胶凝
- gelatinization;gelatinize;jelling;gel;cake
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结果表明,要形成稳定铝硅溶胶pH值必须控制在3以下,采用氨水和乙酰丙酮可调节胶凝时间。
The results of experiment show that stable silica-alumina gel was formed by controlling the value of pH3 . Gelatinization time could be adjusted by adding ammonia or acetylacetone .
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(加入)催化剂和(提高)反应温度均可大大缩短胶凝时间,并可得到具有网状结构的SiO2薄膜。
It was found that the gelatinization time could be considerably shortened and a cellular silica film was formed by adding the catalyst and increasing reaction temperature .
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矿物掺合料对C3S胶凝体系的填充密实效应研究
Research of Filling Role of Mineral Blends in C_3S Cementitious System
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基于Ca(OH)2含量的复合胶凝材料中水泥水化程度的评定方法
Assessment method of hydration degree of cement in complex binder based on the calcium hydroxide content
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胶凝材料颗粒表面活性的XPS研究
Study of the surface reactivity of cemental materials particles by XPS
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化学激发胶凝材料用于CFRP加固混凝土柱的研究
Study on CFRP Strengthening Concrete Structures with a Chemical Activating Cementitious Material
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采用XRD分析了自燃煤矸石胶凝材料中活性Al2O3在不同因素影响下水化形成钙矾石的情况。
The ettringite formation of active Al_2O_3 in the spontaneous combustion coal gangue cementitious material is analyzed by XRD .
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实验结果显示,Ca(OH)2能有效的激发矿渣的早期活性,有利于矿渣胶凝材料的早期强度的发展。
The experimental results showed that Ca ( OH ) 2 effectively activated BFS early activity which contributed to early strength development .
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借助XRD、IR和SEM等表征手段,对有机/无机复合胶凝材料的微观结构和胶粘机理进行了分析和探讨。
The microstructure and mechanism of the adhesive materials are analyzed by means of XRD , IR and SEM characterization .
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pH值及胶凝方式对Sol-Gel制备TiO2相变的影响
Influence of pH Value and Route From Sol to Gel on the Phase Transition of TiO_2 Prepared by Sol-Gel
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石膏和氢氧化钙共同掺入则使CAS玻璃相的胶凝性能恶化。
Adding both of gypsum and calcium hydroxide into CAS glass deteriorates the cementitious properties of CAS glass .
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乳中蛋白酶与UHT乳贮存中的胶凝现象
Proteases in milk and gelation of UHT milk
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制备致密UO2核燃料芯核的外胶凝方法(Ⅰ)
Preparation of dense uo_2 fuel kernels by external gelation process (ⅰ)
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内胶凝法制备HTGR燃料芯核
Preparation of HTGR Fuel Kernels by Internal Gelation Process
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结果表明,添加合适的外加组分,常温下MgO-SiO2-H2O体系具有比较优异的胶凝性能,其水化产物主要是非晶态的水化硅酸镁和Mg(OH)2;
The result showed that MgO and Microsilica could react at room temperature which gave a hardened product primarily comprised of Mg ( OH ) _2 and gel magnesium silicate hydrate ( M-S-H ) .
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并用凝胶过滤色谱测定了不同DE值脂肪替代品的分子量分布,从而在分子水平上探讨胶凝机理。
The molecular weight distributions of components of the fat substitutes with different DE value were measured by GPC , as exploring the mechanism of the gel formation at molecular level .
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在溶胶前驱体的制备过程中,加水量、加醇量、PH值、抑制剂和水解温度等因素都会对胶凝时间产生很大的影响;
In the preparation of sol solution , a lot of factors , for example : water content , ethanol content , pH value , depressant and hydrolyzed temperature etc. will influence the gelatin time .
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MgO-SF-FA-MgCl2-H2O胶凝材料体系的长期强度及耐水性研究
Research on long-term strength and water-resistance of mgo-sf-fa-mgcl_2-h_2o system cementitious materials
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制备致密UO2微球的全胶凝方法
A total gelation process for the preparation of dense uo_2 microspheres for HTGR
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研究了不同的掺水量、掺醇量、pH值、水解温度、螯合剂、搅拌时间、加水方式对胶凝时间的影响;
Studied some effect of conditions on gel time such as quantity of commingled water and Ti ( OBu ) 4 , pH value , hydrolysis temperature , chelating agents , mixing time and method of adding water ;
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本文为MgO活性从定性估计提高到定量测定提供了方法,同时亦为MgO生产工艺条件控制及镁质胶凝复合材料制品质量的提高提供了理论依据。
A quantitative method for the measuring of MgO activity and some theoretical basis for the control of the quality of magnesium oxychloride cement are proposed in the paper .
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利用XRD和ESEM研究了由硅酸盐水泥、矿物掺和料和膨胀剂组成的复合胶凝材料的初期水化产物和浆体结构。
The early-age hydrates and paste structure of complex binders composed of Portland cement , mineral admixture and expansive agent were investigated with XRD and ESEM .
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结果表明,铬渣具有良好的胶凝活性,矿渣微粉的加入对Cr(Ⅵ)的浸出有良好的控制作用。
The results of this study shows that the chromium residue has good cementitious activity , and Cr (ⅵ) concentrations in the leachate is decreased very much by adding the slag powder in the chromium-cement system .
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混凝土胶凝材料中的水泥遇水即发生水化,随着水化龄期的延长生成大量的Ca(OH)2,这是造成混凝土抗侵蚀性能降低的重要原因。
The cement exposed to water hydrates immediately in the cementitious materials of concrete , and produces Ca ( OH ) 2 with the prolonging of hydration time , which is the important cause to reduction of corrosion resistance of concrete .
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结果表明:C100高性能混凝土胶凝材料具有较高的强度;
The test results show that the C100 high-performance concrete has high intensity ;
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通过探讨化学掺杂对水泥熟料中C3S和C4A3-S矿物的形成及共存的影响,综述了掺杂对高胶凝性水泥熟料矿物形成的影响的研究。
The influence of additive on the formation and coexistence of C_3S and C_4A_3 is reviewed in this paper .
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在电解质浓度很低时,酸性硅溶胶的胶凝速度很慢,pH对胶凝速度的影响很小,而且胶凝作用的活化能不受pH的影响。
At the lower con-centrations of electrolyte , the gelation rate of acidic silica sol is very slow and the effect of pH on the gelation rate is very small . Generally , the activation energy of gelation would not change with the pH.
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CN-14型轻油预转化制富甲烷气催化剂的实验室研究KF&1型胶凝酸的配制及实验室研究
An experimental study on Type CN-14 catalyst for pre-reforming of light oil to CH_4 - rich gas Preparation of Gelling Acid with Agent KF-1 for Acidizing Wells and its Laboratory Test
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新型GRC储粮仓板(仓)是以农业废弃物各种秸秆、粉煤灰、胶凝材料、增强纤维为主要原材料,配以各种改性外加剂而制成。
The new GRC storing grain panel was made of plant straws , fly ash , cement , reinforced fiber as main raw , and some admixtures .
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方法采用离子胶凝法制备胸腺五肽壳聚糖纳米粒并用EudragitS100包衣制备pH-敏感纳米粒;
METHODS Thymopentin-loaded chitosan nanoparticles were achieved by ionic gelation methods , which were coated by Eudragit S100 in order to obtain pH-sensitive nanoparticles .