搜索结果: 1-15 共查到“Cao”相关记录99条 . 查询时间(0.046 秒)
Upgrading catalytic activity of NiO/CaO/MgO from natural limestone as catalysts for transesterification of coconut oil to biodiesel
Biodiesel Limestone Methyl ester PEG Vegetable oil
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2023/12/19
Limestone was converted to high surface area CaO/MgO catalysts via calcination-hydration-dehydration (CHD) method for transesterification of coconut oil to biodiesel. Thermal?decomposition?at 900 degr...
中国科学院金属研究所专利：一种CaO耐火材料表面碳酸化处理装置
中国科学院金属研究所 专利 CaO耐火材料 表面碳酸化 处理装置
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2023/8/28
中国科学院金属研究所专利：一种CaO耐火材料表面碳酸化处理装置
上海光机所在探究Cu+离子掺杂的Al2O3-CaO透明长余辉玻璃方面取得进展（图）
离子掺杂 长余辉玻璃
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2023/1/5
2022年12月12日，中国科学院上海光学精密机械研究所高功率激光单元技术实验室制备了一种新颖掺杂Cu+的Al2O3-CaO透明长余辉玻璃，探究了其发光性能及内在机理，相关研究成果以“Bright persistent luminescence from Cu+ activated Al2O3–CaO photochromic glasses”为题发表于Ceramics International...
Effects of CaO on the Clonal Growth and Root Adaptability of Cypress in Acidic Soils
CaO Clonal Growth Root Adaptability Acidic Soils
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2023/6/2
Cypress (Cupressus funebris Endl.) is a major tree species planted for forestland restoration in low-fertility soil and in areas where rocky desertification has occurred. Calcium (Ca) fertilizer can a...
在1 000~1 250 ℃范围内,采用高温平衡-淬冷-EDS方法研究了含铅固废协同冶炼过程PbO-CaO-SiO2-Fe2O3-ZnO五元渣系在空气气氛下的相平衡规律。研究结果表明,渣中存在的主要物相有尖晶石(ZnxFe3-yO4+z)、红锌矿(ZnO)、黄长石(PbvCa2-vZnwSi2O7)、赤铁矿(Fe2O3)、磁铁铅矿(PbFe10O16)和硅钙石(Ca2-tPbtSiO4)。在1 2...
基于n(Fe2O3)/n(CaO)的铁矿粉烧结液相流动性测定方法
碱度 n(Fe2O3)/n(CaO) 液相流动性 配矿 烧结
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2019/3/7
针对以碱度(R=w(CaO)/w(SiO2)，w为质量分数)控制混合料CaO的添加量的铁矿粉液相流动性检测方法(R值法)在评价SiO2质量分数不同的铁矿粉时结论与烧结生产存在差异的问题，提出以混合料铁钙的物质的量比(n(Fe2O3)/n(CaO))控制CaO添加量的铁矿粉液相流动性检测方法(N值法)。分别以化学纯试剂和铁矿粉为原料，对比研究了R值法和N值法对液相流动性指数检测结果的影响；并基于2种...
基于MnO-SiO2-CaO渣型的辉锑矿挥发熔炼工艺
辉锑矿 硫化锰矿 MnO-SiO2-CaO渣型 挥发熔炼 锑 锑锍
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2020/4/15
提出以硫化锰矿作造渣剂、采用MnO-SiO2-CaO渣型的辉锑矿挥发熔炼新工艺。试验确定的最佳工艺条件为:硫化锰矿、氧化钙和焦炭用量分别为锑精矿质量的20.01%、6.66%和4.98%,熔炼温度1 250~1 300 ℃,氧气流量0.7 L/min,熔炼时间50 min;此条件下锑锍产率5.09%,渣中Sb含量0.33%,Sb挥发率99.75%,炉渣主要由MnO、FeO、SiO2、CaO组成,含...
Associate Professor Xiaodong Cao,Department of Mathematics at Cornell University（图）
Department of Mathematics at Cornell University Associate Professor Differential geometry geometric analysis
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2015/9/11
Xiaodong Cao,Associate Professor,Department of Mathematics at Cornell University.He is Research Area:Differential geometry and geometric analysis.Selected Publications:Differential Harnack estimates f...
Associate Professor Xiaodong Cao，Department of Mathematics at Cornell University（图）
Associate Professor Xiaodong Cao Department of Mathematics at Cornell University
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2015/8/28
Associate Professor Xiaodong Cao，Department of Mathematics at Cornell University,My research has been concentrated on the study of geometric evolution equations and their applications to differential ...
试样用含有硼酸的混合熔剂熔融，稀盐酸酸化后定容。通过控制测定时各元素的酸度，分别用硅钼蓝光度法测定
SiO2,铋磷钼蓝光度法测定P、EGTA滴定法测定TCa；利用CaO易溶解于稀乙酸，而CaF2不溶解于稀乙酸的特性，试样用稀乙
酸溶解处理过滤分离后，用EGTA滴定法测定CaO；计算出CaF2量。测定结果满意，方法可行，适合冶金工厂日常生产需要。
试样用碱性熔剂熔融，稀盐酸浸取酸化定容。移取部分试液，通过调节分析时各元素的酸度，以钼蓝光度法测定SiO2和P；利用钙镁与EGTA络合常数的对数值相差5.8，在镁存在的情况下，用EGTA直接滴定钙，再以EGTA掩蔽钙后，用CYDTA直接滴定镁；以氟化盐置换EDTA滴定法测定Al2O3。实现了SiO2、P、CaO、MgO、Al2O3同一母液联合快速测定。应用本方法对炼钢除尘灰中的SiO2、P、CaO...
Professor Jianshu Cao，The Department of Chemistry at Massachusetts Institute of Technology（图）
Professor Jianshu Cao The Department of Chemistry at Massachusetts Institute of Technology
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2014/8/21
Our group develops theoretical models for understanding the structure and dynamics of complex molecular systems. Establishing relationships between these models and experimental observables allows us ...
调理剂ＦｅＣｌ ３ ／ ＣａＯ对深度脱水市政污泥燃烧特性的影响
深度脱水 市政污泥
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2015/6/5
利用热重分析仪（ＴＧ⁃ＤＴＧ）研究了 ＦｅＣｌ３
／ＣａＯ 添加量和升温速率对深度脱水市政污泥燃烧特性的影响，并得出污泥燃烧的动力学参数．
试验结果表明，ＦｅＣｌ３
／ＣａＯ 深度脱水后的泥样燃烧过程中有 ４ 个失重阶段：水分的析出、挥发分 １ 的燃烧、挥发分 ２ 和固定碳的燃烧、以碳酸钙
的分解为主的无机物分解． 随着调理剂添加量的增加，可燃性指数和挥发分特征指数得到提高，有...
Preparation and characterization of nano-CaO based on eggshell waste：Novel and green catalytic approach to highly efficient synthesis of pyrano[4,3-b]pyrans
Nano-calcium oxide Eggshell waste Biocatalyst Pyrano[4,3-b]pyrans Ball-mill
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2014/3/8
Nano-CaO was prepared by calcination of ball-milled chicken eggshell waste. This novel, bioactive, heterogeneous catalyst, which had high catalytic activity and reusability, was used in the green synt...
CaO-SiO2 -FeO-P2 O5 渣系脱磷影响因素的研究
CaO-SiO2 -FeO-P2 O5 渣系 CaO粒度 温度 保温时间 磷富集相
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2014/3/25
为了提高转炉渣中CaO的利用率，降低转炉渣的碱度，通过试验研究了CaO粒度、粒状CaO的加入比例、温度和保温时间对含磷富集相的影响。结果表明，适当增大CaO的粒度有利于2CaO·SiO2-3CaO·P2O5固溶体的形成；当渣中粒状CaO的含量较低时，增加粒状CaO的加入比例，可促进渣中大颗粒固溶体的形成并减少渣中磷的含量，但当粒状CaO的含量较高时，2CaO·SiO2-3CaO·P2O5固溶体生成...