緩凝作用 的英文怎麼說

中文拼音 [huǎnníngzuòyòng]
緩凝作用 英文
delayed coagulation
  • : Ⅰ形容詞1 (遲; 慢) slow; unhurried 2 (緩和; 不緊張) not tense; relaxed Ⅱ動詞1 (延緩; 推遲) d...
  • : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. The result shows, for this composite cement system, retarding action of dihydrate gypsum is more obvious than that of anhydrite, meanwhile, anhydrite tends to cause setting time short and water needed increased

    結果表明:二水石膏對該種復合體系水泥的緩凝作用比硬石膏明顯,硬石膏易引起復合體系水泥急和需水量增大。
  2. In the event that a boiler does shut down the stop - check must prevent backflow into the boiler, the weight of the disc and dash pot piston, through the force of gravity, promote rapid sealing so steam and condensate cannot backflow into the boiler even at low pressures

    如果鍋爐沒有關閉截止止回閥,則必須防止迴流到鍋爐上,閥瓣壓鐵和沖活塞,在重力的下,能夠迅速實現密封,使得蒸汽和冷水即使在低壓下也不會迴流到鍋爐里。
  3. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明,水泥的品種和量是影響混土收縮值的主要因素之一,當混土中水泥量超過470kg / m ~ 3時,混土的收縮值超過400 10 ~ ( - 6 ) ,在約束狀態下存在高開裂風險;採細砂使混土單位水量顯著提高,收縮值也大幅增加;優質粉煤灰總體上能抑制混土的收縮,以超量方式摻入其抑制更加明顯,但粉煤灰混土早期的粘聚性較差,應注意養護,以免失水產生龜裂;早強減水劑和減水劑都會使混土收縮值增加;膨脹劑只能補償混土部分收縮,同時受劑和粉煤灰的抑制,而且膨脹使混土的體積安定性增加了不確定因素,膨脹劑不是解決混土收縮裂縫的良方。
  4. Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center

    通過宏觀到微觀的分析,筆者認為,檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子,影響了二水石膏晶體的晶核長大過程;多聚磷酸鈉與鈣形成某種復鹽,對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響;骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附,使二水石膏晶體的成核和長大困難。
  5. Slow, careful curing of the concrete improves the hydration of the cement.

    土的慢而精心的養護可以改善水泥的水化
  6. Sodium metasilicate has strong alkalinity and good buffering capacity. it can neutralize acidic dirt, emulsify grease and oil, and provide corrosion proofing to metals. it is a basic material for the detergent industry, widely used in domesticindustrial detergent, food cleaner, metal cleaner, washing carbonated drink bottles, printing aid for textile, deinking recycled paper, etc

    偏硅酸鈉具有強堿性,去污力強,沖能力大,可中和酸性污物,使脂肪和油類乳化,對無機物有反絮,對金屬有防腐蝕,是洗滌業不可替代的原料,廣泛應於家庭洗衣粉、工業洗滌劑、食品清洗劑、金屬清洗劑、酒瓶清洗劑、除油紡織印染助劑及紙張脫墨劑等。
  7. The new high effective water - reducing agent act - fdn has characteristic of reactivity, it ca n ' t dissolve in water but do in alklia. in the concrete, it decompounds slowly and gives out sulfonate group which has dispersity, this can make the high effective water - reducing agent available for a long time, therefore it can reduce slump loss

    研製的新型高效減水劑act - fdn ,具有反應性的特點,不溶於水但溶於堿,在混土這樣的堿性環境下可以慢分解釋放出具有分散性能的陰離子磺酸基,使高效減水劑能夠持久發揮,從而達到了降低坍落度損失的目的。
  8. The trials of nr / r single - dimensional sds - page and nr / r two - dimensional sds - page proved that cml had no disulfide bond. edta inhibited the agglutinate activity of cml and a small part of cml recovered its agglutinate activity after removing the edta

    在ph7 . 0 、 ph5 . 0的沖體系中,edta去除cml分子中金屬離子的實驗表明edta對cml的血活性具有抑制
  9. Some retarders permanently weaken the concrete.

    某些劑對混土起長期的弱化
  10. The analysis on the test result shows that the temperature distribution in cfst members caused by solar radiation is nonlinear, and the nonlinear character is most evident when center point of concrete gets its lowest temperature. the temperature of the center point is affected by various directions, especially the strong potential. in the side exposed to the sun in the afternoon, apart from the center point, temperature varies laggardly when the point of concrete in the same series is more close to the center

    結果表明,日照下截面的溫度場為非均勻場,混土中心的溫度達到最小值時,截面溫度場的非線性特性最明顯,圓心點的溫度受各個方向溫度的共同,更多地受到強勢方向的影響;下午時處在向陽面的各系列,同一系列上混土各點溫度變化隨直徑縮小趨,越靠近圓心,溫度變化越和,對外部環境(包括氣溫與日照)的影響呈滯后現象越明顯;而在下午時處在背陰面的各系列除圓心點外,同一系列上越靠近圓心的混土測點,溫度變化越和。
  11. Selection of suitable retarding agent and its addition is particularly important for controlling the setting time of gypsum - based material in a certain rang, meeting the requirement of construction process. though the retarder is widely used, the influence factor, the intrinsic reason that induces the strength drop and retarding mechanism are still studied superficially

    盡管石膏劑的途廣泛,但是對於它的影響因素、劑強度降低的內在原因和劑阻礙石膏水化形成緩凝作用的機理的研究粗淺,認識模糊。
  12. Research the application of titanium white residue as set retarder in cement

    鈦白渣水泥劑的應研究
  13. As a kind of cement retarder, normal setting time and good effect for mechanical properties and soundness of cement can be got when adding desulfurization gypsum in cement, so it can used instead of natural gypsum to produce cement entirely, coal gangue is activated and coal ash desulfurized have good active, can improve cement output and also can depress consumption when them be used as mixed material, have well economic and environmental effects

    脫硫石膏水泥劑時,水泥的安定性、結時間正常,可改善水泥的力學性能,完全可替代天然石膏;活化后的煤矸石和脫硫煤灰具有較好的活性,水泥混合材可增加水泥產量、降低生產成本,具有良好的經濟和環境效益。
  14. The obtained results has been shown that the temperature field of sfrc pavement structure is non - linearly distributed along its thickness. the temperature which is close to the surface changes quickly, whereas slowly which is far. under the affect of temperature field, the temperture stress of sfrc pavement structure is also distributed non - linearly. the deflection and stress responses of sfrc pavement structure are waved declingly under the effect of shock load

    計算結果表明:鋼纖維混土路面板結構的溫度場沿其厚度方向呈非線性分佈;在距路面表面較近的地方,溫度變化較快,而在距路面表面較遠的地方,溫度沿厚度方向的變化較為慢,整個圖形呈下凸形。鋼纖維混土路面板在上述溫度載荷的下,其溫度應力沿其厚度方向呈非線性分佈。
  15. The shrinkage reducing rate can reach to 70 % at the 7th day, and the shrinkage reducing rate can reach to 40 % at the 28th day. it doesn ’ t reduce the intension of the concrete. it can have an ability of 10 18 % of reducing water rate

    通過對比試驗發現,聚丙烯酸鹽類減縮劑的最佳摻量為水泥質量的1 . 2 % , 7天減縮率可達70 % , 28天減縮率可達40 % ,且不降低混土的強度,具有10 18 %的減水率,有一定的緩凝作用
  16. Abstract : based on composite testing of naphthalene superplasticizer and different retarders as well as retarding water reducer, in which the overall amount of admixture is certain, this paper analyzes the influence of these multicomponent admixtures on flowability of neat cement 、 retarding action and development of strength of colloidal mortar. the result shows that compatibilities of different components are different, and composition effects are also different

    文摘:在總摻量一定的情況下,就萘磺酸鹽高效減水劑與不同組分、型減水劑等復合后對水泥凈漿流動度、緩凝作用、膠砂強度發展等性能的影響進行了試驗分析,結果表明各不同組份復合的相容性不同,復合效應也存在差別。
  17. 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、復合成分高效減水劑及礦物摻合料的摻加方式、摻量對高強混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。探明了高強混土中水泥漿體的水化硬化過程、礦物摻合料之間的相互機理。
  18. Low viscosity, cures at room temperature to a transparent gel, the cured gel state provides excellent mechanical cushioning and vibration damping for delicate electronic assemblies

    低粘度,室溫固化成透明膠,固化后的膠對于精密電子組件有著良好的機械沖和減振,且具有低溫性能。
  19. In this paper, the effects of common set - retarders and early - age curing on properties of concrete are studied so as to control the quality of concrete

    為此,本論文研究了常劑和早期養護條件對混土性能的影響,以期對混土工程質量控制具有一定的指導
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