查询词典 e-learning

The catalytic effects of 16a-e on the asymmetric addition of diethylzinc to benzaldehyde were evaluated, and it was found that they could promote the reaction with up to 63% yield and 27% ee.

研究了化合物16a-e催化二乙基锌对苯甲醛的不对称加成，发现16b-e可以催化该反应的进行，最高产率为63％，ee值27％。

E〓 is a perfect matching of G and G·E〓 is a bipartite graph.

2E〓是G的一个完美匹配，并且G·E〓是一个偶图。

ALP would play a role in improving antioxidative ability of body,decreasing the damage of free radical to the body and maintaining the body weight of normal adult mice.The antioxidation of ALP maybe relate to Se,Vitamin E,β- carotin and flavonoids that ALP contained. 2.ALP has the different antioxidative mechanism from that Vitamin E has.

ALP 能提高正常小鼠血中 GSH-Px 活力及 SOD 活力，降低其 MDA含量(P.05)，有效防止受辐射成年小鼠血及肝脏中 GSH-Px 活力的降低和 MDA 含量的增加(P.05)，因此具有抗辐射、抗氧化的作用，ALP的抗氧化功能可能与其所含的硒、维生素 E、β-胡萝卜素以及异黄酮类物质有关。2。

On this basis, we give the characterization of the compact set in E〓,τ

引入了模糊数网的最终等度左连续概念，利用它得到了模糊数序列在水平收敛意义下存在极限的一个充要条件，在此基础上给出了空间E〓，τ(l中紧集的特征刻画，即空间E〓，τ(l中的闭集U是紧的当且仅当U一致支集有界，且U的每个网有在（0，1上最终等度左连续、在λ=0处最终等度右连续的子网。

E〓 is endowed with a new metric D, such that becomes a complete metric space. After that a locally convex complete pseudonormed space is constructed. Finally, E〓 is embedded into isometrically, and isomorphically.

在n维非紧模糊数空间E〓上引入一个新的度量D，使得成为一个完备的度量空间，然后我们构造了一个局部凸的完备赋准范空间，并将n维非紧模糊数空间等距同构地嵌入到空间之中。

In this paper, an important property and a theorem have been given about the matrix Thiele's continued fraction which is used to approximate the function of e. Based on the property, the Thiele algorithm is improved. A numeral example is also provided.

文章利用代数知识给出了矩阵指数函数e的连分式逼近函数的一个重要性质和定理，并在此基础上对矩阵指数函数e的连分式算法进行改进，最后用数值例子来验证其可行性。

But once the supplemental levels of vitamin E were higher than 400mg/kg no difference in feeding failure was detected, indicating deficiency of vitamin E detrimentally affected fish feeding. Plasma AST activities in the 0 and 3000mg/kg groups were significantly higher than those of the other groups.

维 他命E 添加亦影响肝脏天门冬胺酸转胺酵素活性，添加量最低与最高（0 与3000 mg/kg ）两组显著高於其它三组，组织学切片显示低浓度组肝细胞有空胞化的情形发生。

They almost unanimously hold that the narrative of the patriarch's life is composed practically in its entirety of three writings or writers called respectively the Jahvist, the Elohist, and the priestly writer, and denoted by the letters J, E, and P.

他们几乎一致认为，叙事的老人家的生活组成，几乎将其全部三种著作或所谓的作家分别jahvist ， elohist ，和司铎的作家，和记字母J以来， E和第j和E其中收藏的故事涉及到元老，有些年纪大了，有的后来，原居地。

Objective To investigate the expression of E-cadherin in the carcinoma of endometrium.

目的 探讨上皮型钙粘蛋白(E cadherin ，E cad)在子宫内膜癌中的表达意义。

However, there were some defects in the EF model given by Rees W E in 1999, i.e. inaccurate of the productive and equipotent factors, lacking enough consideration for the functions differences of ecological system, and static EF model. A Modified Ecological Footprint Model was proposed according to the problem and deficiency mentioned above.

文章针对Recs W E等提出的生态足迹模型中存在的问题与不足（如：产量因子和当量因子参数选取偏差，生态功能差异表现不充分，模型不具动态性等）提出了改进生态足迹模型。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新