3) chemical whitening
化学增白
1.
Taking light calcium carbonate as an example,in order to make its manufacturers understand the measures——how to enhance the product′s whiteness from theories to practice,this paper fully expatiated on various effecting factors of chemical whitening,process of chemical whitening,establishmen.
以轻质碳酸钙为例,为了使生产企业从理论到实践对提高白度的途径有所了解,对化学增白的影响因素、化学增白程序、制定化学增白方案的原则、实验室试验筛选最优方案、工业试验的方法进行了全面阐述,并提出几点行之有效的注意事项,以保证化学增白达到预期效果。
4) chemical sensitization
化学增感
1.
New advances of chemical sensitization to photothermographic materials in present years were reviewed in this paper.
本文综述了近年来光敏热成像(PTG)材料在化学增感方面取得的相关新进展。
2.
The conventional chemical sensitizations (sulfur-, gold, sulfur-plus-gold and reduction-sensitization) were used to sensitize the AgBr emulsions with about 140 nm of grain size, covered in PTG coating with PVA as a binder, in order to examine the effects on sensitivities of PTG materials.
以水性聚乙烯醇(PVA)为粘合剂,以异位法制备的颗粒尺寸为140nm的AgBr乳剂作光敏元,考察了传统化学增感方法对PTG材料的光敏性影响。
3.
This paper presents a brief summary of a study on the chemical sensitization of hi－ speed photographic emulsion performed by potassium thioselemate.
本文扼要介绍了一项关于硒氰酸钾对高速感光乳剂化学增感作用的研究。
5) chemical amplification
化学增幅
1.
Deep UV lithography operating at 248 nm with use of chemical amplification resists has finally become a production technology.
本文从化学增幅技术的产生,深紫外248nm胶主体树脂及PAG发展历程、溶解抑制剂、存在的工艺问题及解决途径多个方面综述了深紫外248nm胶的发展与进步。
6) chemical overgrowth
化学增生
补充资料：工程化学障碍物(见化学障碍物)
工程化学障碍物(见化学障碍物)
engineering-chemical obstacle
习U·上日、11匕I一9 nuQXue Zhang’aiwu工程化学障碍物(engineelsng一ehemiealobstacle)见化学障碍物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条