The vacuum brazing of steel 40Cr and hard alloy YG8 with CuMnNi brazing filler metal was investigated.
目前，硬质合金刀具的生产制作技术，美国和德国的专业公司处于领先水平[2]。
CR has some value to the diagnosis of vertebral fracture and the healing process of rabbit by analyzing density of the callus. The signal intensity of MRI could reflect the pathology of vertebral fracture of rabbit to some extent.
平片可通过对兔骨折椎体密度的分析评判其愈合的程度；MRI的信号改变在一定程度上能反映出兔椎体骨折愈合过和中的病理学改变。
The article introduces method of direct measuring chromium in high concentration leather waste water, through comparing with analyzing result of origanal experimental method.
介绍了应用差示分光光度法直接测定高浓度皮革废水中Cr的方法，通过与原实验方法分析结果的对比，获得了满意的结果，能基本满足环境监测的要求。
It has been suggested that Cr may be a component of glucose tolerance factor in vivo.
六价铬和三价铬，作为环境中存在的同一种元素的不同形态，对人类却有着不同的影响。
The CR system; Imaging plate; Principle of the reader; Fluorescence collection; Readout device
国家科技支撑；计算机X射线成像系统；影像板；读出原理；荧光收集；读出装置
A perpendicular magnetic recording disk has an improved recording layer of a granular CoPtCr-based ferromagnetic alloy with inter-granular material made up of one or more oxides of Cr and one or more oxides of one or more of a segregant of Si, Ta, Ti, B, Nb or Hf, wherein the amount of oxygen present in the recording layer is greater than about 22 atomic percent and less than about 35 atomic percent.
本发明提供一种垂直磁记录盘，其具有改进的具有颗粒间材料的颗粒CoPtCr基铁磁合金的记录层，颗粒间材料由Cr的一种或更多氧化物及Si、Ta、Ti、B、Nb或Hf分离子中的一种或更多种的一种或更多种氧化物构成，其中记录层中出现的氧的量大于约22个原子百分比并且小于约35个原子百分比。
The meta-peridotite consists of dunite, harzburgite, lherzolite, feldspar-bearing lherzolite and garnet-bearing lherzolite and contains residual spinel with Cr#s [100*Cr/] of 30-57 and Mg#s [100*Mg/(Mg+Fe2+)] of 50-75, indicating an Al- and Mg-rich series.
变质橄榄岩主要为纯橄岩、方辉橄榄岩、二辉橄榄岩、含长二辉橄榄岩和含石榴石二辉橄榄岩，岩石中残余尖晶石的Cr`值=100×Cr/(Cr+Al为30～57，Mg`值=100×Mg/(Mg+Fe2+为50～75，指示一个富Al和Mg成分系列。
For both the theoretical and actual procession show that reflection coefficient and wavelet convolution can not get synthetic record seismic trace on the scale of 2〓, so, all forward calculation should be projected from the scale of 2〓 to the scale of 2〓.
2将2〓尺度的Cr〓、Cs〓、Cb〓、Cr〓插值到原2〓尺度的长度，因为理论和实际处理均表明，尺度为2〓的反射系数与尺度为2〓的子波褶积得不到尺度为2〓的合成记录地震道，所以一切的正演计算必须从2〓尺度投影到2〓尺度才能实现
Auberge Des Crètes offers rooms with a view in the village of Falmignoul.
住客评语反映的是 Booking.com的客人在酒店住宿后对该酒店的个人意见和看法。
On the other hand, the creep fatigue interaction tends to embrittle the steel, which depends on the original toughness value of the steel.
此外，低合金Cr-Mo-V钢经蠕变一疲劳交互作用后有脆化倾向，其脆性程度取决于钢的原始韧性值。
The mutual action of Precipitation and recrystallization and its effects on the microhardness of RS Cu-Cr-Zr-Mg alloy upon aging were investigated in this paper.
本文研究了快速凝固Cu—Cr—Zr一Mg合金在时效过程中，析出与再结晶的交互作用及其对显微硬度的影响。
The square sum of the norm of the difference between the experimental values obtained from upsetting experiment and the calculated values obtained from finite element simulation is defined as an objective function.
以26Cr2Ni4MoV为例，以镦粗实验提供的实验数据和刚塑性有限元模拟提供的数值解差值的l2范数的平方作为目标函数，应用构造的算法识别了该模型中的材料参数，计算结果和实验结果符合良好。
The result of stability experiment indicated that the irreversible changes ofmax of alloy were 2 to 5 times larger than that of Br and Hc, and the changes of magnetic properties of the Fe-Cr-Co alloy tend to decrease, and then gradually keeps a certain level with increasing the holding time at high temperature.
稳定性试验结果表明，max的不可逆变化率为Br和Hc的2～5倍，材料的磁性能，特别是max在开始阶段有一定的波动，随时间延长波动逐渐减小，经过稳定化处理的试样其稳定性有一定的改善。
With CO2 as acidifying agent, potassium chromate was directly reduced to chromic oxide hydrate under hydrothermal conditions using formaldehyde as reducing agent.
以CO2气体为酸化剂，小分子有机化合物甲醛为还原剂，通过表面活性剂处理，在水热条件下直接还原铬酸钾水溶液得到水合Cr2O3，继而800℃下煅烧得到球形Cr2O3超细粉体。
This is a prelimiary study on the toxicity of chromium to the Nitzshia sp. and Cryptophto by means of batch culture. Experimental results indicate that their growth rates are inhibited when the concentration of Cr is larger than 16μg/dm3 and their EC50 values for 72 hours are 260μg/dm3 and 230 μg/dm3 respectively.
本工作使用一次培养法初步研究了Cr对菱形硅藻和隐藻的毒性，实验结果表明，当Cr浓度大于16ppb时，则对其生长率产生抑制作用，其72小时EC_(50)值分别为260ppb和230ppb。
The removal effective of Cr of this method is better than other methods as well.
在实验的基础上，我们指出了提高其处理效率的一般方法。
Material: Tank-- SUS304/0Cr18Ni9; Frame--SS400 coat of paint; Seal gasket--EPDM.
材料：罐体-- SUS304/0Cr18Ni9；框架--碳钢，表面喷漆；人孔密封圈--三元乙丙橡胶
Material: Tank--316L/00Cr17Ni14Mo2; Frame--SS400 coat of paint; Seal gasket--VITON.
材料：罐体--316L/00Cr17Ni14Mo2 ；框架--碳钢，表面喷漆；人孔密封圈---氟橡胶。
While the CHA survey confirms that CR matters to employees, it is not an end in itself.
虽然CHA的调查证实，雇员在乎企业责任，但它本身并不是目标。
Upper estimates of integral points in real simplices with applications to singularity theory, CR geometry and number theory
本报告将介绍整点个数的上界的估计，以及在奇点理论，CR几何和数论中的应用。