1.
Preventive Effect of Low Alkali Portland Cement on AAR
低碱水泥对碱-集料反应的抑制作用
2.
Study on the Production of High Quatity Low Alkali Cement and Compound Potassium Fertile Useing High Alkali Raw Materials;
高碱原料联产优质低碱水泥及复混钾肥的研究
3.
Performance Research of Weakly Alkalinity Alkali-Activated Slag Cement Immobilsing Nuclear Wastes;
低碱度碱矿渣水泥固化放射性废物性能研究
4.
Research on Multiple Chemicals Applicable to Water with Low Hardness and Alkalinity
适合低碱低硬度水的复合缓蚀阻垢剂的研制
5.
Research and Studies of the Production Line of Pre-decomposed Low-alkali Cement for Pleateau;
高原预分解低碱水泥生产线开发研究
6.
Produce low alkali cement with wet fly ash
用湿排粉煤灰代替黏土生产低碱水泥
7.
3.5 Reduce calcium ion below 100 ppm by adding Soda Ash.
加入纯碱以降低钙离子浓度到低于100ppm。
8.
The lowest pH value in acid rain measured for the entire year was 3.7.
全年测得的酸雨最低酸碱度为３．７。
9.
This lowers the water table and reduces soil alkalinization.
这可降低水位,减少土壤的碱份。
10.
The alkaline solution may help to reduce acidity.
碱性溶液有助于降低酸度。
11.
A STUDY OF A.C. ARC STABILITY OF LOW-HYDROGEN BASIC ELECTRODES
碱性低氢电焊条交流稳弧性试验研究
12.
Improvement of Resistance Ability of Coke and Reduction of the Cost
焦炭抗碱能力的提高及其成本的降低
13.
The Chemical Characterization of Marine Low-temperature Alkaline Protease;
海洋低温碱性蛋白酶的化学特性研究
14.
The study on decreasing of wastewater pollution by separation ephedrin polysaccharides and chllophy;
降低生产麻黄碱废水污染的工艺研究
15.
Alkaline Decomposition of the Combined Concentrate of Scheelite and Wolframite under Microwave-assisted Condition
微波辅助碱分解低品位黑(白)钨精矿
16.
Experimental study on alkali leaching of a low grademolybdenum oxide concentrate at atmospheric pressure
低品位氧化钼精矿常压碱浸试验研究
17.
Study on a New Process for Alkalline Smelting Bismuth Sulfide Concentrate at Low Temperature
硫化铋精矿低温碱性熔炼新工艺研究
18.
Solvent extraction of trace Au(Ⅰ) from alkaline cyanide solution by N503/TBP system
用N503/TBP从碱性氰化液中萃取低浓度金