The study and application of new low alkali content expanding admixture for concrete is mainly introduce.
主要介绍了新型低碱膨胀剂的研究和应用。
The relationships between the total alkali content, water soluble alkali content, effective alkali content and the expansion of mortar bars were examined.
讨论了总碱量、可溶性碱量和有效碱量与膨胀率的关系。
There is little effect for the soluble alkali content in cement paste when the dosage of aminosulphonate based superplasticizer is greater than its saturated amount.
当氨基磺酸盐高效减水剂掺量大于其饱和掺量时，则基本上可以不考虑可溶碱含量对水泥浆体流动度的影响。
Taking into consideration of importance of Xiluodu project and concrete durability, alkali content in cement and total alkali content in concrete must be limited strictly.
从溪洛渡水电站工程的重要性及混凝土耐久性方面考虑，工程应严格控制水泥的碱含量及混凝土中的总碱量。
Taking the design and calculation of the mixture ratio of C30 concrete as the example, this paper introduces the method for controlling the total alkali content in the concrete.
以C30混凝土配合比设计计算实例，介绍了混凝土配合比中碱含量的控制方法。
The results show that there is a good relation between the expansion caused by alkali - silica reaction (ASR) and the water soluble alkali content or the effective alkali content.
结果显示，由碱硅酸反应（ASR）引起的膨胀与可溶性碱量和有效碱量之间有很好的关系。
Whereas the complexity of alkali-aggregate reaction and in order to guarantee the durability and use security of concrete, it should strictly control the alkali content of cement.
鉴于碱-骨料反应的复杂性，为了确保混凝土的耐久性和使用安全，需要严格控制水泥的含碱量。
Only the alkali content of concrete is controlled scientifically, it is possible that both the safety of concrete buildings is ensured and natural resource is utilized effectively.
只有科学地控制混凝土的碱含量，才能既保证混凝土建筑物的安全性，又有效地利用资源。
The alkali contained in cement comes mainly from clinker, and the major factors influencing the clinker alkali content are the alkali contents in limestone and clayey raw material.
水泥中碱含量主要来自熟料，影响熟料减含量的主要因素是石灰石和粘土质原料中的碱含量。
Sodium hypochlorite solution has been prepared by chlorine and sodium hydroxide, the content of free alkali should be controlled at about 10.8%, and the effective chlorine at about 8.0%.
以氯气和氢氧化钠为原料制备次氯酸钠溶液，控制其中游离碱含量在10.8%左右，有效氯在8.0%左右。
Because we will control the content of alkali in clinker, although the clinkerability of high silicon low alkali gritstone composition is insufficient a little, but it's a good composition.
从控制熟料中碱含量的角度出发，高硅低碱砂岩配料虽然易烧性略差，但仍不失为一个好的配料方案；
Objective To observe the relationship between morphological mutation of rabbit cornea after cornea alkali burn and the variation of collagenase content in lacrima.
目的观察兔角膜碱烧伤后形态学变化与泪液中胶原酶含量变化间的关系。
The alkali hydroxide co-precipitation for low content water sample is employed to simplify the sample enrichment process and the monitoring sensitivity is improved.
对低含量水质样品采用了碱金属氢氧化物共沉淀，简化了样品富集程序，提高了测试灵敏度。
The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
The fatliquor has good stability in acid, alkali, salt and hard water, high content of active substance, and strong combining force with leather.
该加脂剂在酸、碱、盐、硬水中稳定性良好，活性物含量高，与皮革纤维结合能力强。
The content of salt and alkali in soil in Hexi region was high.
河西地区土壤盐碱含量高，一般草坪草种不易成坪。
The influence of alkali pretreatment under ultrasonic on surface cyclic trimer content of superfine polyester fiber using high temperature high pressure dyeing process has been studied.
研究了超声波作用下碱预处理对聚酯超细纤维高温高压染色后表面环状三聚物含量的影响。
The content of soluble alkali in cement paste is lower than the optimal one.
水泥中所含可溶碱含量低于最佳可溶碱含量。
The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品，逸出的氨被吸收后通过酸碱滴定测定其含量。
The results showed that alkali lignin of rice straw is a good fertilizer raw material. It has high dissociable humic acid content and good fertilizer efficiency.
结果表明，稻草碱木素具有较高的游离腐殖酸含量，其活性高，肥效好；
The content of protein in tea is 15-30%, most of which is water insoluble but alkali soluble.
茶叶中含有15%-30%的蛋白质，其中大部分不溶于水，易溶于碱。
It is shown from the analysis of glass ingredients of different glass substrates that the alkali metal content in glass may affect the photocathode sensitivity.
通过不同玻璃基底玻璃成分的研究，证明玻璃中的碱金属的含量会影响到光阴极灵敏度的高低。
I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.
用碱熔法使海带中的碘以i-形式转移到溶液中，然后在酸性条件下用过氧化氢氧化，三氯甲烷萃取，经分光光度标准曲线法测得海带中碘含量大约为426。
Describing igneous rocks with a high content of the alkali metal oxides.
描述有高含量碱金属氧化物的火成岩。
A new chalcogenide glass system containing higher content of alkali metal ions was developed.
开发了有高含量碱金属离子的新型硫化物玻璃。
The chickpea protein isolate was prepared by alkali extraction and acid precipitation. The protein content was 91.53%.
碱溶酸沉法制备鹰嘴豆分离蛋白质，其蛋白质含量为91.53%。
The result showed the different acid and alkali additives had the different influence on the NaCl content of salted egg. The quality of the salted egg was improved by two phases techniques.
结果显示：不同的酸、碱添加剂对缩短咸蛋加工时间有不同的影响，并通过采用二段式加工工艺使咸蛋品质得到很大提高。
The result showed the different acid and alkali additives had the different influence on the NaCl content of salted egg. The quality of the salted egg was improved by two phases techniques.
结果显示：不同的酸、碱添加剂对缩短咸蛋加工时间有不同的影响，并通过采用二段式加工工艺使咸蛋品质得到很大提高。
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