查询词典 sic

The flow-field around a hemisphere and a flat-nosed cylinder in the shock tube is simulated numerically by using non-equilibrium Navier-Stokes equations with an air chemical model of 5 species 17 reactions, and the catalytic rate constant of surface materials such as Pt, SIC:, Ni and a flight vehicle materials is determined by using the heat transfer rate of testing in the shock tube and the distribution of heat transfer rate along with the catalytic rate constants.

用5组分17个化学反应Durm-Kang空气化学模型和轴对称热化学非平衡Navier-Stokes方程，对激波管中球头和平头圆柱模型绕流流场进行了数值模拟，给出了驻点热流随催化速率常数变化的分布，并根据激波管实验测量的热流值确定了表面材料Pt、SiO2、Ni和某种飞船材料的催化速率常数，建立了数值分析高焓流动边界层催化特性的软件。

The influence of surfactant on the properties of electroplated Ni-SiC composite coating was studied by means of electron probe microanalysis, electrochemical analysis, and friction and wear test.

表面活性剂能改善复合镀层的性能，过去对离子型和非离子型表面活性剂影响复合镀层性能的研究报道不多。

The better properties were achieved when brazing Al 2 O 3/SiC w ceramic to stainless steel in argon gas was with Ag-Cu-Ti3 brazing filler metal.

在氩气保护下，用Ag-Cu-Ti3钎料对陶瓷与不锈钢进行钎焊可以获得比较好的效果。

Development of different SiC materials manufacturing by industrial and laboratory method are reviewed.

本文综述了工业生产及实验室方法合成各种碳化硅材料的制备技术。

The spin of the motion is one of the most important ba sic physical magnitudes in kinematics of high energy.

运动自旋是高能物理运动学中最重要的基本物理量之一。

The treaty revision negotiations over the Sino-Belgian Treaty of 1865 were the touchstone of the Peking Government's treaty revision policy. The Peking government deemed that treaty as unequal and raised the issue according to the treaty revision clause and rebus sic stantibus principle.

1865年《中比条约》修约案是北洋末期「到期修约」政策的试金石，北京政府依据「情势变迁」原则及条约中之修约条款，要求到期修约，遭到比利时拒绝后，断然宣布旧约终止，成为中国外交史上第一个片面宣布失效的旧约。

He was an actor: John Wilkes Booth. Booth broke his leg when he hit the stage floor. But he pulled himself up, shouted "Sic semper tyrannis!"--"Thus ever to tyrants!"

当布斯从包厢里跳下来时，摔断了腿，但他还是站了起来，他大喊到：&一切暴君都是这个下场！&

After a brief struggle with Major Rathbone, Booth immediately leapt from the box onto the stage, breaking his leg, and called out " Sic semper tyrannis "("Thus always to tyrants").

在和亨利少校搏斗了一阵之后，布思立即从包厢猛跃至了舞台，这使他折断了一只脚，却大喊：&暴君的后果&。

Methods:The self-made potassium chloride monopha- sic action potential recording electrodes(KCI-MAP elec- trodes)were pluged into the canine left anterior ventricu- lar wall,where isoprenalinewas administered through the KCI-MAP electrodes to mimic the increase of local sympathetic nervous tension,monophasic action potentialof the three layers(endocardium,mid-myoeardium and epicardium)at left anterior ventricular wall were re- corded simultaneously before and after Iso been administered.

方法经自制跨室壁氯化钾单相动作电位记录电极(KC1-MAP电极)于左心室前壁局部给予异丙肾上腺素模拟局部交感神经张力增加，记录给药前后三层心肌的单向动作电位，分析动作电位时程、图形特征和跨室壁复极离散度的变化，观察VT的诱发情况和VT发作时室壁激动顺序。

Brown aluminium oxide abra-Sive is electrically fusedin an arc-furnace from a mixture of bauxite, cokeas main raw ma-terials at high temperature. Its chemical composition contains Al2o3, TiO2, a small amount of SiO2,and Fe2o3, etc., micro-hardness: 18000-22000MPa, tou-ghess: higher than silicon carbide.

棕刚玉是以铝钒土、焦碳为主要原料，在电弧炉内经高温冶炼而成，主要化学成分为Al2O3TiO2还含有少量的SiO2和Fe2o3等，显微硬度Hv18000一22000，韧性比SiC高，用它制成的磨具，适于磨削抗张强度较高的金属，如各种通用钢材、各锻铸铁、硬青铜等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。