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黑色
    More on the Black Chemical Oxidation of Stainless Steel
    再谈“不锈钢的黑色化学氧化”
    The black and naked-neck chickens of France
    法国的黑色裸颈鸡
    Study on the Origin of the Dolostone Intercalcated in the Black Shales in Middle Permian Lucaogou Formation Eastern Part of Southern Margin of Junggar Basin
    准噶尔盆地南缘东部中二叠流芦草沟组黑色页岩中白云岩夹层的成因探讨
    Studies of the Black Molybdate Conversion Film on Stainless Steel
    不锈钢上黑色钼盐转化膜的研究
    The results obtained by the authors show that the black shalesof Lower Cambrian Niutitang Formation yield a Re-Os isochron age of 537±10Ma.
    笔者对华南下寒武统牛蹄塘组黑色页岩开展了Re-Os 同位素定年研究,获得的等时线年龄为537±10Ma。
    The results obtained by the authors show that the black shales of Lower Cambrian Niutitang Formation yield a Re-Os isochron age of 537±10 Ma.
    笔者对华南下寒武统牛蹄塘组黑色页岩开展了Re-Os同位素定年研究,获得的等时线年龄为537±10Ma。
    1.The prepare condition of NiFe_2O_4 adopted in this dissertation is solid phase calcination at 1200℃for 4 hours in the air. The black prepared powder is tested by XRD and is confirmed pure.
    1.在空气气氛中,以Fe_2O_3和NiO为原料,采用固相煅烧的方法在1200℃煅烧4h得到黑色NiFe_2O_4粉末,经过XRD测试表明黑色粉末为纯的NiFe_2O_4。
    The white structure was residual austenite(HV_(0·2)300kgf/mm~2),but the black structure was tempered martensite and residual austenite(HV_(0·2)620kgf/mm~2).
    研究表明:白色组织为残余奥氏体,其显微硬度为 HV_(0.2)300kgf/mm~2,而黑色组织为回火马氏体和残余奥氏体,其显微硬度为 HV_(0.2)620kgf/mm~2。
    The black weathering product in the ore is rich in secondary rare-earth minerals, the partition values of Eu and Y of which are higher than those of the ore and bastnaesite.
    矿石中的黑色风化土状物富含次生稀土,其Eu、Y配分值比矿石、氟碳铈矿都高。
    Manganese marl in the black shale of the Modaoxi Formation (Middle Ordovician ) shows negative δ~(18)C values ranging between -1.70 and -6.56‰, and δ~(18)O values between -11.67 and -14.00‰.
    磨刀溪组黑色页岩(中奥陶世)中的Mn-泥灰岩显示负的δ~(13)C值(—1.7~—6.56‰PDB)和δ~(18)O值(—11.67~—14‰PDB)。
    The content of diamond in the black solid product collected from the wall of the container after detonation was 27~30%.
    爆炸后在容器壁上收集到的黑色固体产物中金刚石含量为27~30%。
    The ore and the black weathered minerals are rich in cerium family RE (∑CeO2>90%, CeO2>La2O3>Nd2O3).
    矿石和黑色风化物中稀土都强烈选择铈族稀土,∑CeO2在90%以上,且CeO2>La2O3>Nd2O3。
    Of the three groups the black sphalerites have the highest Cu, Pb, Ag, Au and Fe contents,the lowest Zn content and the highest δ34 S ; the light-coloured sphalerites have the lowest Cu, Pb,Ag, Au and Fe contents, the highest Zn content and the lowest δ34S ; and the brown sphalerites are intermediate between the above two.
    在三种颜色组中,黑色门锌矿Cu、Pb、Ag、Au和Fe含量最高,Zn最低,δ34S值最大;
    For the first time, the black diamonds with high rich boron were synthesised using B 4C as a carbon source under high-temperature and high-pressure, and under the catalytic effect of transitional metal alloys, which is different from the traditional method that graphite is used as a carbon source.
    与传统用石墨作碳源不同,首次用B4C作碳源,在高温高压与过渡金属合金触媒作用下,合成出高含硼黑色金刚石。
    No 5 coal seam has a positive relationship with K 3 sand body in thickness, and the sulphur contents of No 5 coal seam have an obvious positive relationship with the ratio of the thickness of the black mudstone between No 4 and No 5 coal seam to that of K 3 sand body.
    5#煤层厚度与下覆K3砂体呈一定的正相关性,4#煤层硫分特低,5#煤层硫分变化很大,大于0.5%的硫分含量与4#~5#煤层间黑色泥岩和K3砂岩厚度比呈正相关。
    It was found through the compounding test and weather test that under the sunlight the black compound with antioxidant 4010NA turned red ,the one with antioxidant D and BLE discolorated slightly and the one with antioxidant RD,antioxidant 4020 and wax didn′t discolorate.
    对几种防老剂进行了配合试验和天候老化试验,发现防老剂4010NA能使黑色胶料在日光曝晒下变红,防老剂D和BLE能引起胶料轻微变色,防护蜡和防老剂RD及防老剂4020则不会使黑色胶料变色。
    The black electrolytic coloring process of 1Cr17 ferrite stainless steel and the formed film's electrochemical behavior have been studied.
    对1Cr17 铁素体不锈钢电解着黑色工艺和膜层的电化学性能进行探讨。
    It indicates that the black fine denier DT yum can be pro-duced on local made VC406A and VC443A spinning machines with suitable process parameters.
    实践表明,采用国产VC406A型纺丝机与VC443A型拉伸机,选择合适的加工条件,生产黑色细旦DT丝是完全可行的. 在选择工艺参数时应考虑色母粒对纺丝生产的影响.
    The observations of the microclimatic condition in the greenhouse with the shade nets show that the permeability of the black shade nets of model SZW 12 ranges between 55% and 77% with the average 69%.
    通过 3个晴天 ,对遮阳网大棚内小气候进行观测 ,结果表明 :黑色SZW -12型遮阳网遮光率为 5 5 % -77% ,平均为 6 9% ;
    The black crystals in the shape of hexagonal prism were obtained when FeSO 4·7H 2O were added into the reaction medium.
    当在反应介质中加入FeSO4·7H2 O时 ,水热反应生成黑色α Al2 O3 晶体 ,晶体呈六棱柱体。
 

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