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It was a "Sic et Non" like that of Abelard, giving authorities for a proposition and then for the contrary opinion.

;这是一个"碳化矽等非"一样,亚伯拉德,使当局的一个命题,然后在相反的意见。

Investigations and experiments indicate that charring ablator s provide the most efficient thermal protection shield for the re-entry vehicles.

载人飞船返回舱的烧蚀热防护技术研究和试验表明,碳化烧蚀材料是再入飞行器最有效的热防护层。

Addition , the alkyl of the position is always more to replace the carbon in the ...

加成时,烃基化的位置总是在取代较多的碳。。。

In this paper, A new technique for increasing the stability of calcium chloride ammoniate—Carbonation forming salt in situ coating technique,has been studied.

对无水氯化钙与液氨的反应产物的稳定性进行了研究,提出了改进CAC稳定性新技术—碳化法原位成盐包膜技术。

The relationship between activity of catalyst and crystalline structure, and surface traits was associated via some characterizations.

根据反应活性与结构性能的研究结果,提出了在碳化钼催化剂上的POM反应机理。

The invention belongs to the nuclear technical field, in particular relating to a method for making a graphite absorption ball containing boron carbide.

本发明属于核技术领域,特别涉及一种制备含碳化硼的石墨吸收球的方法。

Ballistics experts in recent years have puzzled over a troubling loss of impact resistance in boron carbide, sometimes used in protective armour.

近几年来,导弹专家对用于保持性盔甲上的碳化硼保护层易碎的原因一直感到迷惑不解。

If it could stand up to higher energy threats, military experts believe that boron carbide - whose hardness approaches that of diamond - would find greater use as a lightweight armour material for military, police, diplomatic and other vehicles.

因为如果该材料能抵抗高强度武器的话,碳化硼这种和钻石硬度相当的材料能够成为军事车辆、警车、外交车辆和其它车辆的轻型防护材料。

The mostly products in the interface are AbBC which grows along the boron carbide and the boron carbide are attacked by the aluminum.

界面反应的主要产物为Al_3BC,碳化硼被铝侵蚀的同时,Al_3BC等反应产物生成。

A carbonated soft drink containing an extract of the cola nut and other flavorings.

可乐''。'类'。''饮料一种含有可乐果''。'提取物'。''及其它调味品的碳化软饮料

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。