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Of the tested malignant tumors of mesenchyma, the antibodies had a positive reaction on some osteogenic sarcoma. They did not cross-react with various normal adult o...

提示OS-McAb对骨肉瘤有较高的特异性，在骨源性恶性肿瘤的免疫诊断方面有一定应用价值。

Methylglyoxal is a toxic endogenous substance known to react with proteins to form advanced glycation endproducts, which accumulated in the body during aging. Hyperglycemic can accelerate the accumulation of AGEs, and it has been link to the development of diabetic complications.

由於Methylglyoxal在体内会形成高阶糖化终产物，而这些终产物在老化过程中会大量蓄积且高血糖会加速其蓄积，而与糖尿病晚期的并发症有相当的关联性。

Methylol groups react with the hydroxyl groups of the cellulose to form stable ether linkage.

甲氧基基团可以和纤维素上的羟基反应形成稳定的醚键。

Methylol groups react with the hydroxyl groups of the cellulose to form stable ether linkage.

所以天然植物纤维都具有亲水的特性，而且它们的水份含量可以达到8~12.6％。

The first step reaction of methanol hydrochlorinate is methanol react with hedrogen chloride to produce monochloro methane and water, if the methanol can meet the request, the high pure monochloro methane can be refined.

甲醇法第一步反应为甲醇与氯化氢反应生成氯甲烷和水，如果所用原料甲醇满足要求，反应产物经过简单的精制即可得到高纯度的一氯甲烷。

Four different ionic liquids, BF4, BF and PF6 were investigated, arid PF6 showed the best effect when used as the reaction media, giving the highest yield in the shortest reaction time. Promoted by KF in PF6, N-aryl or N-alkyl monosubstituted sulfonamides could react with various activated halides and unactivated primary halides smoothly. Reactions were performed at 85℃ for 2~10 hours, and thirteen N-alkylation products were obtained with 70%~97% yields. Moreover, the ionic liquid recovered could be reused for three times with no appreciable decrease in yield and reaction rate.

结果表明，以PF6为反应介质时显示出了最好的效果，反应的时间最短，收率最高。N-芳基或N-烷基单取代的磺酰胺和各类不同结构的活化的卤代烃和未活化的一级卤代烃在PF6中KF作用下，85℃反应2~10h，以70%~97%的优良收率得到了13个N-烷基化产物，而且离子液体回收使用3次后效果未降低。

Compare and contrast how Nabal and Abigail react to David's request for food?

比较拿八与亚比该对于大卫的要求有什么不同的反应？

Yet Russia could react neurotically to EU meddling in what it sees as its backyard.

a glass half-empty，注1）。然而俄罗斯可能对欧盟干涉其自认的后院反应过敏。

How can we solve this problem? First, we must find a way to let the oxygen activated; secondly, let the H atom cleavage from the methyl, and turn to carbanions; finally, the activated dioxygen react with carbanions, so the problem of oxidizate nitrotoluene is sloved in the end.

因此，在较温和的条件下高选择性氧化硝基甲苯制备硝基苯甲酸是一个具有重要理论意义和实用价值的研究课题。

The possibilities are numberous onece we decide to act and not react.

一旦我们决定主动采取行动而非被动反应，可能性将数不胜数。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。