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矿化剂及煅烧温度对高温氧化铝性能的影响

山东冶金 2008年第1期30卷 54-55页

作者：赵红军穆念孔王鸿雁山东工业职业学院山东淄博256414

通过在煅烧α-Al2O3过程中加入少量不同的矿化剂,分析高温氧化铝中SiO2、Fe2O3、Na2O的含量,结果表明,矿化剂的加入能够降低α-Al2O3的煅烧温度,促进α-Al2O3的晶型转变,降低α-Al2O3中氧化钠的含量;同时随着煅烧温度的升高,除钠效果越... 详细信息

通过在煅烧α-Al2O3过程中加入少量不同的矿化剂,分析高温氧化铝中SiO2、Fe2O3、Na2O的含量,结果表明,矿化剂的加入能够降低α-Al2O3的煅烧温度,促进α-Al2O3的晶型转变,降低α-Al2O3中氧化钠的含量;同时随着煅烧温度的升高,除钠效果越好,原晶粒度递增,α-Al2O3的转化率和真比重也随之递增。

关键词：矿化剂煅烧温度 α-Al2O3 晶粒度

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普通拟薄水铝石工业化生产的控制

山东冶金 2006年第6期28卷 27-28页

作者：赵红军穆念孔王鸿雁山东工业职业学院山东淄博256414

普通拟薄水铝石在生产过程中,由于控制的技术条件不同(如浓度、温度等),会直接导致产物中结晶水数目的不同,从而生成不同的产物。通过具体分析,得出普通拟薄水铝石工业化生产应控制的主要技术指标及生产过程中应注意的问题。

关键词：拟薄水铝石工业生产生产控制

Critical Behaviour of the Gaussian Model on Sierpinski Carpets

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Chinese Physics Letters 2001年第7期18卷 882-884页

作者： LIN Zhen-Quan kong Xiang-mu Department of Physics Wenzhou Normal CollegeWenzhou 325027 Department of Physics Qufu Normal UniversityQufu 273165

The Gaussian model on Sierpinski carpets with two types of nearest neighbour interactions K and Kw and two corresponding types of the *** constants b and bw is constructed by generalizing that on translationally invariant square *** critical behaviours are studied by the renormalization-group approach and spin rescaling *** are found to be quite different from that on translationally invariant square *** are two critical points at(K^(*)=b,K^(*)_(w)=0)and(K^(*)=0,K^(*)_(w)=bw),and the correlation length critical exponents are calculated.

关键词： method critical invariant

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细颗粒氢氧化铝在阻燃材料领域的应用

有色设备 2005年第4期19卷 13-14页

作者：王鸿雁袁好杰穆念孔张蕾中南大学化学化工学院湖南长沙410083 山东工业职业学院冶金学院山东淄博256414

介绍氢氧化铝在阻燃材料工业中用作阻燃填充剂的原理、细化方法及其应用前景。

关键词：氢氧化铝阻燃剂有机材料限氧指数

Kinetic Behavior of Exchange-Driven Growth with Catalyzed-Birth Processes

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Communications in Theoretical Physics 2006年第6X期46卷 1113-1120页

作者： WANG Hai-Feng LIN Zhen-Quan kong Xiang-mu Department of Physics Wenzhou University Wenzhou 325027 China Department of Physics Qufu Normal University Qufu 273165 China

Two catalyzed-birth models of n-species （n ≥ 2） aggregates with exchange-driven growth processes are proposed and compared. In the first one, the exchange reaction occurs between any two aggregates Ak^m and Af^m of the same species with the rate kernels Km（k,j）= Kmkj （m = 1, 2,... ,n, n ≥ 2）, and aggregates of A^n species catalyze a monomer-birth of A^l species （l = 1, 2 , n - 1） with the catalysis rate kernel Jl（k,j） -Jlkj^v. The kinetic behaviors are investigated by means of the mean-field theory. We find that the evolution behavior of aggregate-size distribution ak^l（t） of A^l species depends crucially on the value of the catalysis rate parameter v：（i） ak^l（t） obeys the conventional scaling law in the case of v ≤ 0, （ii） ak^l（t） satisfies a modified scaling form in the case of v 〉 0. In the second model, the mechanism of monomer-birth of An-species catalyzed by A^l species is added on the basis of the first model, that is, the aggregates of A^l and A^n species catalyze each other to cause monomer-birth. The kinetic behaviors of A^l and A^n species are found to fall into two categories for the different v：（i） growth obeying conventional scaling form with v ≤ 0, （ii） gelling at finite time with v 〉 0.

关键词： behavior exchange-driven growth catalyzed-birth scaling law rate equations

长江流域沿江镉异常源追踪与定量评估的方法技术研究:以长江流域安徽段为例

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地学前缘 2008年第5期15卷 179-193页

作者：赵传冬陈富荣陈兴仁赵和苍夏威岚聂海峰孔牧刘飞杨柯中国地质大学(北京) 北京100083 安徽省地质调查院安徽合肥230001 中国科学院南京地理与湖泊研究所江苏南京102218 中国地质科学院地球物理地球化学勘查研究所河北廊坊065000

长江全流域性的Cd异常是被中国正在进行的多目标地球化学调查发现的重大生态环境问题。以长江流域安徽段为研究对象,对沿江镉异常源追踪与定量评估的方法技术进行了系统研究。通过对安徽段长江干流及其主要支流悬浮物中元素含量的测量查... 详细信息

长江全流域性的Cd异常是被中国正在进行的多目标地球化学调查发现的重大生态环境问题。以长江流域安徽段为研究对象,对沿江镉异常源追踪与定量评估的方法技术进行了系统研究。通过对安徽段长江干流及其主要支流悬浮物中元素含量的测量查明:悬浮物是流域内重金属元素大跨度迁移的主要载体;Cd在悬浮物中的富集程度远远大于其他重金属元素,这或许正是Cd可以形成沿江流域性异常的主要原因;长江干流悬浮物中重金属元素含量的变化明显受到沿江支流的影响。安徽段长江干流及其主要支流重金属元素输出通量定量计算结果表明:秋蒲河是安徽段重金属元素输出通量最大的支流,每年在安徽段长江两岸土壤中沉积下约4.45t的Cd。利用悬浮物加密测量、1∶5万土壤测量和岩石测量对顺安河流域Cd异常源追踪结果显示:内生金属矿床特别是铅锌矿是悬浮物中Cd的最大的供应源。采用河漫滩沉积物分层采样技术和同位素测年技术,初步恢复了研究区Cd等重金属元素沉积和污染的地球化学历史,对研究区Cd等重金属元素异常的未来演变趋势进行了预警预测。

关键词：长江流域镉异常源追踪定量评估悬浮物河漫滩沉积物

内蒙古白音查干银多金属矿床原生晕评价指标研究

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物探化探计算技术 2014年第6期36卷 715-722页

作者：徐仁廷温银维刘华忠姜羡义孔牧张华杨少平韩伟杨帆中国地质科学院地球物理地球化学勘查研究所廊坊065000 内蒙古兴业集团股份有限公司赤峰024005

内蒙古白音查干银多金属矿床是近年来在大兴安岭中南段西坡最重要的多金属找矿新发现,具有成为大型银多金属矿床的潜力。通过矿床原生晕研究,确定矿床元素轴向分带序列(自上而下)为:Mo-F-As-Sb-Hg-B-Au-Bi-Cu-Ag-Pb-Zn-Cd-P-Ni-Co-Fe-W-... 详细信息

内蒙古白音查干银多金属矿床是近年来在大兴安岭中南段西坡最重要的多金属找矿新发现,具有成为大型银多金属矿床的潜力。通过矿床原生晕研究,确定矿床元素轴向分带序列(自上而下)为:Mo-F-As-Sb-Hg-B-Au-Bi-Cu-Ag-Pb-Zn-Cd-P-Ni-Co-Fe-W-Sn,提出(As×Hg)/(W×Sn)元素累乘比值可用来判断矿体剥蚀状况,并应用此比值预测I-0勘探线-500m以下发现的盲矿体向深部有很大的延伸,预测结果在进一步勘探中得到证实。

关键词：银多金属矿原生晕评价指标白音查干内蒙古

A Solvable Decorated Ising Lattice Model

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Communications in Theoretical Physics 2006年第3期45卷 555-557页

作者： SUN Chun-Feng kong Xiang-mu YIN Xun-Chang Department of Physics Xiaogan University Xiaogan 432100 China Department of Physics Qufu Normal University Qufu 273165 China Interdisciplinary Center of Theoretical Studies the Chinese Academy of Sciences Beijing 100080 China

A decorated lattice is suggested and the Ising model on it with three kinds of interactions K1, K2, and K3 is studied. Using an equivalent transformation, the square decorated Ising lattice is transformed into a regular square Ising lattice with nearest-neighbor, next-nearest-nelghbor, and four-spin interactions, and the critical fixed point is found at K1 = 0.5769, K2= -0.0671, and K3 = 0.3428, which determines the critical temperature of the system. It is also found that this system and the regular square Ising lattice, and the eight-vertex model belong to the same universality class.

关键词： Ising model square decorated lattice critical point universality class

Kinetics Analysis on the Polycondensation Process of Poly(p-phenylene terephthalamide):Experimental Verification and Molecular Simulation

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Chinese Journal of Polymer Science 2018年第5期36卷 675-682页

作者： Jing Liu Hai-Juan kong Yu Ma Shu Zhu mu-Huo Yu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University School of Materials Engineering Shanghai University of Engineering Science Key Laboratory of Shanghai City for Lightweight Composites State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Donghua University

The conventional low-temperature method of solution polycondensation was developed to realize the reaction of p-phenylenediamin and terephthaloyl chloride for the preparation of poly（p-phenylene terephthalamide）（PPTA）. Some main factors influencing this process were investigated to determine the optimum condition for high molecular weight. Experiment showed significant slowing of the reaction and gradual deviation of second-order reaction kinetics due to diffusion control. These phenomena were studied theoretically via dynamic Monte Carlo simulation. A concise expression,n～c0^-0.88·t^0.37, was proposed to describe the diffusioncontrolled polycondensation process as a function of the monomer concentration and reaction time. The theoretical results provided a good description of diffusion-effected kinetics for the polycondensation process of PPTA, and demonstrated good agreement with the experimental data. Some differences of scaling relations between model and experiment results were also discussed.

关键词： Poly(p-phenylene terephthalamide) Molecular weight Reaction kinetics Molecular simulation