单膜

The methods and the precesses of the silver anti-tarnishing ,such as extremely thin metal coating,anodic passivation treatment,cathodic electrophoresis,chemical passivation and self-assembled monolayer,have been evaluated.

分析了银器表面在硫化物、硫氧化物等腐蚀性气体环境中变色的机理和影响因素，讨论了银器表面处理防变色(贵金属或合金的涂层、阳极化钝化、阴极电泳、化学钝化、自组装单分子膜的防腐蚀等)的方法和加工技术，并提出了包装贮存材料处理防银器变色的新途径。

For this reason, a novel PPOP was designed and prepared using two side drilling technology and water-insoluble drug gliclazide was employed as model drug. Influencing factors from six aspects were studied which was drug layer formulation, push layer formulation, coating formulation, orifice properties, tableting art and dissolution conditions, respectively, and the difference between the dissolution profiles of novel PPOP and conventional PPOP was also evaluated by similarity factor (f_2). Through determination of the viscosity of drug layer and push layer of the novel PPOP, the mechanism of drug release from novel PPOP was discussed by the help of Poiseuilles law of laminar flow.

因此，本文以难溶性的格列齐特为模型药物，在传统型推拉式渗透泵的基础上，设计并制备了双面打孔型推拉式渗透泵；通过单因素研究从含药层处方、助推层处方、衣膜处方、释药孔性质、压片工艺以及体外释药条件六个方面，对影响双面打孔格列齐特推拉式渗透泵片释药行为的因素进行了详细的考察，同时，应用相似因子法对以上各种因素下双面打孔型推拉式渗透泵和传统型推拉式渗透泵释药特点的异同进行了系统的研究；在此基础上，通过对双面打孔型推拉式渗透泵含药层和助推层黏度的测定，结合流体力学中的Poiseuille层流定律方程，对双面打孔格列齐特推拉式渗透泵片的释药机理进行了较为深入的探讨。

For this reason, a novel PPOP was designed and prepared using two side drilling technology and water-insoluble drug gliclazide was employed as model drug. Influencing factors from six aspects were studied which was drug layer formulation, push layer formulation, coating formulation, orifice properties, tableting art and dissolution conditions, respectively, and the difference between the dissolution profiles of novel PPOP and conventional PPOP was also evaluated by similarity factor (f2). Through determination of the viscosity of drug layer and push layer of the novel PPOP, the mechanism of drug release from novel PPOP was discussed by the help of Poiseuille's law of laminar flow.

因此，本文以难溶性的格列齐特为模型药物，在传统型推拉式渗透泵的基础上，设计并制备了双面打孔型推拉式渗透泵；通过单因素研究从含药层处方、助推层处方、衣膜处方、释药孔性质、压片工艺以及体外释药条件六个方面，对影响双面打孔格列齐特推拉式渗透泵片释药行为的因素进行了详细的考察，同时，应用相似因子法对以上各种因素下双面打孔型推拉式渗透泵和传统型推拉式渗透泵释药特点的异同进行了系统的研究；在此基础上，通·药学论文过对双面打孔型推拉式渗透泵含药层和助推层黏度的测定，结合流体力学中的Poiseuille层流定律方程，对双面打孔格列齐特推拉式渗透泵片的释药机理进行了较为深入的探讨。

For this reason, a novel PPOP was designed and prepared using two side drilling technology and water-insoluble drug gliclazide was employed as model drug. Influencing factors from six aspects were studied which was drug layer formulation, push layer formulation, coating formulation, orifice properties, tableting art and dissolution conditions, respectively, and the difference between the dissolution profiles of novel PPOP and conventional PPOP was also evaluated by similarity factor (f2). Through determination of the viscosity of drug layer and push layer of the novel PPOP, the mechanism of drug release from novel PPOP was discussed by the help of Poiseuille's law of laminar flow.

因此，本文以难溶性的格列齐特为模型药物，在传统型推拉式渗透泵的基础上，设计并制备了双面打孔型推拉式渗透泵；通过单因素研究从含药层处方、助推层处方、衣膜处方、释药孔性质、压片工艺以及体外释药条件六个方面，对影响双面打孔格列齐特推拉式渗透泵片释药行为的因素进行了详细的考察，同时，应用相似因子法对以上各种因素下双面打孔型推拉式渗透泵和传统型推拉式渗透泵释药特点的异同进行了系统的研究；在此基础上，通过对双面打孔型推拉式渗透泵含药层和助推层黏度的测定，结合流体力学中的Poiseuille层流定律方程，对双面打孔格列齐特推拉式渗透泵片的释药机理进行了较为深入的探讨。

The functions of inhibition of stress responses of single epidural anesthesia and caudal block are better than that of intravenous generalized anesthesia.

单次硬膜外麻醉与骶管阻滞抑制小儿术中应激反应的效果较氯胺酮复合羟丁酸钠静脉全麻好。

Damping constant andfrequency of capillary waves were affected by the viscoelastic properties ofmonolayers.

表面张力波的阻尼常数与频率受单分子膜粘弹性质的影响。

In order to investigate the influence of membrane diffusivity on the charge-discharge performance of a single all vana- redox flow battery,the diffusion coefficients of VO~(2+) and VO_2~+ in two types of given ion exchange membrane s were measured with a specific designed permeation cell,the diffusion coefficients were about 10~(-9)～10~(-7) cm~2/s.

为了研究隔膜扩散特性对全钒氧化还原液流单电池充放电性能的影响，利用设计的渗透池实验测定了VO2+和VO2+在两种离子交换膜中的扩散系数，约为10-9~10-7cm2/s。

The accelerator physics problems of the upgrading program were discussed here, which include the space charge effect on the very low energy beam line, non-parity acceleration at the injector cyclotron SFC, longitudinal match between two cyclotrons, strong magnetic field leakage afluence on the beam transfer at low and very low energy, residual first harmonic magnetic field in the main cyclotron SSC injection region, the low efficiency and beam quality of heavy ions after through stripper etc.

主要问题有：超低能束流传输的空间电荷效应的影响，扇聚焦回旋加速器SFC高频加速电压不对称对束流轨道的影响，用半频聚束的方式补偿两台回旋加速器的纵向不匹配，前束线上聚束器的工作模式的选取，强杂散磁场对超低能和低能束流传输的影响，分离扇回旋加速器SSC注入区过垫补磁场对注入束流轨道的影响，SFC和SSC的单圈引出，重离子通过剥离膜后的束流损失和束流品质的变坏等。

In this study, we assessed the accuracy and precision of thetransverse approach, using a "single-screen" method, to facilitatelabor epidurals.

在本研究中我们评估了横向超声单屏显像的方法在分娩硬膜外定位中的精度和准度。

ASpheric FeNi nanoparticles with average diameter of about 70 nm were obtained in the system of cetyltrimethyl ammonium bromide/H_2O,while most of the products were nanofilms/rods with the addition of cyclohexane; nearly monodisperse FeNi nanoparticles with average diameter of about 25 nm were prepared in the system of PEG/cyclohexane/H_2O.With the assistance of ultrasonic,a no-surfactant method to 8.5 nm FeCo nanocrystals with high Ms(＞200.5 emu/g)has been developed with economical FeCl_3·6H_2O as iron sources.

a以水合肼为还原剂在十六烷基三甲基溴化铵/H_2O体系中得到了平均粒径约70 nm的FeNi合金球形颗粒，当在此体系中加入环己烷时样品主要形态为纳米膜/棒；于PEG/环己烷/H_2O体系中制备了单分散性较好的平均粒径约25 nm的FeNi合金纳米颗粒，合金纳米颗粒粒径随金属离子浓度减小而减小。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐