The properties of black gold layers have been investigated, and the results show that black gold layers are an efficient absorber in infrared spectral region.
通过在N2 气中蒸发金 ,成功地制备出金黑吸收层 ,并测试了金黑层的若干性能 ,结果表明金黑是一种优良的吸收红外线的材料。
Presents two factors of black body cavity′s accuracy according to Kirchhoff′s law,and gives a theoretical equation of these factors.
根据基尔霍夫理想黑体“腔体密闭性”和“腔体等温性”两项原则，提出由腔体密闭和等温程度所决定的黑体空腔精度两个分量的新概念，并给出这两个分量的理论公式。
The necessity of distingshing the longwave and shortwave sensitivity of this apparatus is discussed at first, and then the standard equipment of the improved black body radiation is introduced.
讨论了区分净全辐射表长波和短波灵敏度的必要性，介绍了改进后的检定净全辐射表长波灵敏度的辐射黑体标准装置。
The radiation efficiency of cooperative system has been investigated with numerical calculation,in which the target has been regard as black body.
研究了合作目标系统中,当目标辐射为黑体辐射时最大辐射效率。
BF-50B Blackbody Radiator;
BF-50B黑体辐射源标准装置的研制
Design of High Accurate and Reliability Measure Temperature Circuit for Blackbody on the Track;
高精度高可靠性的在轨黑体测温电路设计
The method takes the following steps: (1)to calculate the distribution of the effective emissivity of the subcavity, (2)to calculate the distribution to subcavity opening of the effective emissivity of the subcavity l and (3)to calculate the integrated emissivity of a multi -celled large-area blackbody.
面黑体的积分发射率是面黑体的重要辐射特性。
Black-body and White-body:The Build-up of A Spatial Model Of High-rise Building Complex With Library and Archives In Baiyun District,Guiyang
黑体与白体——贵阳市白云区图书档案馆高层文化综合体空间模型的建立
For example,the difference between photoelectric effect and Compton effect;the wave function expressed by the complex number and,the color of black-body.
《大学物理》课近代物理部分中的一些概念难以理解,如光电效应和康普顿效应的本质差异、波函数的复数表示、黑体的颜色,基于这些问题,给出详细的分析,得出相关的结论。
"After the excess niello is scraped away, the surface is polished."
将多余的黑金刮掉,再将表面拋光。
To carry out political reforms and put an end to money politics.
进行政治改革，结束黑金政治；
You can buy gold coin on the black market.
你能从黑市上买到金币。
You can buy gold coins on the black market .
你可在黑市上买到金币。
easel ,metal, for blackboards or maps
金属黑板架或地图架
black-coated metal chart
黑色涂层的金属卡片
To decorate or inlay with niello.
用黑色合金装饰或镶嵌
He buy gold coin on the black market .
他在黑市上购买金币。
Dark lady and fair man.
黑发夫人和金发先生[21]。
cold-rolling mill for ferrous or non-rerrous metals
黑色或有色金属冷轧机
ferrous and nonferrous rivet
黑色及有色金属铆钉
mill, hot rolling for ferrous or non-ferrous metals
黑色或有色金属热轧机
Research on Precision Diamond Cutting of Ferrous Metals;
黑色金属的金刚石精密切削技术研究
Metallic materials are divided into ferrous and non-ferrous metal and alloys.
金属材料可分为黑色的和非铁的金属和合金。
Study of Fluid Inclusions of Beidagou Gold Deposit in Heihe City,Heilongjiang Province
黑龙江省黑河市北大沟金矿床流体包裹体研究
Metallurgical workers always try to replace the nonferrous metals with some ferrous alloys .
冶金工作者总是试图用黑色金属合金代替有色金属。
Hand-assembled, true to life in hand-painted duotone Smokey Gold Pearl and Vivid Black.
手工组装，手工涂装-烟熏珍珠金（槟金）深黑。
Suitable for the welding and stainless steel, carbon steel, alloyed steel etc.
适用于不锈钢、钢、金钢等黑色金属材料的焊接。