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- Used in various inks and varnishes, and as an acid resist in photo-engravings. 用制各类油墨和清漆,并用作照相蚀刻版的抗蚀膜。
- Acid resistant Ni-resist or bronze stem nut. 耐酸耐蚀镍合金或青铜阀杆螺母。
- Both oxygen and acid resistance of the partical anaerobes increased. 驯化菌株的耐氧件由专性厌氧变为兼性厌氧;耐酸性由初始酸度pH 5.;5时不生长变为pH 4
- Used for clay bricks, high aluminum bricks masonry in acid resistance furnaces. 用于高炉、热风炉及其它工业窑炉砌筑轻质粘土砖、轻质高铝砖。
- It is suitable to be used as precise resistance standard for metrology units, research institutes, and factories. 适用于各计量机构、科研与生产部门、用作精密电阻标准。
- Development of Acid resisting Cement 抗酸水泥的研制
- It is suitable to be used as precise resistance standard for metrology units, research institutes,factories, and especially for Meggers calibration. 适用于各计量机构、科研与生产部门、用作精密电阻标准,尤其适用于高阻表的检定。
- It is suitable to be used as precise resistance standard for metrology units, research institutes, factory, and especially for Meggers calibration. 适用于各计量机构、科研与生产部门、用作精密电阻标准,尤其适用于高阻表的检定。
- It is suitable to be used as precise resistance standard for metrology units, research institutes, factories, and especially for Meggers calibration. 适用于各计量机构、科研与生产部门、用作精密电阻标准,尤其适用于高阻表的检定。
- The AC/DC standard resistor is a resistance standard, which can be used in calibration of DC resistance and AC resistance. 交/直流标准电阻器为适用于直流及交流电阻校正之电阻标准器。
- Certain colors, due to pigment ingredients, may inherently have very poor sulfuric acid resistance. 某些颜料,由于色素组成成份的性质而导致耐酸性很差。
- It is suitable to be used as precise measuring standard and precise AC/DC resistance standard for factories, colleges, and research institutes. 适用于工厂、学校和科研单位作精密测量及精密交/直流电阻标准。
- Used for clay bricks ,high aluminum bricks masonry in acid resistance furnaces . 用于高炉、热风炉及其它工业窑炉砌筑轻质粘土砖、轻质高铝砖。
- Laser irradiation combined with APF treatment can increase the acid resistance of enamel. 10 0mJ激光照射后再使用 12 .;3g/LAPF可明显增强光滑面及咬合面牙釉质的抗酸性
- Novel acidated resistant of emulsifying sludge RES is presented. 酸化作业中形成的酸渣,会导致储层的永久性损害。
- Objective:To investigate the effect of initiator on pulsed Nd:YAG laser in the acid resistance of human teeth in vitro. 目的:探讨应用增效剂对脉冲Nd:YAG激光提高人牙齿抗酸性能的影响。
- SiO_2 film was coated on the flake aluminum powder by sol-gel method to improve its acid resistance. 采用溶胶-凝胶法在片状铝粉表面包覆SiO_2薄膜,以改善其耐酸性能。 分析了正硅酸乙酯(TEOS)水解-缩聚反应在粒子表面包覆SiO_2膜的形成机理,并以此制备了SiO_2/Al复合粒子。
- It has passed weathering resistance & acid resistance test of state building material test center. 已通过国家建筑材料测试中心的耐候性及耐酸性测试。
- Acid resist: An acid-proof protective coating applied to metal plates prior to etching designs thereon. Dichromate colloid solutions employed in photoengraving provide acid resists through the action of light on the sensitized surface. 抗触膜:在触刻图案前涂在金属版面上的抗蚀保护剂。重铬酸盐胶液是照相蚀刻版(俗称电版)所用的感光液及抗蚀膜。光线的照射引起它的抗蚀作用。
- The discovery of the Quantum Hall effect in a two-dimensional electron system not only provides a new method for determination of the fine-structure constant but also may be used to develop a resistance standard, which will be outlined in the paper. 二维电子系统量子霍尔效应的发现;不仅提供了一种测定精细结构常数的新方法;而且还可用作电阻标准.;本文简要介绍这一领域的概况