速凝劑 的英文怎麼說
中文拼音 [sùníngjì]
速凝劑
英文
accelerater-
Hydrotropic solution of calcium chloride is the important cryogen for refrigerator and ice making. it is also a good anti - freeze agent and agglomerating agent in construction for concrete hardening and cold hardiness of sand mortar
氯化鈣水溶液是冷凍機用和製冰用的重要致冷劑,基建上能加速混凝土的硬化和增加建築砂漿的耐寒能力,是優良的建築防凍劑凝結劑。Shotcrete - rock bolt support and concrete lining are important parts of timbering structures in modern tunnel construction, and there are also essentials for natm. the intensity difference of concrete is big because of the big randomicity at the aspects of material, metage of additive, mix round, ratio of water and lime, spray construct and water maintain
由於噴射混凝土和二次襯砌在拌和料、外加速凝劑的稱量、拌勻以及水灰比的配比、在噴射作業及灑水養護上都存在著很大的隨機性,其強度的差異也較大。Factors which can accelerate the early hydration of cement, the setting in particular, such as excessively high c3a content, too low so3 content, high alkali content and the blending of pozzolana with large inner specific surface area, etc., will result in poor compatibility of the superplasticizer with cement
凡是加速水泥初期水化的因素,特別是使水泥凝結加速的因素如c3a含量過高、 so3摻量過少、堿含量高以及摻入內比表面積大的火山灰質混合材等均使水泥與超塑化劑的相適應性變差。The construction execution of prestressing work has many advantages such as : dry - work, rapidity, no organic adhesion agent, small space to be taken, the high efficiency of strengthening, so this way can be applied in the structures which request to improve bearing capacity largely and take small space after strengthening as well as other structures which will work in long time and in high temperature
預應力加固過程是干作業,施工速度快,不使用有機粘結劑,加固后佔用空間小,加固效率高,適用於要求大幅度提高承載力及加固后佔用空間小的混凝土結構,也適用於要求施工速度快,加固后使用年限長,工作環境溫度高的結構。The paper discusses mechanism performance, durability and resistance to de - icing salt concrete, this kind of concrete is made with air - entraining agent or silica fume and used in the trial section construction of benxi - dandong freeway ' s charge square which is located in dandong
本文通過在混凝土中摻入引氣劑或硅粉,來配製抗除冰鹽混凝土,並對其進行力學性能和耐久性測試,重點試驗其抵抗鹽凍能力,並用於本丹高速公路丹東段的收費廣場試驗路施工。In practical uses, the major performances of concrete are associated with the quantities, types and the service conditions of the expansion - admixture. the expansion admixtures of concrete available at present still have many shortcomings, such as the greater quantities required, the non - relevance between developments of concrete strength and durability and expanding speeds of expansion admixture, the evaluation of expanding effects, the def of aft etc. unfortunately, few achievements in these aspects have been obtained all over the world
在實際使用中,膨脹劑類型、摻量及其使用條件對混凝土的主要性能影響很大,現有的膨脹劑存在著實際摻量較大、混凝土強度及耐久性發展與膨脹劑的膨脹速率不協調、膨脹效能如何評價、鈣礬石aft相延遲性反應( def )等一系列問題,而目前國內外這方面的研究成果較少。There is some about that retarders or retarding plasticisers really alter the total heat output or, for that matter, the rate of heat generation.
無疑地,緩凝劑或緩凝塑化劑確實改變了點總放熱量或放熱速度。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。Accelerating agent of shotcrete used in coal mines
煤礦用噴射混凝土速凝劑Analysis of stengthening mechanism of rsd rapid setting admixture
速凝劑增強作用機理分析Two kinds of additives for water reduction and quick coagulation are used in the dahuofang reservoir ' s water distribution project
摘要在大夥房水庫輸水工程中使用的外加劑主要包括減水劑和速凝劑兩種。By means of comparative experiments, this paper illustrates the influences of different cements, admixtures of flash - setting agents, water cement ratios, curing temperatures and raw materials on the performances of sprayed concrete, such as the setting time, strength and shrinkage ratio, on different conditions of efflorescence and hydration, so as to present references with regularity for the practical application of sprayed concrete
摘要通過對比試驗,闡明了不同水泥、不同速凝劑摻量、水灰比、養護溫度以及原材料在不同風化和水化程度條件下,對噴射混凝土凝結時間、強度、收縮率等性能的影響,以期為噴射混凝土的實際應用提供規律性的參考資料。Based on the selection of the accelerating agents for the wet shotcrete, the applicability of the setting time for the accelerating agents got from the tests concerned are discussed herein, from which a proposal is put forward that the alkali - free accelerating agent is suggested to be preferentially applied to the wet shotcrete for the permanent project
摘要根據濕噴混凝土速凝劑品種選擇試驗結果,討論了速凝劑凝結時間試驗結果的適用性,開提出了永久工程濕噴混凝土應優先選用無堿速凝劑的建議。It is found that changing of catalyst and solvent will influence the relatively reaction velocity of hydrolysis and polycondensation and therefore change the pore structure of resulted silica gel glass matrix. as the result, the ideal prescription for silica gel glass matrix is proposed
確證通過調整催化劑和溶劑的種類及控制乾燥化學試劑的添加,可以改變水解和縮聚反應的相對速率,有效實現對硅氧凝膠玻璃基質孔結構的裁剪與設浙江大學博士學位論文計。( 2 ) feclsused as a coagulant when the water quality after filtration has tiny difference in the direct filtration process, compared with the finer sand media, the velocity increase of the water head loss of the coarser sand media is slower, and its filtration cycle is longer
( 2 )在直接過濾過程中,採用fecl _ 3作為混凝劑、出水濁度保持基本相同時,粗濾料的水頭損失增長速度較慢,過濾周期比較長。 ( 3 )In the area of plastic and chemical production, dy productes high quality industrial plastic, the best being high molecular polyethylene ; specialised gues developed by dy can be used in high, medium and low speed labeling machines designed for all industries
在塑料化工加工業方面,生產優質的工程塑料,以超高分子量聚乙烯為最優自行研製開發的酪朊膠樹脂膠冷凝膠等機用優質粘膠劑,適用於各類各行業的高中低速貼標機。And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete
本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象,採用濕通電法對鋼筋混凝土進行加速銹蝕,同時採用線性極化法對不同通電時間的極化電阻和腐蝕電流密度進行測試,分析銹蝕參數的變化規律,並通過測定cl -擴散系數來評價其抗滲性。Based on above, the characteristics of hydration hardening process and microstructure of hsc as well as the interfacial layer between cement paste and coarse aggregate are investigated under low water cement ratio, high content superplasticiser and with one kind or more than one kind of mineral materials condition, the reaction mechanisms of different mineral materials are also discussed
研究了不同水膠比、復合緩凝成分高效減水劑及礦物摻合料的摻加方式、摻量對高強混凝土水泥漿體水化放熱過程和水泥漿體的水化熱、水化放熱速率以及最高溫升的影響規律。探明了高強混凝土中水泥漿體的水化硬化過程、礦物摻合料之間的相互作用機理。In order to promote the rapid development and practical application situation of water - treament flocculent types, the application and development of all kinds of flocculences in different water were summaried, and the future research directions aimed to overcome the current shortages in developing and applying flocculences were put forward
摘要為了促進水處理絮凝劑的迅速發展和實際應用,綜述了水處理絮凝劑在國內外的研究進展,並簡要介紹了各類絮凝劑在各種水處理情況下的應用及其今後的發展方向,對今後的研究工作提出了一些建議和設想。It need high speed and grind disperse, polar activator when it was applied, use pre - gel has a better function
產品使用時需要高速和研磨分散,需要極性活化劑,預凝膠加入效果更好。分享友人