礬類 的英文怎麼說
中文拼音 [fánlèi]
礬類
英文
chalcanthum-
Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams.
常用活性炭，鋁礬土來去除廢水中各種類型的有機物。For thirty years, the institute has been engaged in geological prospecting for alunite, illite, pyrite, bentonite, fluorite, phosphate rock, sericite etc, has completed and submitted more than 70 geological reports
該院對明礬石、伊利石、硫鐵礦、膨潤土、螢石、磷礦、絹雲母等礦進行了綜合找礦，綜合評價，先後提交各類地質報告70餘份。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。The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed
本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響，進行了一系列宏觀力學性能試驗研究；利用差熱分析（ dta ） 、掃描電子顯微鏡（ sem ）等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析；並採用復合方法摻加新型膨脹組分對硫鋁酸鹽類膨脹劑（ uea ）進行了改性試驗研究，根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價，得出摻加新型膨脹組分pt的膨脹劑性能較優，取得了明顯的效果。Standard classification of fireclay and high - alumina plastic refractories and ramming mixes
耐火粘土及高礬土的塑性耐火材料及搗實混合物的標準分類Because of the characters in the alum image : strong disturbances, low contrast and random arrangement of alum grain, in the designing of the system we sort the images collected from digital camera and get the corresponding control of adding alum through three steps : pre - operation, vein analysis and particle processing
通過分析得到礬花圖象的特點：干擾強烈、對比度低、礬花顆粒隨機分佈，在本系統的設計中，通過對數碼相機採集到的礬花圖象進行預處理、紋理分析以及粒狀統計三個步驟的處理，完成對礬花圖象的分類，以實現相應的加料控制。Standard classification of fireclay and high - alumina refractory brick
耐火土及高礬土耐火磚的標準分類The spinning conditions include spinning methods, the pressure and types of filling liquid, the pes concentration, the molecular weight of pvp and peg and the coagulation length in the first coagulation bam
紡制條件包括:紡絲方法、填充液的壓力和種類、聚醚礬質量分數、聚乙烯毗咯烷酮的相對分子質量、聚乙二醇的相對分子質量以及在第一凝固浴中的凝固長度等。分享友人