难熔的内含物中的那种矿物质,也被认为是最早形成的太阳星云凝结的物质。
The same minerals that occur in refractory inclusions are believed to be the earliest-formed substances to have condensed out of the solar nebula.
这很重要的原因是因为95%的溶解有机物貌似是难熔的。
The reason this matters is that 95% of dissolved organic matter seems to be refractory.
相反,焦博士认为难熔化合物主要是这些“小虫子”应对病毒感染而产生并释放出来的。
Instead, Dr Jiao thinks refractory compounds are made and released by these bugs mainly in response to viral infections.
公司现在拥有难熔金属的加工设备。
The company now has a refractory metal processing equipment.
难熔金属和贵金属组合的这一层薄膜使刻蚀成为一个艰巨任务。
The combination of refractory and noble metals in a single layer makes etching a formidable task.
钼单晶是一种广泛应用的重要的难熔金属材料。
Monocrystal molybdenum is a kind of widely used and important refractory metal.
简述了纳米晶难熔金属的研究现状。
The study of the nanostructured refractory metals was mentioned.
最后对难熔金属研究与应用的前景进行了展望。
Finally the prospect for the research and application of the refractory metals was present.
而难熔金属栅则被认为是最有希望的替代者。
And refractory metal gate is considered to be the most promising candidate.
目前主要的改善方法是向铝包镍中添加元素,例如:添加金属钼、镍硼粉和难熔金属硅化物等。
The main measurement to improve its properties is to add something to the nickel-aluminum system, such as metallic molybdenum, nickel-boron and refractory metal silicates.
本文阐述了粉末注射成形技术及其特点,以及在难熔钨合金和硬质合金及其它材料中的应用。
The powder injection molding technology, features and application in materials such as refractory tungsten alloys and hard alloys are reviewed in this paper.
主要应用于合成有价值的难熔化合物和高温新材料技术领域。
The present invention is used mainly in synthesizing valuable refractory compound and high temperature new material.
介绍了独联体国家难熔金属氟化物化学气相沉积的工艺、设备及其产品的开发情况和研究进展。
This paper reviews fluorides CVD methods for refractory metals in CIS countries, including modern development of the equipment and products.
自蔓延高温合成广泛用于制备难熔高温材料及其他先进材料,本文简要介绍了自蔓延高温合成的理论基础及技术应用。
The technique of SHS is widely used to product refractory materials and other advanced materials. Theoretical fundamentals and the SHS processing are described in the paper.
所述组成可以使用液相线温度的理论计算进行设计以便包含大量的难熔金属,并仍然保持低的液相线温度。
The compositions can be designed using theoretical calculations of the liquidus temperature to have substantial amounts of refractory metals, while still maintaining a depressed liquidus temperature.
高z材料因其高熔点和低溅射率近年来受到越来越多的关注,但是难熔材料的脆性等问题仍然是这类材料应用的一大障碍。
More attentions are paid to high Z materials because of their high melting point and low sputter rate, but such materials remain the problems of brittleness to which is harmful for their application.
利用液相浸渍法制备了含有难熔金属化合物的C/C复合材料,通过金相显微镜、面扫描观察了难熔金属颗粒在材料中的分散状态;
C/C composites with refractory metal compounds were prepared by liquid impregnation, the distribution state of refractory metal grain was observed by optical microscope and surface scan.
新的技术改善了铸造难熔金属的工艺。
The technique of forging stubborn metal has improved with new technologies.
特别是,当难熔金属硅化物薄膜是硅化物薄膜的钨,铜的浓度最好,它在0.1至1.0范围为野生。%。
In particular, when the refractory metal silicide film is a tungsten silicide film, the concentration of cu is preferable that it is in the range of 0.1 to 1.0 wt. %.
综述了当前难熔金属单晶制备的技术现状,介绍了难熔金属单晶技术进展,并对难熔金属合金单晶前景进行了展望。
Technical progress of refractory metal single crystal processing was introduced and state of the art of single crystal preparation was summarized;
笔者们认为二辉麻粒岩包体是下地壳中某种基性岩发生部分熔融,形成中酸性斑岩后的难熔残体,并且利用微量元素的定量模式计算了部分熔融的程度。
The writers think of the two-pyroxene granulite enclaves as the undissolved renains while some kind of basic rock in crust is partly dissolving and after the mid-acid porphyry formed.
笔者们认为二辉麻粒岩包体是下地壳中某种基性岩发生部分熔融,形成中酸性斑岩后的难熔残体,并且利用微量元素的定量模式计算了部分熔融的程度。
The writers think of the two-pyroxene granulite enclaves as the undissolved renains while some kind of basic rock in crust is partly dissolving and after the mid-acid porphyry formed.
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