salt-free process

New process for preparation of Al-Sr alloys by molten salt electrolysis and its feeding study on period

熔盐电解生产Al-Sr合金的新工艺及其加料周期

Sieving is an important process in the chemical production of salt. People grade the products and guarantee the product quality through sieving, especially in the refined salt, and the crush salt production process to make the diversification of the products through sieving.

筛分是盐化工生产中的一个重要工序，通过筛分实现产品分级，并保证产品质量，特别是在精制盐、粉碎盐生产过程中，通过筛分实现产品的多样化。

The process factors of staining salt during workpiece preheating with salt washing are analyzed.

分析了造成工件盐浴加热时沾盐问题的工艺因素.

Co-Production Process of Salt and Glauber's Salt with Thermal Circulation Process for NaCl-Na_2SO_4-H_2O System

NaCl-Na2SO4-H2O体系热循环法盐硝联产工艺

Improvement of the Process for Base Zinc Salt of Dioctyl Thiophosphate

硫磷双辛基碱性锌盐生产工艺的改进

Results: The universal rate of civil eating iodine salt is 98 75%. The eligible rate of iodine salt process is 100%, retail 100% and resident eating 98 75% respectively.

结果：全民普食碘盐覆盖率达98.75%，碘盐加工、零售、居民食用合格率分别为100%、100%、98.75%。

In this case, ITO precursor slurries were prepared by organic and inorganic sol-gel methods using metal indium and tin salt as raw materials. A dip-coating process was performed to deposit ITO precursor slurry on the substrate.

本文以锡的无机盐和金属铟为原料，分别通过有机法和无机法制备出ITO前驱物浆料，采用浸渍提拉法在玻璃基片上涂覆薄膜并经过热处理得到ITO薄膜样品。

Qualtycontrol and testing procedures in the process of chelate salt production are discussed.

此外还对螯合盐生产过程中的质量控制及检测方法进行了探讨。

Through water pressure test, ammonia leakage test and field high temperature melted salt cycle test, it is shown that the tube joint welding quality meets completely the design and process demands.

经水压试验、氨渗漏检验及现场高温热熔盐循环试验，焊接接头质量完全达到设计及工艺要求。

Inorganic acid is substituted with cyanuric acid to synthesize organic lead salt. Auxiliary heat stabilizer and multi-function assistants with synergistic effect are selected. Specially for the processing of PVC plastics, XDW high-efficiency multifunction organic lead-salt compound stabilizer is prepared by reasonable formula and special process.

以氰尿酸替代无机酸合成有机铅盐，选择具有协同作用的辅助热稳定剂和多种功能性助剂，通过合理配方和特殊工艺制成PVC塑料加工专用XDW高效多功能有机铅盐复合稳定剂。