硅酸溶膠 的英文怎麼說
中文拼音 [guīsuānróngjiāo]
硅酸溶膠
英文
silica sol-
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。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。The effects of equilibrium time, acidity of the solution, temperature, concentration of redox reagents on the adsorption of neptunium by silica gel were carried out. desorption and isotherm adsorption experiments were also performed. the results are shown as follows : the equilibrium for adsorption of neptunium on silica gel reached rapidly
進行了吸附平衡時間、酸度、溫度、氧化還原劑濃度等條件對硝酸溶液中np ( ) 、 np ( )和np ( )在硅膠上吸附的影響的實驗,與吸附時同酸度條件下的洗脫實驗,用濃度為3mol l的硝酸作為解吸劑的解吸實驗。This paper emphasizes the effect of the dissolution of aluminosilicate during diagenesis may provide more radiogenic strontium which would result in a high content of strontium in carbonate rocks. so we should avoid the vein of carbonate and select the samples with less terrigenous clastic, less grain content and lacking calcite cementation collected as analysis samples. the microcrystalline limestone and micro - to fine - crystalline dolomite are rather fairly whole rock samples
作者還強調了成巖過程中由長石等鋁硅酸鹽溶解提供殼源sr所造成的碳酸鹽礦物成巖蝕變可能表現為較高的sr含量;因此,在用全巖樣品進行旨在反映海水組成的各種分析時,應迴避碳酸鹽脈,選擇含陸源碎屑低、顆粒數量少、缺乏方解石膠結物的樣品,微晶灰巖或微?粉晶白雲巖是較為理想的全巖樣品。In this paper, studying on the polymerization reaction in silicic acid solution is determined and the gel time of polysilicic acid is obtained when acetic acid compound exist
摘要在前人研究工作的基礎上,應用乙酸進行硅酸聚合膠凝的實驗研究,實驗結果表明,當硅酸溶液中有乙酸化合物時,硅酸聚合膠凝的時間將延長。The technical requirements for the lost pattern made from the paraffin - stearin and the shell mould made from colloidal silica in the precision casting were introduced
摘要介紹用石蠟硬脂酸低溫模料製作熔模,用硅溶膠作粘結劑製造模殼的工藝。Adsorption distribution coefficients increase with the increasing of temperature. the concentrations of redox reagents have light effects on adsorption within the studied concentration range
測定了硝酸溶液中三種價態的鎿在硅膠上吸附的等溫線和表觀吸附熱。Algae - rich carbonate of cambrian is typical sediment of foreslope facies in sandu and danzhai, eastern guizhou province. after sediment, it experiences many changes of diagenetic environment, and takes place much diagenetic altercation, among which the biggest is salt water dolomilization, and then is compaction, recrystallization, pressure solution, organic dissolution, burial dolomilization, cementation and silicification
貴州省東部三都丹寨地區中上寒武統富藻碳酸鹽巖是典型的斜坡沉積,其在沉積后漫長的地質歷史時期內,經受了諸多成巖環境的改造,發生了極大的成巖變化,最大的成巖變化為鹹水雲化,其他的成巖作用有壓實作用重結晶作用壓溶作用有機溶解作用埋藏雲化作用膠結作用及硅化作用等。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 。The silver doped tio2 or sio2 sols are prepared through sol - gel method, ti ( oc4h9 ) 4 and si ( oc2hs ) 4 are chosen as precursors respectively, and hnos is catalyzer, agno3 is the second component for inducting silver ion
實驗分別以鈦酸丁酯和正硅酸乙酯為先驅劑,硝酸為催化劑,硝酸銀引入銀離子,以溶膠?凝膠法配製摻銀tio _ 2 、 sio _ 2溶膠。In the process of preparing mullite powder, we use teos and al ( no3 ) 3 as raw materials. the powder we prepared has high purity and its grain radius is relatively small and is distributed equality. by this method, we prepared about 600 g mullite powder and it provided basis for the next experiment
在溶膠-凝膠法制備莫來石粉末過程中,我們以正硅酸乙酯和硝酸鋁為主要原料,採用該法制得了莫來石粉末,該粉末純度很高,粒徑較小並且分佈均勻,我們按該法制得了約600g莫來石粉料,為接下來的實驗打下了基礎。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。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。Abstract : some new technological measures, such as new reactors, gel method to remove silicon, direct dissolve acid to recrystallizate and direct calcine from zirconyl chloride, were used to reform zirconium dioxide production process. as a result, the materials consumption and energy consumption were reduced and the wastewater discharge was decreased. meanwhile the rubbish were recovered and utilized to prepare into a by - product as silica aerosol. the pollution prevention and control in production process were achieved
文摘:採用新型反應器及膠凝除硅、直接酸溶重結晶、直接煅燒等技術對二氧化鋯的生產工藝進行了改革,降低了原材料消耗及能耗,減少了廢液排放量,並將回收的廢物加工成副產品白炭黑,在生產過程中防治污染。Some new technological measures, such as new reactors, gel method to remove silicon, direct dissolve acid to recrystallizate and direct calcine from zirconyl chloride, were used to reform zirconium dioxide production process. as a result, the materials consumption and energy consumption were reduced and the wastewater discharge was decreased. meanwhile the rubbish were recovered and utilized to prepare into a by - product as silica aerosol. the pollution prevention and control in production process were achieved
採用新型反應器及膠凝除硅、直接酸溶重結晶、直接煅燒等技術對二氧化鋯的生產工藝進行了改革,降低了原材料消耗及能耗,減少了廢液排放量,並將回收的廢物加工成副產品白炭黑,在生產過程中防治污染。Waveguide fabricated by the sol - gel route is also presented at last. stable and transparent boric silicate 、 er ~ ( 3 + ) - doped phosphosilicate, er ~ ( 3 + ) - doped aluminasilicate glass sol was prepared by the sol - gel route
實驗中採用溶膠-凝膠工藝制備了透明、穩定的硼酸鹽、摻鉺的磷硅酸鹽、摻鉺的鋁硅酸鹽溶膠。Under the conditions of operation pressure about 0. 5mpa and feed temperature 25 c, the rejection performance of nacl feed solution ( 500ppm ), is about 35 %, while the flux is about 45ml cm - 2 h - 1. the pa membranes were prepared by interfacial polymerization, usingl, 3, 5 - benzenetricarbonyltrichlori2, 4 - dichloroterephthalaldehyd e, 1, 3 - phenylenediamine as monomers
研究結果表明, 5102 / a12o :無機復合超濾膜的研製原料正硅酸乙酷、乙醇、水、 n , n一二甲基甲酸胺( dcca )和hno3之間的配比、塗膜過程、熱處理溫度等直接影響著溶膠的質量和膜的性能。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 。Analyze the principle of sol - gel method and fabrication technique of silicate thin films by the sol - gel processes is introduced
分析了溶膠-凝膠法的原理,並敘述溶膠-凝膠法制備硅酸鹽薄膜的工藝。分享友人