据美国《大众科学》杂志1月14日报道,美国研究人员日前利聚乙二醇在无毒塑料基质上成功培育出毛细血管,并且可以控制细胞在塑料凝胶中的生长方向。
Researchers from Rice University and Baylor College of Medicine grew a system of and capillaries on a nontoxic plastic matrix. They were able to control where cells grew in their plastic gel.
采用控制加权可变步长单纯形算法对PTC氨基酸的毛细管胶束电动色谱分离体系进行动态优化。
The systematic optimization for the MEKC separation of PTC amino acids by using a dynamic scouting optimization method controlled weighted centroid variable size simplex algorithm was established.
那么这个低压液态氟利昂出去的毛细管管通过控制阀13和进入换热单元16消耗热量从低品位热源。
Then this low-pressure liquid Freon goes out of the capillary pipe through Control valve 13 and enters Heat-exchange unit 16 to consume heat from low grade heat source.
通过控制间隙孔与毛细管中的气压差,可以制备出无间隙孔微结构光纤,并有助于保持包层孔的结构,大大提高了制备工艺的稳定性。
With this method, we can fabricate the MSF without the interstitial hole, and this will help to keep the cladding's structure, and enhance the stability of the fabrication.
只要微孔管的结构与微孔管的毛细孔径控制恰当,可以将0.2微米的微粒绝大部份滤住。
As long as the structure and the pore diameter of microporous tube can be controled appropriately, the vast majority of 0.2 micron particulates can be filtered out.
结论:胶束毛细管电泳在线推扫富集技术可用于药物的质量控制。
Conclusion: the advanced technique of on-line sweeping can be used in the control of pharmacy quality.
要想拉出粗细不同的大宽、韭叶、毛细、荞麦棱子,不但要臂力过人,对力道的控制还要刚中带柔。
To pull the dough into noodles of different thickness, a chef needs to have extraordinary strong arms and also exquisite skills in controlling his strength.
本文认为毛细管的相变传热机理为液膜的导热和表面蒸发;表面蒸发受蒸汽温度、汽液界面的温度以及汽液压力差的共同控制。
In this paper, it is believed that the heat transfer mechanism of phase change in a capillary tube belongs to liquid film conduction and surface evaporation.
通过控制电压偏置方向,利用电渗流效应使毛细管多孔导电膜的刻蚀成功率得到显著提高。
The success rate of porous conductive membrane preparation on fused silica capillary was greatly improved by control of voltage bias and electroosmosis effect.
结论顶空毛细管气相色谱法可用于控制新陈皮苷二氢查尔酮的质量。
Conclusion The headspace capillary GC method can be used to control the quality of neohesperidin dihydrochalcone.
毛细管破碎法微球制备装置的关键技术为压力控制技术、振动破碎装置选择以及二者的匹配。
The sticking point of installations based on CVM is the pressure control system, vibration & dispersing system and the matching of the two systems.
建立了一套既先进又适用于白酒生产质量控制的毛细管色谱分析技术。
It has been established a set of advanced and applicable method of capillary column Gc analysis for control the quality of white wine producing.
其中电喷雾质谱仪成为主要研制对象之一,本文针对电喷雾源中的金属毛细管加热部分,研制出了一套温度控制系统。
Electrospray mass spectrometry has become the main target of which developed one of this paper, metal capillary electrospray ionization source of heating, developed a temperature control system.
报道了毛细管柱气相色谱质谱联用(GC-MS)方法分析半挥发性有机物的质量控制研究结果。
The results on the quality control for the analyzing of semivolatile (SV) organic compounds by HRGC-MS are described.
结论高效毛细管电泳具有良好的重现性和准确度,可作为通心络胶囊快速准确的质量控制方法。
Conclusion The method has good reproducibility, precision and accuracy, and can be applied to quality control of Tongxinluo.
结果表明,毛细管电泳法分离能力强、分离效果好、简便、快速,能用于复方药物制剂的质量控制研究。
The results suggested CE not only had good separation power and resolution but also was simple and fast, which could be used to establish standardization method for steroids drugs.
目的比较了比色法、薄层色谱法、高效液相色谱法测定甲芬那酸中2,3 -二甲基苯胺杂质的方法,并建立了毛细管气相色谱法控制甲芬那酸中2,3 -二甲基苯胺的杂质限量。
Objective To compare colorimetry, TLC, HPLC, and establish a method for the limited control of 2, 3-dimethylaniline in mefenamic acid by GC with capillary column.
恒温水浴是重力式毛细管粘度仪的核心部件之一,其温度的准确、稳定控制为仪器的关键技术之一。
Thermostatic water bath is the one key part of gravity-capillary viscometers, and its temperature control is the one key technology of viscometers.
只要混凝土中毛细孔不是处于完全饱水状态,宏电池腐蚀反应即为混凝土电阻所控制。
The macro cell corrosion reaction is controlled by the concrete resistance when the absolute water saturated situation is not reached in the capillary system of concrete.
通过用甲苯和无水乙醇,作者对初步研制的金属毛细管粘度计进仃了检验,试验结果表明,粘度测量的误差已经可以控制在10%以内,进一步的研究工作正在继续。
According to the experimental results with toluene and ethanol, the error of the viscometer has been less than 10%, and the further improvement work is under developing.
在高热流条件下电热毛细管材料的消融过程中 ,会形成壁面蒸气罩效应 ,这种等离子体壁面蒸气罩特性对消融控制电弧发生器的工作性能非常关键。
While the capillaries materials are being ablated under the high heat fluxes condition, vapor shield often occurs near the inner wall, which could help control the surface being eroded furthermore.
在高热流条件下电热毛细管材料的消融过程中 ,会形成壁面蒸气罩效应 ,这种等离子体壁面蒸气罩特性对消融控制电弧发生器的工作性能非常关键。
While the capillaries materials are being ablated under the high heat fluxes condition, vapor shield often occurs near the inner wall, which could help control the surface being eroded furthermore.
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