In addition, elutriation, growth, shrinkage and reaction act differently for the different-sized particles in the bed . 此外，扬析、长大、缩小和反应对床层中不同粒度的颗粒所引起的作用也不相同。
Cmi is a market leader in the supply of coal drying centrifuges to the worldwide coal industry 离心机械公司是煤炭脱水离心机方面的世界领先供应商，他们有三条独立的生产线，产品可为不同粒度的煤进行脱水。
On the consideration of the important function of xml in message communication , security plan and the standard of digital signature in different granularity is given 鉴于xml在消息通信中的重要作用，研究了不同粒度的安全方案和数字签名标准。
Standards have been exported largely to over 50 countries , some of them in the way of oem . our powder loads and drive pins are compatible with the tools of hilti , 主要产品有：射钉紧固器材系列射钉弹射钉器射钉化工系列不同粒度的斯蒂酚酸氨基胍重碳酸盐。
After that , component based application software framework is studied , and we focus on extended rbac model , which can authorize permissions to accessed objects according to their different granularity 之后,本文研究了基于构件的应用软件框架元模型,着重研究扩展的角色权限控制模型,它可以对被访问的对象进行不同粒度的授权。
Then , we focus on the business component model , abstract several components according to different granularity from the typical user pattern and use z formal language to describe the specification of components and their assembly mechanism 接着研究了业务构件模型,根据用户模式抽象出几种不同粒度的数据块构件,并用形式化描述语言z语言对构件及其组装机制进行规约。
The vickers hardness , bending strength and fracture toughness were studied . the experiment results show that the starting powders size has a significant effect on the properties of al2o3 - tic ceramics . the al2o3 - tic ceramics with various additions of tic , from 15 to 35 wt . % , 对不同粒度的原料粉末制备的al _ 2o _ 3 - tic复合陶瓷，随着原料粉末的逐步变细，复合陶瓷的抗弯强度和断裂韧性都逐步提高，但原料粉末的细化对硬度却没有与此对应的影响。
The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied , and on the basis of this study , composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol . % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology . pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads 本文研究了铸态cu20ni20mn和cu20ni35mn合金的时效硬化特性及其与铸造碳化钨的界面特性，并在此基础上以不同尺寸( 42 362 m )的铸造碳化钨颗粒为增强体，采用真空热压液相烧结技术制备了不同颗粒含量( 0 45vol . )的铸造碳化钨颗粒增强cu - ni - mn合金基复合材料；以不同粒度的sic为磨料，在不同载荷条件下利用销?盘磨损试验机测试了复合材料的二体磨料磨损性能。
Results show that : ( 1 ) for each particle size of andalusite , variation tendency of the properties of the material is generally the same : the maximum of bulk density , compressive strength and rupture strength appears in the range of 5 % - 10 % content of fiber , these properties of the material remarkably decrease as the fiber content exceed 10 % ; while at the same fiber content , the properties of the material increase with the increase of firing temperature 结果表明： ( 1 )对于不同粒度的原料，性能变化规律大致相同：在同一烧成温度下，体积密度、常温耐压强度、常温抗折强度在5 10之间出现峰值，加入量超过10之后材料的性能明显下降；在相同的纤维含量下，随着烧成温度的提高，试样的各项性能均有所上升。
This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass , which distill the bio - oil in the domestic and international area , as well as the existing problems . this thesis primarily include following aspects : ( l ) , by experimenting and measuring the energy ( heat value ) and the content of c , h , n chemical element of right 20 kinds of common biomass , on the base of the experimental result , and respectively established the biomass energy predict experiment formula with the element of h and c is from change , and passed the ro . os examination , which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ) , proceeded the tg and dtg experimentation equal velocity ( 10 ? / min , 20 ? / min , 40 ? / min , 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples , according to the experimental data and arrhenius formula , we established the dynamics model of pyrolysis of , then , using the goast - redfern and p function , we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy , and established the every kind of dynamics model of pyrolysis of biomass , all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ) , in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles , we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope , we concluded the l / d ratios usually is from 5 . 0 to 6 . 0 , the average is 5 . 3 ; ( 4 ) , we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field , we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis , and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical , all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ) , according to the above experiment result , synthesize to make use of the engineering the mechanics , engineering the material , machine the design to learn the principle , deduce , establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ) , we gave the reactor ' s smallest cone angle certain , reactor cone wall strength design theory , the reactor production ability theory , the power design method and the critical rotation velocity theory 本文较全面、系统地综述了国内外生物质热解液化制取生物燃油技术研究发展现状及存在的问题，主要研究内容有： ( 1 )实验、测定了20种常见生物质的能量(发热量)和c 、 h 、 n元素含量，根据实验结果分别建立了以h和c为自变量的生物质能量预测经验公式，并通过r _ ( 0 . 05 )检验；为闪速热解液化装置能量转化率计算和生物质能量利用率计算提供了依据和方便； ( 2 )选择了8种生物质试样作了等加热速率( 10 min 、 20 min 、 40 min 、 60 min )和恒温加热的tg和dtg实验，根据实验数据和阿伦尼乌斯公式建立了生物质热解反应动力学微分方程，并采用goast - redfem积分法和p函数对其动力学参数进行了求解，解析出各种生物质的频率因子和活化能参数，进而建立了各种生物质的热解动力学模型，为科学确定反应器的闪速热解工作温度范围及热解反应动力学描述，提供了理论和依据； ( 3 )为研究和确定不同尺度的生物质颗粒中心达到全热解的时间，在体视显微镜下对不同粒度的生物质颗粒的长径比进行了实验观察和测定，得出生物质的长径比( l d )一般在5 . 0 6 . 0之间，平均为5 . 3的结果； ( 4 )采用复杂温度场传热学理论对生物质传热过程及充分热解时间理论进行了研究，解析推导出了不同尺寸生物质颗粒中心温度达到充分热解温度的时间( t ) ，得出了理论推导的充分热解时间与最大产油率的热解时间相一致的结果，为闪速热解反应器固相滞留时间设计和预测提供了理论依据； ( 5 )根据上述实验结果，综合运用工程力学、工程材料、机械设计学原理，推导、建立了转锥式闪速热解反应器物料滞留时间( )与转速(或频率)合理匹配理论； ( 6 )提出了转锥式闪速热解反应器的最小锥角设计、锥壁强度设计、生产能力设计理论和功率计算方法及临界转速理论等。
