Results 81 to 90 of about 605,908 (126)

Surface modification of zinc sulfide concentrate and coupling process of leaching with solvent extraction

open access: yes, 2006
为了解决在浸出和溶剂萃取耦合过程中硫化锌精矿颗粒的夹带而造成的有机溶剂的损失问题,本论文进行了硫化锌精矿的表面改性研究。 建立了描述有机溶剂损失与溶液表面张力之间关系的数学模型,通过测量溶液的表面张力可以预测有机溶剂的损失。 通过十六烷基三甲基溴化铵、十二烷基硫酸钠、十二烷基磺酸钠、多聚磷酸钠、海藻酸钠、十二烷基苯磺酸钠、油酸钠、木质素磺酸钠、聚乙烯醇、六偏磷酸钠对硫化锌精矿进行表面改性的研究和筛选适合硫化锌精矿的表面活性剂为海藻酸钠、木质素磺酸钠与聚乙烯醇。 考察了改性时间、搅拌强度、液固比 ...
彭鹏
core  

[Bioactivity of multi-matrix bioceramic root canal sealer: An <i>in vitro</i> study]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Lyu W, Bai W, Wang X, Leung Y.
europepmc   +1 more source

[Expert Consensus on the Clinical Application of Sodium Cantharidinate and Vitamin B6 Injection]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi
Lung Cancer Specialty Committee of Chinese Elderly Health Care Association.
europepmc   +1 more source

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