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渗透量
相关语句
  permeation quantity
    The relation between temperature T and hydrocarbon solvent permeation quantity J is J=a 2e b 2T .
    烃类溶剂渗透量J随温度T的变化关系为:J=a2eb2T。
短句来源
    METHOD: Using improved Franz-type diffusion cel l and excised rabbit skin in vitro as transdermal barrier, the kinetics parame ters such as cumulative permeation quantity, permeation rate,permea tion lagged time and permeation coefficient were determ ined by RP-HPL C.
    方法 :采用改良的Franz扩散池 ,以离体新西兰家兔皮肤为透皮屏障 ,用高效液相色谱法测定不同透皮吸收促进剂对格列美脲累积渗透量、透皮吸收速率、透皮时滞和渗透系数等体外透皮吸收动力学参数的影响。
短句来源
  “渗透量”译为未确定词的双语例句
    SEM and XRD results indicate that the membranes were demse ZSM-5 zeolite layer,the permeability of H_2 through the membrane was up to 3.690×10~(-6) mol/(m~2·s·Pa),the ideal separating factor of H_2 to C_3H_8 was 25.625
    对膜进行单气体渗透量测试,膜的H2渗透量3.69×10-6mol/(m2·s·Pa),H2/C3H8的理想分离因子为25 6.
短句来源
    Results showed that the membrane was extremely effective for the dehydration of isopropanol/water mixtures by pervaporation. At 323 K and 343 K, the separation factors and the fluxes were more than 10 000 at m(C_3H_8O)/m(H_2O)=95∶5 and 1.27 kg/(m~2·h) and 1.74 kg/(m~2·h), respectively.
    考察了A型分子筛膜的渗透汽化性能,结果表明,在温度为323K和343K下,当原料液中异丙醇的质量分数为95%时,其水/异丙醇分离系数都大于10000,渗透量分别为1.27kg/(m2·h)和1.74kg/(m2·h).
短句来源
    Results: The penetration equation of sinomenine gel was Q=65.852 t-55.677(r=0.991 9).
    结果:实验结果表明,青藤碱凝胶剂体外透皮释药方程为Q=65.852t-55.677(r=0.991 9),10 h累积渗透量为638μg/cm2。
短句来源
    The Relationship Between pH Value and Permeability of Pharmaceuticals Through Fibroin Protein Membrane
    丝素膜上药物渗透量对溶液pH值的响应
短句来源
    A kind of device to measure oxygen permeability of the copolymer hydrogel membrane was designed, and oxygen permeability of the copolymer hydrogel were measured by this device as well.
    采用自行设计的水凝胶膜透氧性能测定装置,用测氧仪测定不同渗透时间下氧气的渗透量,研究了共聚物水凝胶角膜接触镜材料的透氧性能。
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A recycling membrane fermentor was designed by using synthetic semiper- meable plate membranes in a semiclosed-loop configuration with a continuous stirred-tank reactor.The conversion of glucose to ethanol by a yeast(Saccha- romyces cerevisiae )was a function of cell concentration and dilution rate. At a cell concentration of approximately 5×10~8/ml in the fermentor,and an inlet glucose concentration of 143 g/L,the productivity was 9.06 g ethanol/ L.h at a dilution rate of 0.4.Under these conditions,the utilization...

A recycling membrane fermentor was designed by using synthetic semiper- meable plate membranes in a semiclosed-loop configuration with a continuous stirred-tank reactor.The conversion of glucose to ethanol by a yeast(Saccha- romyces cerevisiae )was a function of cell concentration and dilution rate. At a cell concentration of approximately 5×10~8/ml in the fermentor,and an inlet glucose concentration of 143 g/L,the productivity was 9.06 g ethanol/ L.h at a dilution rate of 0.4.Under these conditions,the utilization of glu- cose was 63%,while the productivity of batch fermentation is 3.0 g ethanol /L.h at 100% glucose utilization.By periodic back-flushing of the membra- ne,the transmembrane flux can be stabilized at an acceptable level.

将板框式超滤膜组件与发酵釜组成一个半封闭的回路系统,构成膜循环发酵器。用啤酒酵母从葡萄糖发酵制乙醇的过程中,葡萄糖的转化率是酵母细胞浓度和稀释率的函数,在平均细胞浓度为5.0×10~8/ml,进料葡萄糖浓度为143 g/L,稀释率为0.4h~(-1)时,生产率为9.06 g/L·h。此时,葡萄糖利用率为63%。而在间歇发酵时,生产率为3.0g/L.h,葡萄糖利用率为100%。通过对膜组件的定时反冲,可使膜组件的渗透量稳定在一个较高的水平。

The extrusion moulding technology and equipments for transparent rigid PVC sheets were described in this paper, with em-phasis on the flow sheet, equipments, formulation, process conditions, the specification and properties of the products. The resultsshowed that the properties and health standard of the trasparent rigid PVC sheets produced with the equipments and formulationfrom the raw materials mentioned in this paper came up to a certain level: width 1150mm, thickness 0. 05-0. 45mm, density1.31g/cm~3, light...

The extrusion moulding technology and equipments for transparent rigid PVC sheets were described in this paper, with em-phasis on the flow sheet, equipments, formulation, process conditions, the specification and properties of the products. The resultsshowed that the properties and health standard of the trasparent rigid PVC sheets produced with the equipments and formulationfrom the raw materials mentioned in this paper came up to a certain level: width 1150mm, thickness 0. 05-0. 45mm, density1.31g/cm~3, light transmission 89.1 %, tensile strength 58.0MPa(vertical), 51.7MPa(horizontal) , elongation at break 99. 4%(vertical) , 37.5% (horizontal), water vapour permeability 0.89g/m~2. 24h, heat stability at 210℃ 24 min, vinyl chloridemonomer content 0.15ppm.

本文分别从挤出工艺及设备介绍了PVC透明硬片的挤出成型。主要叙述了工艺流程、所用主要设备、配方、工艺条件以及产品的规格和性能。结果表明,用本文所述的原料、设备、配方及工艺控制条件生产的PVC透明硬片,其性能及卫生指标均达到一定要求:宽度为1150mm,厚度0.05~0.45mm;密度1.31g/cm~3;透光率89.1%;拉伸强度:纵向为58.0MPa,横向为51.7MPa;断裂伸长率;纵向99.4%,横向37.5%;水蒸汽渗透量0.89g/m~2·24h;210℃热稳定时间24min;氯乙烯单体含量0.15ppm。

The studies were made on the permeability of permeable media into epoxy resin varnish film in terms of the effective crosslink density (σ) , relative solubility parameters (ζR) and permeability indexes (PI). It was proved that the calculated permeability rate (Rc) was the same as the experimentally meassured permeability rate (Rm) and therefore a method has been provided for estimation and prediction of the permeability of the media.

本文从环氧漆膜的有效交联密度(ρ),相对溶度参数(δ_R)未溶透指数(PI)入手,研究渗透介质对环氧漆膜的渗透能力.证明渗透介质对环氧漆膜的计算渗透量(R_c)与试验测定渗透量(R_m)基本一致.为评价和预测渗透介质的渗透能力提供一种快速方法.

 
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