礬石 的英文怎麼說
中文拼音 [fándàn]
礬石
英文
aluminite; websterite; alley stone-
Alunite ores - analytical methods - general instructions
明礬石礦石分析方法通則Methods for chemical analysis of alunite expansive cement
明礬石膨脹水泥及化學分析方法Expanded cement with alunite adopted for mending digester
明礬石膨脹水泥修補沼氣池效果好Alunite expansive cement
明礬石膨脹水泥It has measured large numbers of large - middle scale deposits such as fanshan alunite deposit of cangnan county and bamianshan fluorite deposit of changshan county in zhejiang province
探明了浙江省蒼南縣礬山明礬石礦和浙江省常山縣八面山螢石礦等一大批大中型礦床,曾獲地質找礦二等獎1項,三等獎2項,四等獎多項。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。Theproduction an d requirement status of potassium sulfat e at home and abroad was introducedin brief. the advantage and disadvantage of mirabilite method , alunite co mprehensiveutilization method , mannheim method and associated replacement method , which are beingused i n the production of potassium aulfate in china , are introduced and analyzedemphatically. the views on t he development of potassium sulfate industry in china areput foward by the author
簡要介紹了國內外硫酸鉀生產及需求現狀,重點介紹和分析了我國目前應用的芒硝法、明礬石礦綜合利用法、曼海姆法和締置法的優缺點,並對我國硫酸鉀工業今後的發展提出了自己的看法。Root of hairy asiabell, tuckahoe, atractylodes macrocephala koidz, barrenwort etc
洋金花麻黃苦杏仁石膏明礬等。The preparation of bauxite spinel for ladle casting
礬土尖晶石鋼包澆注料的研製So, we extracted the s. canopus larvae and found the crude extract can facilitate the settlement and metamorphosis of s. canopus larvae in some degree but the effect is not significant as that of the tunic of styela plicata and s. canopus
本實驗還從海區中生長的三種海綿和長石藥( ual 。 )中篩選出兩種海綿(粘山海綿地…刀iespp和礬海綿m 。Through the transforming, the annual production capacity must reach 100sets for 500kv china shell, 3000 sets for 110kv electrical capacity casting pipe sets for 220kv capacitance casting pipe
生產瓷套的主要原材料粘土長石石英,鋁礬土等到可在陽泉市郊區和附近區域得到長期穩定充足的供應。Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa
無機增強抗裂材料wj摻入普通混凝土中,在水化硬化過程中生成一定量的微膨脹結晶體,降低空隙率,改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下,使混凝土產生0The research of compensation for shrinkage in super high - strength concrete by uea
大體積補償收縮混凝土中延遲鈣礬石生成產生危害的條件A process of utilizing alumstone comprehensively by thermal decomposition
熱分解法綜合利用明礬石工藝研究In the fifth chapter, a. web - based sample content - based video retrieval system, which was developed with the tools of asp ( active server pages ) programming technology and sql server dbms ( database management system ), was demonstrated
第五部分實現基於內容的視頻檢索系統,這一部分涉及到了前面章節的da碩士學垃論文四厲石墳「叮礬』 nl正「基礎知識,重點是技術的實現。This paper has summarized the researches on the application of such mineral materials as activated carbon, zeolite, montmorillonite, sepiolite, medical stone, palygorskite, aluminum oxide, sodium hydrate, alumen and nanomaterials as cigarette tip additives to the removal of harmful components in cigarette smoke in the last decades
摘要總結了近幾十年來包括活性炭、沸石、蒙脫石、海泡石、麥飯石、凹凸棒石、氧化鋁、氫氧化鈉、明礬、納米材料等礦物材料作為卷煙濾嘴添加劑以去除煙氣中有毒有害物質的研究和實驗應用及效果。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。Ettringite in cement hydration products " value k " method of xrd and some accurate results were obtained. this method shows practically significant in studying the formation mechanism and stability of ettringite
摘要本文用x射線衍射法定量分析了水泥水化產物中的鈣礬石,得到了較為準確的結果,該方法對研究鈣礬石的形成機理和膨脹機理提供了重要的參考依據,具有理論和實際意義。The addition of aluminum sulfate caused the chemical shrinkage of cement mortar to reduce a little, but induced net plasma self - shrinkage to grow into expansion. that reason was that ettringite was produced by reaction between aluminum sulfate and hydration products
硫酸鋁摻入水泥中,可以使水泥漿的化學收縮有少量的減少,但可以使水泥凈漿的自收縮改變為膨脹效應,這是因為其與水泥水化的生成物反應生成了鈣礬石。分享友人