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The pore capacity is becoming smaller with increasingthe vitrinite content. 2. Micro-porosity is dominated in the total pore capacity, which takes more than50%. There is not relationship among pore capacity and specific surface with otherfactors such as Maceral and R0, which shows that the distribution and shapes of poreare not influenced by the composition of the coal. 3. The pore is opened for the coal of Ordos Basin, the order is from durain to clarainthen samples to vitrain. Others are belong to half-opened and thin throat. 4. The adsorption content of gas is increasing with the higher pressure, and the freegas content is decreasing;The adsorption content of gas is decreasing with thehigher temp, and the free gas content is increasing;The adsorption content of gas isincreasing with higher vitrinite content for the kennel coal when temp.
总空隙主要由小孔孔容构成,小孔孔容占了50%以上;镜质组含量和惰性组含量等物质以及镜煤反射率均与孔容、比表面未表现出明显的相关性,说明孔隙分布特征不受物质组成的影响 3、鄂尔多斯地区的空隙呈现开放状态为主,空隙开放的次序为暗煤-亮煤-煤样-镜煤,其他盆地则为半封闭和细瓶颈空隙 4、随压力增加,煤对气体的吸附量增加,煤中所含游离气的量随之减小;随温度增加,煤对气体的吸附量减小,而煤中所含游离气的量随之增加;在相同的温压条件下,同是长焰煤的样品,吸附量在孔容中所占的比例随镜质组含量增加而增加。
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The work had been carried out can be summarized as follows: 1. Thermal cycle analysisBased on the classical thermodynamics, influence of isobaric reheat and isovolumetric reheat on cycle output is discussed. Based on the finite time thermodynamic theory, the thesis discusses the optimization of Rankine cycle, Brayton cycle and Stirling cycle between constant temperature heat source and constant temperature heat sink or between variable temperature heat source and constant temperature.
第一、循环优化分析:采用经典热力学研究了等压再热与等容再热对循环功的影响;采用有限时间热力学深入研究了恒温热源一恒温冷源和变温热源一恒温冷源液氮发动机朗肯循环、布雷顿循环和斯特林循环的优化和对比;着重研究了工质导热率与热机换热器总导热率之比对循环性能的影响、高温侧换热器导热率与低温侧换热器导热率之比对循环功率的影响等内容;得到了一些对循环和系统设计具有现实指导意义的结论。
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In the preparation method, zirconium is mixed with benzenephosphonic acid according to the molar ratio of 1:2 to 1:4, and Alpha-zirconium phenyl phosphonate is produced by centrifugal washing after one to five days of crystallization under the temperature of 50 DEG C to 100 DEG C; deionized water is added in order to prepare Alpha-zirconium serosity, the solid content of which is 4 percent to 8 percent; the Alpha-zirconium serosity is granulated and dried by a rotary spray dryer, the feeding speed of the Alpha-zirconium serosity imported into an atomizer is controlled between 20ml/min and 80ml/min, and the temperature of a hot air inlet is controlled between 120 DEG C and 200 DEG C.
本发明涉及一种大比孔容微球α-苯膦酸锆及其制备方法,其颗粒尺寸为10~100μm,比孔容为0.908cc/g,比表面积为125.8m 2 /g;其制备方法是将锆和苯膦酸以摩尔比1∶2~1∶4混合,在50~100℃温度条件下晶化1~5天,离心洗涤得到α-苯膦酸锆;加入去离子水配制α-苯膦酸锆浆液,其固含量为4-8%;将α-苯膦酸锆浆液用旋转式喷雾干燥器进行造粒、干燥,控制α-苯膦酸锆浆液输入雾化器的进料速度为20~80ml/min,控制热风进风口温度为120~200℃;该方法具有操作简单、合成条件温和,对环境污染小等特点,该材料应用于催化、催化剂载体、吸附、离子交换等方面。
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COMPASS (Condensed-phase Optimized Molecular Potentials for Atomistic Simulation Studies) is used to calculate molecule potential energy in the method.
体积相关法比通常采用的等张比容法更能反映乳液聚合中单体种类和用量的变化对聚合物乳液表面张力的影响。
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This paper about the technics is to use the material of haloid liquid, ammonium bicarbonate and ammonia to preparate the super light MgO.
通过对碳酸氢铵和氨水的消耗量,反应温度对视比容、回收率的影响等工艺条件的研究和探讨,找到其最佳工艺条件。
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The accuracy of this equation to calculate the thermodynamic properties such as pvT, saturated liquid density, isochoric heat capacity, speed of sound, second virial coe...
比较了HFC-32的热力学性质,包括:压力-比容-温度、比定容热容、声速、第二维里系数、饱和液密度等的测量值与本状态方程计算值。
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The correlations between 0Zh,1 Zh and physical and chemical properties of alkyl benzene s,such as combustion heat,parachor,boiling point,heat of vaporization,standard free energy of formation,standard entropy,molar volume,water solubility,and partition coefficient of n-octanol/water,are investigated.
基于δiz和分子图的邻接矩阵,建构一种新的分子连接性指数mZh(m=0,1),并研究了0Zh,1Zh与烷基苯的燃烧热、等张比容、沸点、汽化热、标准生成自由能、标准熵、摩尔体积、溶解度、正辛醇/水分配系数等10种物理化学性质的相关性。
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The effect of the overlaying tiss ue on the measurement can not be ignored because the most interested tissue to b e monitored is the deeper tissue layers,such as muscle and brain,which are under adipose or skull.Apart from this,variations of the regional hemoglobin oxygen s aturation (rsO2),haematocrit and regional blood volume hav e their influences on the measurement.
然而在人体组织这个复杂的不均匀混合介质中,深层组织往往是感兴趣的待测部位,如皮脂下的肌肉组织,头皮和颅骨下的脑灰白质等,这时外层覆盖组织的存在会直接影响检测的精度;另外,全血的局部氧饱和度( rsO2)的波动,红细胞比容的变化,以及血容积都对测量精度产生影响。
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In the third chapter, the problem of WCDMA network capacity has been introduced from the point of wireless planning. Through the analysis on WCDMA system load factor, the interference level allowance as well as the signal to noise ratio, the relation among WCDMA system capacity, coverage and the grade of service is demonstrated. The method to compute system parameters, such as traffic volume, system capacity, load factor, disturbance allowance and plot radius is also presented.
第三章则从无线规划的角度提出了WCDMA网络的容量问题,通过对WCDMA系统的负荷因子、干扰电平容限以及信噪比的分析计算,阐述了WCDMA系统中容量和覆盖范围及服务质量三者之间的关系,并详细讨论了WCDMA无线规划中业务量、系统容量、负荷因子、干扰容限和小区半径等系统参数的确定。
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The dynamic behaviour of copper was investgated making use of an ex-perimental Lagrangian analysis technique,in which multiple manganin gauges were used to measure the stress-time history at different Lagrangian positions in the stress wave field,and a modified pathline method was used to analyse and solve the dynamic and physical parameters of the flow field.
利用拉氏分析方法对钨合金在高应变率下的力学性质进行探讨,分析各拉氏位置的应变,比容,密度,应变率,比内能,质点速度等物理量的变化历史,讨论不同晶粒度尺寸对钨合金在高应变率下动态力学性能的影响,给出钨合金在应变率为104~105s-1时的应力应变曲线。
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hematocrit:血容比
血液稀释法(hemodilution):血容比(hematocrit) 降低正常值的15%以上可减少血液粘稠度、并略为增加脑血流,但是过去数个大型的等容积性血液稀释疗法之临床试验并未肯定其治疗效果[19].
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parameters:参量
则 k 的称呼用"因子"(factor)这一术语. 物理化学中常见的入压缩因子、活度因子、渗透因子等. (2)参数或参量(parameters),比或比率(ratios)由两个量所得量纲一的商常称为比[率](radios)如物理化学中的热容比(Cp/Cv=γ).
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isopycnic:等偏微比容的,等密度的
isopsoralen 异补骨脂素,异补骨脂内酯 | isopycnic 等偏微比容的,等密度的 | isoquinoline 异喹啉
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isoquinoline:异
isopycnic 等偏微比容的,等密度的 | isoquinoline 异 | isoracemization 等消旋
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isosteric:等比容的 电子等排的
isostere 等比容线 同电子排列体 | isosteric 等比容的 电子等排的 | isostericsurface 等比容面 等体积度面
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isosteric:等比容的
isosteric 电子等排的 | isosteric 等比容的 | isosterism 同电子排列性
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isosterism:同电子排列性
isosteric 等比容的 | isosterism 同电子排列性 | isostimulation 同质刺激法
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Ratios:比率
则 k 的称呼用"因子"(factor)这一术语. 物理化学中常见的入压缩因子、活度因子、渗透因子等. (2)参数或参量(parameters),比或比率(ratios)由两个量所得量纲一的商常称为比[率](radios)如物理化学中的热容比(Cp/Cv=γ).