膠體硅酸 的英文怎麼說
中文拼音 [jiāotǐguīsuān]
膠體硅酸
英文
colloid silicic acid-
Mas precursor powders are prepared using aluminium sulfate, colloidal silica, and magnesium nitrate as raw materials via sol - gel methods, dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300
以硫酸鋁、硝酸鎂和硅溶膠為原料，採用溶膠-凝膠法，制得mas先驅體粉末， xrd表明，該粉末經1300的熱處理后，完全轉變為堇青石。Comparative experiment testified that agno3 was better than cucl2, if supported on the same ac modified by 30 % hno3, while silica gel was better than ac modified by 30 % hno3 as a support, if loaded with the same amount of agno3
對比實驗表明，同樣以30硝酸氧化的承德果殼炭為載體，硝酸銀與氯化銅相比，分離因數較高，但乙烯吸附量稍低；而在同樣的硝酸銀負載量情況下，與活性炭相比，以硅膠作載體時吸附劑性能更佳。Research on portland cement hydration and mechanical properties of prc low water cement ratio system
低水膠比體系硅酸鹽水泥水化特性與力學性能研究Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process
結果使基質和復合物的制備在比傳統的固相反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成；五、對基質及復合物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流阻抗譜表徵，研究結果表明：在溶膠向凝膠的轉化過程中同時存在著正硅酸乙酯自身的聚合作用和檸檬酸鹽絡合物之間的聚合作用：干凝膠向產物粉體的轉化在400600c之間進行；基質li 。Abstract : this paper dicussed the preparative parameteres synthesized mullite ultrafine powder by sol - gel and co2 scfd ( supercritieal fluid drying ) method from teos and al ( no3 ) 3 ? 9h2o as raw materials. the control parameteres of the colloidal particle size forming in sol - gel process and the gel structure and the scfd were studied by, xrd, tem and bet techmiques
文摘:研究了以正硅酸乙酯和硝酸鋁為原料，採用溶膠一凝膠法結合co2超臨界流體低溫乾燥技術合成莫來石超細粉的制備參數控制，並利用xrd 、 tem和bet 、技術研究了溶膠-凝膠過程中溶膠膠粒大小的控制和凝膠結構的控制及超臨界流體乾燥技術的控制。Through a model compound system, acid - base theory for rtv - i silicone rubber was gave. it isbelieved consistency in acidic or basic nature is benefit for rtv - lsilicone compound system, while adverse nature in acid or base will cause unstable compound system and even cause gel. this is summarized as abn rule for matching
本文通過對模型體系的研究，提出了單組份室溫硫化硅橡膠的酸堿理論，該理論認為rtv - 1體系各組份的酸堿性一致對體系穩定性有利，酸堿性相反將傾向于誘發硫化，總結為abn規則。Based on this system the cracking resistence of portland cement paste system was tested. also the effect of fly ash, slag, silica fume and admixtures on the cracking at early ages was studied
本文對純硅酸鹽水泥膠凝體系的抗裂性能進行了研究，同時試驗考察了粉煤灰、礦渣、硅灰和外加劑對膠凝體系早期抗裂性能的影響。Sbn has currently being investigated as a potential material for many microdevice applications such as pyroelectric infrared detectors, electrooptic modulators, dram, etc. with the rapid development of the optical communication industry, especially the development of integrated optical devices, a successful hetero - epitaxial growth of the film on si substrate is necessary which can reduce loss in the waveguide effectively
隨著光通訊產業的迅速發展，特別是集成光學的發展，迫切需要在硅襯底上生長擇優取向性好的鈮酸鍶鋇晶體，來有效地減少光在波導結構中的損耗。本論文探討了sbn薄膜的溶膠-凝膠（ sol - gel ）生長技術及其原理。Two kind of ordered macroporous polymethylmetacrylate structures with different pore morphologies were fabricated from colloidal templates of the same silica microspheres, which was assembled by using centrifugation as driving force
摘要以離心沉降技術組裝的二氧化硅膠體晶體為模板，從同種尺寸的二氧化硅微球出發，合成了孔的結構和形貌不同的兩種有序大孔聚甲基丙烯酸甲酯。Standard specification for joint sealant, hot - applied, elastomeric - type, for portland cement concrete pavements
硅酸鹽水泥混凝土路面用彈性體型熱處理的接縫密封膠標準規范Using aluminium sulfate and colloidal silica as raw materials, another kind of mullite precursor powders is made. the relative density of silica - rich mullite ceramic sintered from these powders at 1550 for 1 hour with a pressure of 15mpa is 97 %
以硫酸鋁、硅溶膠為原料，採用溶膠-凝膠法制備了莫來石先驅體粉末，所得富硅莫來石先驅體粉末在1550 、 15mpa下熱壓燒結1小時后，緻密度達97 。Yh series bentonite thickening and rheological additive is a kind of natural aluminum magnesium silicate, hydrophilic and high purity modified montmorillonite is the main ingredients. the colloid performance is similar to veegum and magnabrite that produced by findbeer company, american. this product is widely used in water based coating, emulsion paint
Yh系列水性膨潤土增稠流變劑無機凝膠是天然呂鎂硅酸鹽類增稠流流變劑，主要成分為親水的高純改性蒙脫石，其膠體性類似於美國范德比爾公司和膠體公司德veegum或magnabrite膠體產品。The result of tem showed that layers of layered silicates were dispersed in matrix homogeneously, most of layers existed in multi - layers whose thickness was about 30nm
Tem結果表明：層狀硅酸鹽片層均勻分散在橡膠基體中，大部分以幾個晶層的聚集體的形式存在，片層的平均厚度約為30nm 。分享友人