查询词典 peg float

In the preformulation study, the ultraviolet spectrum and HPLC methods for the assay of α-asarone were established firstly and then the physicochemical properties, especially the octanol/water partition coefficient and the solubility in various solvent systems such as alcohol, PEG 400, IPM, octanol were examined. The prediction permeability was then compared with actual transdermal parameters obtained from the in-vitro diffusion study , and feasibility of drug transdermal absorption was then analyzed.

在制剂开发的处方前研究工作中，首先建立了α-细辛醚的紫外及HPLC分析方法，测定了药物的油水分配系数及在生理盐水、各系列浓度的乙醇、PEG400、肉豆蔻酸异丙酯、正辛醇等溶媒中溶解度；其次，确立了药物体外经皮渗透研究的方法，并考察溶媒及促渗剂(乙醇、丙二醇、肉豆蔻酸异丙酯等)对药物体外经皮渗透性能的影响，计算药物经皮渗透的各参数，根据药物的药物动力学参数，分析了药物经皮吸收的可行性。

The regulations of different water stress and rewater on chlorophyⅡ fluorescence induction kinetics parameters of farm crop leaves were studied , using maize under PEG simulation and the paddy rice in pot .

以夏玉米和水稻为试验材料，采用PEG模拟水分胁迫试验和盆栽实验，研究了不同程度水分胁迫及复水后作物叶片荧光参数的变化规律。

From simple idea, off-the-peg group, to mature company, product, arrive again golden hill, rainstorm the mature company with such operation very strong capability, co-worker people located phase has each different, the specific collaboration pattern that lays from this also has each different, but should pass only " 18 plans " choose slashingly, won royal fervent support.""

从简单的概念，现成的团队，到成熟的企业、产品，再到金山、暴雨这样运营能力很强的成熟公司，合作者们所处的阶段都各有不同，由此生的具体合作模式也各有不同，但只要通过&18计划&苛刻的筛选，都获得了盛大的慷慨支持。&&

When the PEG block begins to crystallize, the PLLA phase is always partially solidified and the presence of the spherulitic microstructure of PLLA profoundly restricts its crystallization behavior, which results in that the overall crystallization process does not obey the Ozawa equation.

此外，不同降温速率下的结晶形貌研究结果表明，随着降温速率的增加，晶体经历了从环带球晶、环带和十字消光的混合球晶到典型的十字消光球晶的转变，并且球晶的尺寸也明显变小。

The result shows that for both PCL homopolymers and PCL-b-PEG block copolymers, the spherulitic linear growth rate first increases with molecular weight and reaches a maximum, then decreases as molecular weight increases. Crystallization temperature has greater influence on the spherulitic growth rate of polymers with higher molecular weight.

当自由PEG在水中的占有面积S_o与单根PEG链段所占有的表面积S的比值S_o／S的值接近或小于3时，PEG链段对胶束形状的影响较小，PCL嵌段的影响占主导地位，易形成片状胶束；当S_o／S的值在3-10之间时，随着PCL嵌段分子量的增加，PCL-b-PEG嵌段共聚物在水溶液中自组装形成类似球状、棒状和蠕虫状胶束，是PEG与PCL嵌段共同的作用的结果；当S_o／S的值大于10时，易形成球状胶束。

Liposomal entrapment efficiency of urokinasein by MREV is as high as 65％, which is not evidently influenced by incorporation of phospholipid derivatives such as DSPE-PEG-RGDS and Stearyl RGDS.

改良反相蒸发法在磷脂相转变温度以下制备脂质体以提高包封率的效应在尿激酶上得到了很好的体现。

Addition of DSPE-PEG-RGDS and Stearyl RGDS in liposomal prescription gives birth to two targetedly thrombolytic liposomes. The former has long circulating function, the latter has no long circularing action but carries two times directing molecules as that carried by the former.

将DSPE-PEG-RGDS和Stearyl RGDS分别掺入脂膜中制备得到了两种靶向溶栓脂质体，前者同时具有长循环作用；后者不具长循环功能，但导向分子的携载量为后者的两倍。

In order to increase the number of grafting points, multi-amido polymers aminoehylaminopropyl poly(dimethyl siloxane and polyacylamide were first introduced to surface of PCU film, then grafted with APEG, finally, an ring-opening reaction of propane sultone on the PCPU surface was performed. The single hydroxyl PEG with sulfoammonium

用化学分析能谱分析聚合物表面元素，结果表明，与直接在表面接枝聚乙二醇衍生物的方法相比，先引入多官能团聚合物的方法明显提高了接枝率。

The optimum condition of preparing process were obtained: the amount - of - substance ratio of sodium hydroxide and eerie sulfate tetrahydrate was 4.8:1 ,the quantity of PEG was 8 mL in reaction and 7 mL in washing, absolute alcohol was 10 mL in washing, irradiation time was 6 min, constant microwave irradiation pressure was 0.14 MPa, microwave power was 232 W, the ultrasonic wave dispersing time was 10 min and the microwave drying time was 10 min.

通过考察制备过程中的各个影响因素，得到了制备纳米二氧化铈的最佳工艺条件：氢氧化钠与四水硫酸高铈物质的量比为4.8：1；聚乙二醇的反应用量为8mL，洗涤用量为7mL；无水乙醇的洗涤用量为10mL；微波恒压时间为6min；微波压力为0.14MPa；微波功率为232W；超声波分散时间为10min；微波干燥时间为10min。

The results indicate that the pHbs modified with PEG and DBBF have more stable tetrameric conformations with a molecular weight of 107 kD. Their oxygen half-saturation pressure (P50) is around 3.33 kPa which approximates the physiological P50 of human red blood cells.

结果证明，联合修饰产物具有稳定的四聚体结构，分子量达107000，半饱和氧分压P50在3.33KPa左右，接近於生理条件下人体红细胞的P50值。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。