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- microphone carbon powder 传声器用碳精粉
- Stibnite red glass was prepared taking sulfur powder and antimony powder as colorant, using carbon powder as reducing agent. 选择硫粉,锑粉为着色剂,以碳粉为还原剂,制备出了硫化锑红色玻璃,并对其光谱性能进行了研究。
- The trace amount of gold, platinum, palladiumm and thallium in hydrochloric acid solution can be concentrated by sulfhydryl group carbon powder. 研究了巯基活性炭在盐酸介质中对金、铂、钯和铊的吸附能力。
- Activated carbon powder and alloy powder is added into the thermite at the time of preparing CLSP(ceramic-lined steel composite pipe). 在制备陶瓷内衬复合钢管时,在铝热剂中加入活性碳粉、合金粉末,使原来纯铁过渡层成为钢过渡层,硬度大幅度提高,从而使钢管抗压强度明显提高。
- The effects of active carbon powder,decolorization temperature and adsorption time on decolourization of zein were studied by orthogonal experiments. 采用正交试验法,用粉末活性炭对玉米醇溶蛋白提取液进行脱色处理,比较粉末活性炭用量、脱色温度和吸附时间等因素对脱色结果的影响。
- Sweat corrodes metal, so Bond applied an electrical charge and a fine carbon powder to a gun's corroded part, revealing a fingerprint pattern. 因为汗液可腐蚀金属，邦德把电荷和碳粉用于枪上被腐蚀的部位，就会出现指纹的图案。
- In order to improve environment and utilizing resources rationally, the coal cinder from power plant, bauxite and carbon powder are palletized. 为改善环境,合理利用资源,应用粉煤灰、铝土矿、碳粉混合造球,球团干燥后放入中频感应炉进行熔炼,熔炼过程中加入铁矿粉和生铁块。
- Amorphism can occur when carbon powders are refined further. 当作用时间较长时，碳粉会发生无定形化。
- In this study,the TiO2 photocatalyst modified with Active Carbon Powder was investigated and the photocatalytic decomposition of 2,4-dichlorophenol was also carried out. 在本文中,研究了利用活性炭粉末对TiO2光催化剂进行改性,并用此催化剂对2,4-二氯苯酚进行光催化降解。
- The research shows that the carbon absorption rate can be up to 90% approximately by using the pretreated carbon powder and precast block penetration method. 研究表明,经过预处理的碳粉,采用预制块压入法可使碳的吸收率稳定在90%25左右。
- The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder. 提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。
- Methods Tracheae and large inestine smooth musles were tested in vitro and large intetine were tested with propulsive action of carbon powder in vivo in the same time. 方法采用豚鼠离体气管和离体肠平滑肌实验、在体大肠炭末推进实验。
- In this polymer, 30% carbon powder was used as crossframe and MBIN was crosslinker.Experiment shows those polymer were good profile control agent in water well and oil well. 在该种聚合物合成中掺入了30%25粉煤灰颗粒作骨架,N,N-二甲基丙烯酰胺(MBIN)作交联剂,这种聚合物适于油田注水井及油井堵水调剖用。
- Methods neostigmine-bearing and atropine-bearing mice were made, and movement of carbon powder in intestines was observed to assess the intestinal movement. 方法以新斯的明负荷、阿托品负荷小鼠为实验研究模型，应用小鼠肠内容物炭末推进实验，观察肠安颗粒对肠道运动的影响；
- Speak clearly into the microphone. 对著话筒说清楚些。
- Methods:Carbon powder was used to observe the movement of small intestine of mice(given Sinisan through stomach) and mice(given Sinisan and neostigmine through stomach). 方法:采用炭末推进法,测定灌服四逆散的正常小鼠小肠及灌服新斯的明和四逆散的小鼠小肠的炭末推进百分率。
- The lecturer speaks through a microphone. 演讲者通过麦克风说话。
- He is talking into a microphone. 他正在对着麦克风讲话。
- The surface of nanometer calcium carbonate powder was modified with resin and stearic acid. 用树脂和硬脂酸改性纳米碳酸钙。
