流率

The carbon foam were prepared by self-bubbling at high pressure from AR pitch added sodium dodecyl benzene sulfonate and Span-40, respectively. The bulk density, pore rate, compressive strength, thermal conductivity at room temperature and crystallitic parameters of carbon foam were measured. The rheological properties of AR pitch and pore structure of carbon foam were investigated.

以十二烷基苯磺酸钠和Span-40表面活性剂为添加剂，AR沥青为原料，制备炭素泡沫材料，测定了材料的体积密度、显气孔率、压缩强度、常温热导率以及微晶结构参数，研究了添加表面活性剂后AR沥青的流变性能和炭素泡沫材料孔胞结构的变化。

Under the condition of different velocity of downstream.flux、waterline and so on, the conclusioti drawn from the experiment 'isthat the ratio of reduced resistance is relevant with the velocity of thedownstream and the jetted gas' the waterline of model and the dashplate.

通过不同来流速度、不同流量以及不同吃水等情况下的试验，结果表明：减阻率与来流速度、气体喷射速度、船模的吃水以及有无压浪板有关。

This work was first brought forward in SVC,and it can not only enhance error resilient capability of SVC bit-stream,but also maintain consistent bit-rates between input and output of the transcoder.4 This dissertation proposes discardable data adaptation in encoder.

该方法在SVC中首次提出，不仅能提高码流的容错能力，且能保证经过转码器的码流输入输出比特率的一致性。4提出SVC编码端的可丢数据自适应技术。

Results The effect of intervention chemoembolization was remarkable on the symptom of hematemesis or hematochezia,the rate of radical cure resection reached 100%,the contrast group reached 55.36%,palliative resection reached 28.57%,transition 16.07%.

结果 胃动脉介入化疗栓塞后对进展期胃癌及合并呕血、便血的效果显著，根治性切除率达100%，对照治疗组根治性切除率达55.36%，姑息性切除术28.57%，转流术16.07%。

Results The effect of intervention chemoembolization was remarkable on the symptom of hematemesis or hematochezia,the rate of radical cure resection reached 100%,the contrast group reached 55.36%,palliative resection reached 28.57%,transition 16.07%.

结果 胃动脉介入化疗栓塞后对进展期胃癌及合并呕血、便血的效果显著，根治性切除率达100%，对照组根治性切除率达55.36%，姑息性切除术28.57%，转流术16.07%。

The PSCA_3 fragment was selected for its superior expression level in eukaryotic cells.Then the sig-PSCA_3-Fc-GPI genetic fragment was cloned into pVAX1-neo-IRES-GM/B7 vector to construct the final immunological inhanced DNA vaccine pVAX1-PSCA_3-FcGB. Immunofluorescence and flow cytometry were used to confirm the expression of PSCA_3 fragment by transfected into Cos7 cell.Finally,the anti-tumor effect of pVAX1-PSCA_3-FcGB was tested in murine prostate cancer model generated by RM-1 cell line.The animal was immunized with pVAX1-PSCA_3-FcGB DNA vaccine by intramuscular injection plus electroporation,pVAX1 and pVAX1-PSCA_1-FcGB plasmid were used as control.The inhibitory effect of tumor was investigated by observion of forming time,volume and inhibition ratio of tumor.Results:DNA sequencing conformed that the heterological PSCA fusion antigen fragment which was synchronized by overlapping-extending-PCR,was consistent to design.Enzyme digestion analysis showed that the 1 to 4 copies heterological PSCA fusion antigen fragments were constructed successfully.

方法(1)检索GenBank，选择包含人主要T细胞抗原表位序列的人PSCA基因片段，应用异种化抗原设计技术，保留人T细胞抗原表位，设计异种化PSCA融合抗原片段；(2)根据核酸序列按中心模板法设计引物，应用重叠延伸PCR技术拼接合成异种化PSCA融合抗原片段基因，以PCR、限制性酶切和DNA序列测定法进行鉴定：(3)利用DNA限制性内切酶BssHⅡ和MluⅠ酶切后粘端互补的特点，采用同尾酶法构建1—4拷贝异种化PSCA融合抗原片段(PNCA_1-PSCA_4)，并将上述片段分别插入真核表达载体pCI-neo-Fc-GPI中，转染293T细胞，借助免疫荧光+流式细胞术考察插入片段表达效率，最终选定PSCA_3片段进行下一步研究；(4)将sig-PSCA_3-Fc-GPI基因片段自pCI-PSCA_3-Fc-GPI质粒上切下，插入pVAX1-neo-IRES—GM/B7载体中，构建免疫增效DNA疫苗pVAX1-PSCA_3-FcGB，并应用转染Cos7细胞+免疫荧光/流式细胞术方法鉴定其在真核细胞中的表达情况；(5)给8周龄雄性C57BL/6小鼠皮下种植RM-1细胞，制备小鼠前列腺癌模型，并采用股四头肌肌肉注射+电脉冲法(Electroporation，EP)接种DNA疫苗质粒pVAX1-PSCA_3-FcGB，同时接种pVAX1空载体质粒和pVAX1-PSCA_1-FcGB质粒作为对照，通过观察计算免疫动物的成瘤时间、肿瘤体积和抑瘤率，来评价该DNA疫苗在小鼠体内的抑瘤效果。

Based on the principle of current meter measurement, this article makes analysis on the influence of measured discharge by measurement distance and width error caused by hydrometric cableway counter.

从流速仪测流的原理，分析由水文缆道计数器而产生的测距、测宽误差对实测流量的影响，进一步说明水文缆道计数器率定与比测的必要性，并结合实际提出缆道计数器率定前实测流量的校正方法。

It is the inoculable sludge, the peculiarity of wastewater and the framework configuration of the ABR that cause the predominant growth of acidogenic bacteria.(2) The complex containment was gradually removed by sort in the ABR, which showed the ABR has typical characteristics of the plug flow system. Along with the raising of the OLR, The gas yield and rate increase at the same time. The distribution of the gas yield and rate in the ABR is normal school along the way.

对ABR沿程的COD、VFA以及pH的变化规律进行分析，结果表明ABR对有机物的降解过程具有典型的推流系统特征，复杂污染物是以分类逐级的形式得以去除的；污染物的去除主要发生在1～3格室(COD去除贡献为50～80％)，随有机负荷的提高，去除主体逐渐后移；系统产气量及沼气产率均随有机负荷的提高而增加；处理红霉素废水时，格室产气量及产气率沿程呈正态分布，分析认为，这是由ABR的特性及废水本身的特点综合作用的结果。

Especially, it is found that there exists three types of relative permeability of water such as concave, convex to the water saturation ax and the reversed "S" pattern. The super-low permeability reservoir is sensitive to pressure, apparent with millipore undersaturation and water blocks. In this study, a new concept of irriducible undersaturation is brought up. And a new mode to describle the process of imbibition dynamics is used to reveal and confirm the mechanism of pinhole enveloping macropore as following: pendular ring of wetting phase gathers→it fills throat→it truncates nonwejting phase . The expression of pressure distribution and the equation of oil production are deduced under conditions of non-darcy linear seepage and non-linear seepage.

尤其发现水相相对渗透率曲线存在凹向、凸向含水饱和度轴及反S形三种形式；特低渗透储层的压力敏感性强，微孔隙的欠饱和及水锁效应显著，本文研究中提出欠束缚水饱和度的概念，引用一种描述渗吸动态即湿相液环聚集→充填喉道→截断非湿相的演化过程的新方法，更深刻地揭示和证明了&小孔包围大孔&机理；推导出了非达西线性渗流和非线性渗流条件下的压力分布表达式和油井产量方程。

The structure of the circuit is mainly used in power systems of portable electronics. A super β lateral PNP is used as the output pass transistor,so that the design of this structure has low dropout, low quiescent current, low-linear regulation and load regulation characteristics, and has the functions of ON／OFF、the thermal 、overvolt and overcurrent profection.

该电路主要应用于便携式电子产品的电源系统中，调整管采用超β横向PNP管，使其具有低压差、低静态电流、低线性调整率和低负载调整率的特点，同时含有使能开关、过温、过压和过流保护等功能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。