甲基时，扩环过程占主导地位，但是与桥甲基相邻的环丁基上存在能够稳定自由基的取代基时，重排以开环为主。

The scheme of reducing furnace height to dismount the front rotary ring in the furnace was introduced in this article, which has been used in practice and reach the objective that the front rotary ring was dismounted and the concrete major beam keeps in good condition.

介绍了降低炉体高度拆装煅烧炉前滚圈的可行性方案，并通过实践检验达到无损建筑物混凝土主梁顺利拆装前滚圈的目的。

Diamond's Ring Leader O-ring chain is specifically designed for applications that don't permit regular lubrication, requiring the chain to depend entirely upon initial factory lubrication throughout its service life.

Diamond 的的 O 型环链是专为应用程序，不允许定期润滑，要求链从初始工厂起，完全润滑在其整个使用寿命中。

Since a ring satisfies the related comparability if and only if every regular element is related unit-regular, In Section 2. 3, we first give some equivalent conditions for an arbitrary ring to satisfy the related comparability.

由于环R满足相对可比性当且仅当R的每个正则元是相对幺正则的，§2.2节给出了一般环中给定的正则元是相对幺正则的一些特征刻画，证明了文献[22]（1997）的主要结果在任意环中仍然成立。

An element of a ring is said to be UR if it is the sum of a unit and a regular element and a ring is said to be satisfying DR-stable range if R has P-stable range and p is the set of all UR-elements of R.

当环的一个元素是一个可逆元和一个正则元之和，则称这个元素为UR。如果环R具有P稳定度且P是环中所有UR元素组成的集合，则称环R具有UR-稳定度。

By, we prove that a separative abelian regular ring is an APT ring.

由，还证明了分离的阿贝尔正则环是APT环。

This includes: home cleanings, regular ring checkups, proper storage and knowing when not to wear your ring.

这包括：家居清洁用品，则环检查，适当的储存和知道什么时候你不戴戒指。

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。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。