alkali reaction 中文意思是什麼
alkali reaction
解釋
堿性反應-
Study on the sulfonation reaction of lignin from black liquor of alkali paper - making with bagasse
堿法蔗渣制漿黑液木質素磺化反應研究 -
There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete
水電行業有句「無壩不裂」的俗話，產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹，水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。 -
A preliminary study on chemical reaction in the process of improvement of alkali - affected soil
石膏改良堿化土壤中所發生的化學反應的初步研究 -
Standard test method for hydraulic activity of ground slag by reaction with alkali
用堿性反應法測定粉爐渣水硬效率的標準試驗方法 -
Results of ethynylation were influenced by factors, such as, reaction temperature, reaction time, variety of solvent, and amount of alkali
反應溫度、反應時間、溶劑種類和堿用量等因素均對萜烯基丙酮乙炔化反應結果有影響。 -
On the basis of catalyzing mechanism, it can raise the reaction efficiency of sodium sulfite and reduce the remains of sodium sulfite, and has evident catalyzing action by adding bivalent nickel ions and bivalent cobalt ions into the water under the condition of weak alkali
根據催化機理，在弱堿條件下加入二價鎳離子和二價鈷離子能提高水中亞硫酸鈉的反應效率，降低水中亞硫酸鈉的殘余量，對亞硫酸鈉的除氧效果具有明顯催化作用。 -
The research of this text is about stopping " alkali - aggregate reaction ", reducing concretes exothermic peak, controling the internal concrete adiabatic storage and using the microexpansivity of magnesia to make up the shrinkage production in the later harden
本文從防止「堿集料反應」 、降低水泥水化放熱峰、控制混凝土內部絕熱溫升和利用mgo微膨脹補償水泥石硬化後期產生的收縮等方面進行研究與探討。 -
The liquid - gas method is improved based on the above methods, overcoming the defects of gbj82 - 85. using the liquid - gas method, permeability condition of concrete can be tested and indicated quickly, efficiently, and the influences on concrete of alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw can be inflected indirectly. it is significant on the research and monitor on the durability of concrete
溶液氣壓法是在上述方法之上進行改進提高的，克服了國標gbj82 - 85方法中的許多不足之處，能夠多角度、快速、高效、真實、準確地再現現場混凝土的滲透情況，並且能間接反映堿-骨料反應、鋼筋銹蝕、碳化、硫酸鹽侵蝕及凍融破壞的影響，對混凝土耐久性的監測與研究具有重要意義。 -
Standard test method for effectiveness of pozzolans or ground blast - furnace slag in preventing excessive expansion of concrete due to the alkali - silica reaction
在防止因堿硅石集料反應引起混凝土過度膨脹中火山灰或磨碎高爐渣效能的標準試驗方法 -
Abstract : yingdongpo gold mine as an example of gold mine, it ' s oredressing wastewater quality was investigated. alkali chlorinating process being adopted for treating the oredressing wastewater of yingdongpo gold mine, it has achieved good result in removing the cyanide and heavy metal. after analyzing the experimental result for the affecting factors, the project that using the method of intermittence reaction to treat the cyanide wastewater is proposed
文摘:以銀洞坡金礦為例，對選礦廠含氰廢水進行了水質調查，採用堿性氯化法處理銀洞坡金礦尾礦庫的含氰廢水，在去除氰化物和重金屬方面都取得了較好的效果，提出了採用間歇式方法處理含氰廢水工藝方案。 -
Alkali fusion reaction gas chromatography
堿熔反應氣相色譜 -
Diagnosis and prevention of alkali - aggregate reaction
堿集料反應的診斷與防治 -
For concrete structure in the practical engineering, the non - mechanics damages, such as alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw, and so on, are unavoidable due to the exist of erosive media. the deterioration form of mono or multi - factor influences on the concrete property of construction and durability greatly, and shortens the service life of the concrete to a large extent. permeability of concrete is the most important factor for these non - mechanics damages, so the permeability test of concrete is the normal and required item to study the durability of concrete
實際工程中的混凝土結構，因侵蝕性介質的存在而使非力學破壞行為無處不在，這些非力學破壞行為包括堿集料反應、硫酸鹽侵蝕、碳化、鋼筋銹蝕、凍融等，單一的破壞形式或多形式的復合破壞作用對混凝土結構性能及耐久性能均有著較為嚴重的影響，在很大程度上縮短了建築物的服役年限，而這些非力學破壞在很大程度上取決于其滲透性，所以測試混凝土滲透性能是研究判斷混凝土耐久性的常規必測項目。 -
At the same time fly ash and silica fume also can repress the anti - sulfate attack and the alkali - aggregate reaction ; in addition, the relation between air - entraining admi xture, cementitious materials quantity with freezing - thaw property of concrete were studied ; and according to the different affecting factors the durable life of concrete was estimated
同時粉煤灰、硅灰還可以抑制硫酸鹽侵蝕及堿集料反應；此外，分析了混凝土中含氣量、膠凝材總量等與混凝土抗凍性的關系。並且，根據相應影響因素對混凝土耐久性壽命進行了預測。 -
Alkali - silica reaction
堿硅反應 -
Biodiesel oil is prepared from soya bean oil and methanol, the ester exchange reaction is conducted under ultrasonic conditions with alkali as the catalyst, and the effect is discussed of ultrasonic wave on the reaction
摘要以大豆油和甲醇為原料制備生物柴油，酯交換反應在超聲波條件下以堿作為催化劑進行，討論了超聲波對反應的影響。 -
Abstract : the equilibrium constant of carbonization reaction of lime white was calculated using three thermodynamics methods. the results indicate that the carbonization reaction of lim white was the neutralization reaction between acid and alkali first, and it was the transform reaction of precipitation second. the essential cognition of the carbonization reaction of lime white was deepend. it was of guiding significance for industrial production of light ( precipitation ) calcium carbonate
文摘:用3種熱力學方法計算了石灰乳碳化反應的平衡常數，結果表明，石灰乳的碳化反應首先是酸堿的中和反應，其次才是沉澱的轉化反應，從而加深了對石灰乳碳化反應本質的認識，對輕質（沉澱）碳酸鈣的工業生產有指導意義 -
Standard test method for length change of concrete due to alkali - carbonate rock reaction
由於堿金屬碳酸鹽礦石反應引起混凝土長度變化的標準試驗方法 -
Standard test method for determination of length change of concrete due to alkali - silica reaction
測定由於堿-硅石反應引起的混凝土長度變化的標準試驗方法 -
The handing of the alkali metal, however, is not protracted ; it may all be charged into the reaction vessel in one operation and is thereafter protected from the atmosphere by the hydrocarbon which is used as the solvent
同時，對堿金屬的處理也不會被拖延；它可以在一個操作單元中全部傾倒入反應罐中，從而由於?基碳氫化合物的作用而免受周圍環境的影響。
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