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1)  low alkali
低碱
1.
Research for the application of the low alkali and micro-expansive steel fibre reinforced concrete in Jinwei highway project;
低碱纤维微膨混凝土在津围公路工程中的应用研究
2.
The result express it is a better technical programme that regard ZY101 as the dominant factor to assist xantbate under the low alkali.
结果表明,以ZY101为主、辅助黄药在低碱条件下的技术方案更优,其试验指标为锌精矿主品位48。
3.
The characters of this admixture are as follows:liquid,chloride-free,low alkali content,low dosage and pumpable.
介绍了一种新型混凝土早强防冻剂,该类产品为液体型,具有不含氯盐,低碱,小掺量,可泵送等特点。
2)  low alkalinity alcoholysis
低碱醇解
3)  Low-alkali cement
低碱水泥
1.
The production of low-alkali cement by using low-grade limestone;
利用低品位石灰石生产低碱水泥的研究与实践
2.
Through comparative test more successful in resolving the low-alkali cement additives and the compatibility issues,thus successfully prepared a good performance durability of concrete.
以润扬长江公路大桥悬索桥南索塔混凝土施工为背景,就南索塔高性能混凝土技术进行论述,通过大量对比试验较好地解决了低碱水泥与外加剂的相容性问题,从而成功制备出耐久性良好的高性能混凝土。
4)  heavy alkali of less salt
低盐重碱
1.
The improved determination method to determine the NaCl of the heavy alkali of less salt is described in the paper,its accuracy and feasibility are verified by test,and the improved method can get good results.
文章针对纯碱企业低盐重碱分析中氯化钠含量难以准确测定这一难题,提出了加大称样量、加热除氨、硝酸中和除二氧化碳的改进方法,并通过实验对改进方法的可行性和准确性进行了验证,取得了满意的效果。
5)  low alkalinity
低碱度
1.
Study of flotation process with low alkalinity on a copper sulfide deposit;
某硫化铜矿低碱度浮选工艺研究
2.
According to the water quality of low calcium hardness and low alkalinity, the performance of corrosion and scale inhibitor, GD-318 has been studied by the methods for doing the static scale inhibition test, corrosion tests, rotary hanging sheet corrosion test and dynamic simulated test.
根据低硬低碱度水质的特点,通过静态阻垢试验、旋转挂片腐蚀试验和动态模拟试验筛选出GD-318缓蚀阻垢剂,并对其缓蚀阻垢性能进行了研究与评价。
3.
The low alkalinity sulphoaluminate cement is one kind of ordinary sulphoaluminate cement series, and mainly used for GRC manufactures.
低碱度硫铝酸盐水泥是硫铝酸盐水泥系列中的一个品种,是GRC制品的主要原材料。
6)  lowalkali method
低碱法
补充资料:低碱陶瓷
分子式:
CAS号:

性质:主晶相为莫来石(3Al2O3·2SiO2),并含少量钙长石(CaO·Al2O3·2SiO2)、钡长石(BaO·Al2O3·2SiO2)晶相所组成的陶瓷材料。其特点原料来源充足,成本低。瓷体含氧化钾、氧化钠量较少(R2O≤1.2%),在直流负荷下老化后电阻值变化较小。相对介电常数≤8[1MC,(20±5)℃)。击穿强度大于8kV/mm。体积电阻率大于10Ω·cm。抗折强度大于78MPa。主要原料为高岭土、石英、方解石,碳酸钡等,可用一般陶瓷工艺制造。可用于制作高温和高稳定性碳素膜、金属膜、沉积膜电阻器基体。

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