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Those parent abalones of wild or artificial selection with good economic characters must be chosen in order to avoid close breeding.. Correct breeding techniques must be adopted to obtain excellent germ cells and larvae. The survival rate and disease resistance of juvenile abalone can be remarkably increasedonce the further selecting and culturing are carried out. The rejuvenation is realized once a good breeding condition for the young and parent abalones is created, the adverse culturing condition and technical maloperation are reduced or eliminated. The survival rate of the breeding and young abalonesincrease about 28.9%-31.2%, the survival rate of the grown abalones is high up to 85%-90%.

通过挑选经济性状好的台湾九孔鲍和人工选育的九孔鲍亲体进行繁殖，避免近亲繁殖，选优除劣，达到正本清源的目的；采用正确的繁殖技术，获得优良的受精卵和幼虫，通过对幼虫进一步选优和培育，使附板后的幼鲍成活率及抗病力得到明显提高；为九孔鲍的苗种和亲本培育创造良好的养殖生态条件，减少和消除了不利的养殖环境和操作技术，达到品种复壮的目的；阐述了野生鲍、复壮鲍、退化鲍三个不同类群的免疫机能具有显著的差异，复壮后的九孔鲍，其免疫机能基本达到了野生鲍的水平；人工育苗和幼鲍的成活率提高了28.9%-31.2%；成鲍的养殖成活率高达85%-90%以上。

Those parent abalones of wild or artificial selection with good economic characters must be chosen in order to avoid close breeding.. correct breeding techniques must be adopted to obtain excellent germ cells and larvae. the survival rate and disease resistance of juvenile abalone can be remarkably increased once the further selecting and culturing are carried out. the rejuvenation is realized once a good breeding condition for the young and parent abalones is created, the adverse culturing condition and technical maloperation are reduced or eliminated. the survival rate of the breeding and young abalones increase about 28.9%-31.2%, the survival rate of the grown abalones is high up to 85%-90%.

通过挑选经济性状好的台湾九孔鲍和人工选育的九孔鲍亲体进行繁殖，避免近亲繁殖，选优除劣，达到正本清源的目的；采用正确的繁殖技术，获得优良的受精卵和幼虫，通过对幼虫进一步选优和培育，使附板后的幼鲍成活率及抗病力得到明显提高；为九孔鲍的苗种和亲本培育创造良好的养殖生态条件，减少和消除了不利的养殖环境和操作技术，达到品种复壮的目的；阐述了野生鲍、复壮鲍、退化鲍三个不同类群的免疫机能具有显著的差异，复壮后的九孔鲍，其免疫机能基本达到了野生鲍的水平；人工育苗和幼鲍的成活率提高了28.9%-31.2%；成鲍的养殖成活率高达85%-90%以上。

In this paper,the condition of eluant,time,feed flow,eluant fo lw are optimized and a set of optimized operation condition is given.The process flow is supplied for the purification of taxol.

同时，对紫杉醇前处理过程中洗脱液条件，随后的S M BC系统实验中的切换时间等条件进行了优化，并总结出一套优化操作条件，为纯化紫杉醇提供了合理的工艺路线。

If the flow condition is different, the discharge coefficient will be different too. Distinguishing the flow condition in the gate shaft is good for people to know and adopt the discharge coefficient of the plat gate.

平板闸门的流量系数公式形式应随着闸前闸后的水流条件的不同而不同，对于不同的类别应采取相应的流量系数公式进行计算。

The oscillation performance of jet, as oscillation frequency, is the essential data for designing the fluidic device, which is also the key factor that influence the coupling effect of fluidic device and receiving tube. This paper does experiment on the oscillation availability and frequency of feedback jet-oscillation gas wave refrigeration. As a conclusion, the jet oscillates only in a certain range of geometrical sizes and operating conditions. Under the condition of high pressure ratio, the frequency of the jet"s oscillation is only affected by the feedback tube"s length and chamber remarkably. Under the condition of low pressure ratio, the frequency descends with rise of the pressure ratio.

本文将跨音速正反馈射流振荡器与接受管耦合，对耦合后的射流振荡气波制冷机的可振性、振荡频率以及它们的影响因素作了实验研究，得出如下结论：射流只在一定的操作条件和几何结构尺寸范围内才能稳定振荡；射流的振荡频率在较高压比下只受反馈管长和反馈管容腔大小的显著影响，在小压比下随压比的增大而增加；其它结构尺寸和操作条件只影响可振性。

Under the condition of stable tectonics and humid-hot climate the oil shales were deposited in a saline lagoon of restricted carbonate platform with reducing condition. After that stage the climate evolved into hot-dry conditions.

在稳定的构造背景和湿热的气候条件下，油页岩形成于碳酸盐局限台地泻湖相还原和具有盐度分层特征的水体中，之后，气候变得炎热干燥。

With the commercial economy thriving and prosperous in qing dynasty, the traditional value direction, the mural belief among people has been stranded by the spring tide of economy. the lack of the belief is one of the reasons of the love tragedy between du shiniang and li jia. the second reason of that tragedy is the demand of the social condition to the intellectual that he must concentrate on reading the books writing by the sages and does not pay attention to the thing beyond reading. all spending on reading and life of li jia comes from his parents and the social condition has given his a pair of bean-curd shoulders, which decides that he can't up the iron burden of a family.

明朝随着商品经济的繁荣，人与人之间的相互信任这一传统价值取向被经济大潮搁浅了，信任缺失是杜十娘和李甲的爱情悲剧原因之一；原因之二，社会环境对读书人的要求是&一心只读圣贤书，两耳不闻窗外事&，李甲读书、生活的一切开销均由其父供给，社会环境造成了他的一副豆腐肩，注定了他无法挑起家庭的铁担子。

Results The main link that the nursing mistakes occurred are as followed ,such as when dispensing, injecting, ransfusing, handling and checking doctor's orders, judging new drugs, operating instrument, observing patient's condition, meeting an emergency. Nurses with low past service resulted in clinical nursing lapsus most easily, nursing shortage and the nurse's health condition also related to mistakes nursing lapsus closely.

结果 口服药发放、注射、输液、医嘱处理查对、新药知识判断、仪器操作、病情观察、应急时失误是护理失误发生的主要环节；低年资护士最容易造成护理失误，护理力量不足、护士健康状况也与护理失误密切相关。

The research used microwave power 600W,and S/L is 1/10, with the suitable microwave operation condition (nitric acid concentration 9.0 mole/L, digesting time 8 minute, and digesting temperature 140 ℃), by microwave digestion lead leaching rate is 94.11%, if it used microwave power 600W,and S/L is 1/10, with the best microwave operation condition (nitric acid concentration 0.8 mole/L, digesting time 6 minute, and digesting temperature 120 ℃), by the result of study, after Microwave Digestion Treatment, the TCLP leachate of lead in reaction ash might could be reduce to 4.83 mg/L from 7.10 mg/L, and the TCLP leachate could keep under the regulation control standards.

本研究以微波功率600W、固液比1/10，在最适微波条件下(硝酸浓度9.0M、消化时间8分钟、消化温度140℃)，铅的微波消化溶出率为94.11％。在微波功率600W、固液比1/10，以微波最佳条件(硝酸浓度0.8M、消化温度120℃、消化时间6分钟)，经微波消化处理后，其铅TCLP 溶出量由7.10 mg/L降为4.83 mg/L，已能符合法规管制标准值。在此最佳微波条件下，对於铅TCLP 削

Pumping station forbay is an important part of pumping station ,and the hydraulic characteristic of the pumping station forbay has a direct influence on the efficiency of a pump. The efficiency of the pump unit can be uprated in the condition of well flow condition.

泵站前池是泵站的一个重要的组成部分，进水的水力特性对水泵性能有着直接的影响，良好的进水条件可以使水泵装置达到良好的运行状态，获得较高的效率。

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