alkali reaction
英 [ˈælkəlaɪ riˈækʃn]
美 [ˈælkəlaɪ riˈækʃn]
网络 碱性反应
双语例句
- Part of the roof has caved in
屋顶有一部分塌了下来。 - Research on the effectiveness of flyash in restraining alkali aggregate reaction
粉煤灰抑制骨料碱活性反应的有效性研究 - Experimental research on the worst point effect of hydraulic concrete alkali aggregate reaction
水工混凝土碱骨料反应最劣点效应试验研究 - On the Potential Danger of Alkali Aggregate Reaction of Concrete
我国混凝土潜在碱骨料反应危险性分析 - Alkali aggregate reaction ( AAR) is one of the important factors that affect the durability of concrete structures.
混凝土碱-骨料反应（AAR）是引起混凝土耐久性下降的主要原因之一。 - The treatment measures for alkali aggregate reaction are proposed and the concrete structure that has been damaged should be reinforced.
指出了对遭受破坏的混凝土结构应加固处理的补强方法。 - The state of the art of studies on durability of concrete structures is introduced, which include that there are carbonation of concrete, alkali aggregate reaction, freeze thaw of concrete, corrosion by choric salt, durability of concrete members and durability of concrete structures.
同时还系统地介绍了混凝土结构耐久性研究的主要内容，包括：混凝土的碳化、碱-集料反应和冻融破坏、氯离子侵蚀、钢筋锈蚀、混凝土构件耐久性和混凝土结构体系耐久性； - A kind of green high performance concrete was manufactured and its penetration, alkali aggregate reaction, workability and strength were studied in this paper.
研究了一种由固体碱为激发剂制备的碱-矿渣-高钙粉煤灰渣新型胶凝材料配制的绿色高性能混凝土的渗透性、碱集料反应、工作性与抗压强度。 - M-Anisidine was synthesized from m-aminophenol by acetylation, methylation and alkali hydrolysis reaction in yield of 90.7%, 82.8% and 88.2%, respectively.
以间氨基苯酚为原料，经乙酰化、甲基化和碱水解合成了间氨基茴香醚，3步反应的收率分别为90.7%，82.8%和88.2%。 - Granular cold-water-soluble waxy maize starch was prepared by alcoholic-alkaline treatment. The effects of concentration of starch, quantity of alkali and reaction time on cold-water solubility of starch were analyzed by response surface central composite design.
采用酒精碱法制备颗粒状冷水可溶糯玉米淀粉，并应用响应面中心组合设计研究了淀粉乳浓度、碱用量、反应时间对颗粒状冷水可溶糯玉米淀粉冷水溶解度的影响。 - Aggregate reaction polluted by MgO whose harm to concrete is similar to alkali carbonate reaction.
受氧化镁（MgO）污染的骨料反应对混凝土造成的损害类似于碱碳酸盐反应。 - The demolition of concrete project has become worldwide problem and the alkali aggregate reaction is one of them.
针对混凝土工程的毁坏已成为全球性的大问题，而碱&骨料反应毁坏则是其中之一。 - It is also shown that by adding mineral admixture the alkali aggregate reaction will be inhibited.
矿物掺合料可抑制碱集料反应。 - Mechanism and prevention of alkali dolomite reaction
碱-白云石反应机理与预防 - The dynamics of alkali silica reaction ( ASR) and some major parameters of testing method for determining ASR reactivity of aggregate were systematically investigated, which included reaction temperature, period, concentration of alkali solution, cement to aggregate ratio, and alkali content of cement etc.
较系统地研究了集料碱硅酸反应动力学和碱活性检测方法中的一些主要参数，其中包括反应温度、反应时间、养护碱浓度、灰砂比、水泥碱含量等。 - The pH of rumen contents average about 7 was always slightly below that value, however, often appeared weak alkali reaction in grazing period.
实验山羊的瘤胃内容物pH值，一般波动于7左右而略偏酸性，放牧期往往呈微碱性。 - RESULTS: Compound materials of collagen/ calcium and phosphate salt which were synthesized by alkali reaction showed that film like adhesion was formed between the cross linking fibrous bundles of the collagen.
结果：观测碱式反应法合成胶原-钙磷盐复合材料：胶原交联纤维束间形成薄膜状粘连。 - The Study on Alkali Aggregate Reaction and Performance of Concrete by Fuzzy Neural Networks
运用模糊神经网络研究碱集料反应和混凝土性能 - ? The forms of alkalis in concrete, cement and other ingredients have been analyzed, and the effect of the forms of alkalis on the alkali aggregate reaction ( AAR) is also discussed.
论述了混凝土和水泥及其它组成成分中碱的存在形式，及不同形式的碱与碱-集料反应之间的关系。 - Based on the test data of the alkali resistance of 3 types of glass marbles, the activation energy in the alkali erosion reaction is calculated and the results of calculation are discussed.
从一些试验人员对3种玻璃球耐碱性测试的数据，做出反应活化能的计算，并对计算结果进行了讨论。 - ? The durability of concrete is influenced by alkali aggregate reaction ( AAR).
碱-集料反应综述碱集料反应是影响混凝土耐久性的重要方面。 - Study on Inhibiting Alkali Carbonate Reaction
抑制碱-碳酸盐反应膨胀的研究 - Scaffolds with mixed structure obtained by rapid prototyping technique showed that patchy granules of calcium and phosphate salt synthesized by alkali reaction were deposited on the surface of collagen sponge at last.
快速成形工艺获得混杂结构支架可见：最后用碱式反应法合成的片状钙磷盐颗粒沉积在胶原海绵的表面。 - Damage features and analysis of siliceous carbonate alkali aggregate reaction
硅质碳酸盐碱集料反应破坏特征与分析 - It is evidenced that the effect of available alkalis in concrete on alkali aggregate reaction is the key of factor. The leaching method for determining available alkalis of concrete is introduced. The progress of search on the leaching method for determining available alkalis of Concrete is discussed.
引证了混凝土有效碱是影响碱集料反应的关键因素，介绍了溶出法测定混凝土有效碱试验方法，讨论了溶出法测定混凝土有效碱的研究进展。 - In this paper, we inquire into influence of alkali fusion reaction on H-acid ( 1-Amino-8-naphthol-3,6-disulphonic acid monosodium salt) yield and quality, and put forward new measure to control side reactions, which can increase H-acid yield from 43.3% to 47.8%.
探讨了碱熔反应对H酸收率和质量的影响，提出了控制副反应产生的措施，采用新措施后H酸收率从43.3%提高至47.8%。 - Recent Progress of Studies on Alkali Aggregate Reaction
碱集料反应研究的新进展 - Mix Metakaolin as a highly active mineral admixture in concrete can reduce or eliminate alkali aggregate reaction, increase strength, density, acid and alkaline resistance, and anti-acid.
偏高岭土作为高活性矿物掺合料应用于混凝土中，具有减轻或消除碱骨料反应，提高混凝土的强度和密实性、抗碳化能力和耐酸碱性等优点。 - The research investigated the influence of the amount of alkali, reaction temperature, the amount of catalyst, hydrogen partial pressure, cobalt ion concentration, and high-temperature solid-phase hydrogen reduction on the ultrafine cobalt powder performance.
考察了碱加入量、反应温度、催化剂用量、氢气分压、钴离子浓度、以及高温固相氢还原对超细钴粉性能的影响。 - Based on different carbon chain length of fatty acids ( AR) and lactic acid, alkali reaction to produce various carbon chain length of fatty-2-lactylate, then by purification system getting products.
本文以不同碳链长度的脂肪酸（AR）与乳酸、碱反应，经纯化制得各种碳链长度脂肪酰乳酸钠。