分离

At present inland the shortcoming in separation is that the resolutionand use ratio of resin is low, the amount of coloring matter contained in products istoo high, and the purity and yield of 5'-Cytidine triphosphate is too low and etc.

目前国内在分离方面存在的缺点是：所用树脂的分离度低；树脂利用率低；所得产品色素含量高；产品的收率和纯度较低等。

Aiming at above problem, this paper put forward the strategy of separation as follows. Firstly, in view of great amount of coloring matter in solution, the quality of product is declined. So we decolor the solution by acticarbon, which makes 80% coloring matter be removed, but the loss of nucleotides is only about 2%. Secondly, on the basis of physical and chemical properties of four nucleotides, we first synthesized a kind of cation exchange resin by ourselves which is used to separate four matters preliminarily.

针对以上问题，本文提出了如下的分离策略：首先，由于酶解液中色素含量较多，使经树脂分离所得UMP和GMP中色素残留较多，最终导致成品质量的下降，所以我们用活性炭对酶解液进行脱色处理，使溶液中80％以上的色素被吸附除去，而核苷酸的吸附损失仅为2％左右。

In summer everything that's supposed to stick together comes apart, and everything that's supposed to come apart sticks together.

夏天所有该粘在一起的东西都分离了，所有该分离的东西都粘在一起了。

Methods Re-operations were done in235cases with recurrent cardiac valve diseases from1985to2003.Aˉmong these patients,155cases had received closed mitral commissurotomy,12with mitral valvuloplasty,43with biologˉical prosthetic failure,6with mechanical prosthetic dysfuction,6with periprosthetic leakage,2with prosthetic valve enˉdocarditis,8with other valve disease after valve replacement,1with closed mitral commissurotomy and redo MVR,redo DVR,1with closed mitral commissurotomy and redo MVR,redo MVRand redo AVR.6cases received TVR and179with tricuspid valvuloplasty.

1985年1月～2003年9月，235例复发性心脏瓣膜病再次手术，其中二尖瓣闭式分离术后155例，二尖瓣直视成形术后12例，生物瓣衰43例，机械瓣功能障碍6例，瓣周漏6例，机械瓣心内膜炎2例，换瓣后其它瓣膜病8例，1例闭式分离术后MVR后瓣膜障碍再次DVR，1例闭式术后MVR后瓣衰再次MVR后再行AVR，1例MVR后AVR后TVR。

A compound control scheme combining detaching Proportion and Integral control with Model Reference Adaptive Control based on Liapunov stability theory was formulated,which is used on the plant of direct driving electric-servo-actuator.

以直接力驱动电动舵机为被控对象，提出了一种分离比例-积分控制与基于李雅普诺夫稳定性理论的模型参考自适应控制相结合的复合控制方案，该方案充分结合了分离PI控制动态性能好和自适应控制抗干扰能力强、鲁棒性好等优点。

A compound control scheme combining detaching Proportion and Integral control with Model Reference Adaptive Control based on Liapunov stability theory was formulated, which is used on the plant of direct driving electric-servo-actuator. This scheme combined the good property of each algorithm, such as good dynamic property of the PT and strong anti-disturbance ability and good robustness of MARC.

以直接力驱动电动舵机为被控对象，提出了一种分离比例－积分控制与基于李稚普诺夫稳定性理论的模型参考自适应控制相结合的复合控制方案，该方案充分结合了分离PI控制动态性能好和自适应控制抗干扰能力强、鲁棒性好等优点。

The effects of pH and buffer concentration and applied voltage on the separation were studied.

研究了缓冲溶液的浓度、pH、分离电压等对分离的影响。

Pathogens were isolated from diseased leaves of Atractylodes in Xiaochang county of Hubei province. Firstly, we pathogenicity test was conducted based on Kochs rule. Secondly, we described the morphological characteristics of the conidia, conidiophore and beak of the pathogens growing on diseased leaf land PCA.

从湖北省孝昌县苍术种植基地的发病植株叶片上分离得到菌株，根据柯赫氏法则对分离自发病叶片的菌株进行致病性测定，然后描述了寄主发病叶片以及PCA培养基上分生孢子、分生孢子梗及喙的形态，测量其大小，观察分生孢子链的形状。

Through the research of the relationship between debt and liability,I try tofind law basis for the separation, construct the form of the practice of the separation.

本论文试图通过对债与责任关系的研究，为债与责任的分离提供理论依据，并进而构建债与责任分离的实践框架。

The authors choose the proper regress methodology ac- cording to the characteristics of our panel data.

在根据面板数据本身的特征选择适宜回归技术的基础上，通过研究发现，在通过家族控股上市而形成的民营上市公司中，年度内董事会会议次数对企业的市场价值有显著的正向影响，而在通过兼并重组取得控股地位的民营上市公司中，这种影响并不显著；在考虑控股股东现金流权与投票权分离程度的调节作用后发现，随着控股股东现金流权与投票权分离程度的提高，年度内董事会召开会议次数的增加有利于企业市场价值的增加。

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