查询词典 C.B.

Herein, we report the enantioselective total syntheses of slagenins A-C and their antipodes. Starting from readily available ethyl -4-chloro-3-hydroxy-butanonate, elongation of the carbon chain with diazomethane, followed by oxidation of the given α-diazoketone using distilled DMD, afforded a key intermediate α-ketoaldehyde .

本文从方便易得的-4-氯-3-羟基-丁酸乙酯出发，经重氮甲烷延伸碳连、DMD氧化相应的α-重氮酮，制得α-酮醛；该化合物与尿素在氢氟酸作用下，以协同方式非对映选择性的直接构建了cis-四氢呋喃并[2，3-d]咪唑啉-2-酮双环结构，进而合成了天然产物slagenins A、B、和C的对映体。

For instance, the "banana" sign is caused by downward displacement of the cerebellum, with a resultant banana shape, and it also leads to effacement of the cisterna magna Fig. 10-19A-B and Fig.

例如，"香蕉"征是由小脑向下移位，造成了香蕉样的外形所引起，它还导致小脑延髓池的消失（图10-19A-B和图10-19-C）。

Points A and B are equidistant from C.

A和B同是等距离。

Even Vitamins like B, E and C and folic acid seem to reduce the risk of the disease.

即使是像维生素乙， E和C和叶酸似乎降低风险的疾病。

He told me that when he ordered tests for Hep B, they tested me for Hep C as well.

他告诉我，当他下令测试喉癌乙，他们测试我喉癌C为良好。

Methods 108 patients with chronic hepatopathy were divided into 3 groups according to the modified Child-Pugh classification(group Child A,Child B and Child C).

方法将慢性肝病患者108例，根据Child-Pugh改良分级法分为Child A级组(53例)，Child B级组(30例)及ChildC级组(25例)。

Doesn't provoke attacks of opportunity when he leaves square B. When heleaves square C, however, the hobgoblin can attack him.

然而，他撤退路径中又移出另一只大哥布林的威胁方格C，此时便会引发机会攻击。

Romaine lettuce, for example has about six times as much vitamin C and eight times as much beta carotene as iceberg lettuce.

例如，长叶莴苣含有的维生素 C和B胡罗卜素就分别是白莴苣中含量的6倍和8倍。

The rats in group C were raised without any special interposal as control group. On the 14th day of the experiment, all rats in 3 groups received esophageal acid perfusion with 0.1 mol/L HCl, the drops was kept at 37℃ and 10 mL/h, the total duration lasted 50 min.

实验第14天，对A、B、C组动物分别进行食管酸灌注，使用0.1 mol/L盐酸滴注，滴注液保持37℃，速度10 mL/h，共50 min。

The interrogator is allowed to put questions to A and B thus

提问C可以向A和B提这样的问题，例如

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。