先

In the first step, star-shaped polystyrene,_n, was synthesized by the arm-first method via ATRP using a preformed PS macroinitiator obtained by ATRP of styrene, in the presence of divinyl benzene.

合成过程具体是：首先，先由ATRP合成线形聚苯乙烯，并以此作大分子引发剂，二乙烯基苯作偶联剂，采用先臂后核的方法，制备星形聚苯乙烯_n。

At the time Epicyte had a joint venture agreement to spread its technology with DuPont and Syngenta, two of the sponsors of the Svalbard Doomsday Seed Vault.

当时 Epicyte 与杜邦公司及先正达公司已达成合资协议以推广这一技术，而杜邦与先正达都为&斯瓦尔巴德全球末日种子库计划&发起人之一。

At the time Epicyte had a joint venture agreement to spread its technology with DuPont and Syngenta, two of the sponsors of the Svalbard Doomsday Seed Vault.Epicyte was since acquired by a North Carolina biotech company.

当时Epicyte与杜邦公司及先正达公司已达成合资协议以推广这一技术，而杜邦与先正达都为&斯瓦尔巴德全球末日种子库计划&发起人之一。

Engineered corn which contained a spermicide which made the semen of men who ate it sterile At the time Epicyte had a joint venture agreement to spread its technology with DuPont and Syngenta, two of the sponsors of the Svalbard Doomsday Seed Vault.

当时 Epicyte 与杜邦公司及先正达公司已达成合资协议以推广这一技术，而杜邦与先正达都为&斯瓦尔巴德全球末日种子库计划&发起人之一。

Baixianyong is implicit in his work, from investigate to mature, under the contrast analysis that have the text of the representative this, we can clearly discovers baixianyong destiny consciousness from the Disunderstanding to come to, and be arrived by exhaustedly to the disillusion, from the frustrate the destine, and be arrived by vehemence mild change of trace.

白先勇的命运意识隐含在他的作品中，从初探到成熟，在具有代表性的文本的对比分析下，我们可以清晰地发现白先勇命运意识由懵懂到觉醒，由困顿到觉悟，由挫折到命定，由激烈到平淡的转变的轨迹。

The well point should pump water continually, the normal pumping rule is "big then small, feculent then clear".

井点应连续不断的抽水，正常出水规律为&先大后小，先混后清&。

Tuberculosis is an infectious, chronic granulomatous disease, and is primarily a pulmonary disease. However, it may also be extra-pulmonary.

结核病是一种感染性、慢性肉芽肿疾病，通常会先表现在肺部，但也可以先发生在肺部以外的器官。

When treating multiple stones in homolateral ureter by ESWL, choosing the treating sequence distal first proximal later could get better effects and avoid severe complication.

结论在ESWL治疗同侧输尿管内多发结石时，采取先治疗远端结石后治疗近端结石的顺序，疗效优于先近端后远端的治疗顺序，而且避免了严重并发症的产生。

Methods 82 cases suffered from multiple stones in homolateral ureter were divided into 2 groups and treated by ESWL with home made JDPN-V B model extraocorperedl shock wave lithotripter under X-ray positioning. Experimental group was under the sequence of distal first proximal later and confrol group was under the different sequence.

方法对82例同侧输尿管内多发结石患者进行分组，应用国产JDPN-V B型体外冲击波碎石机ESWL治疗，X线定位，对照组采取先治疗近端后治疗远端的治疗顺序；实验组采取先远端后近端的治疗顺序。

Karstens was in line to be the Yankees' fifth starter out of camp before helost the better part of three weeks to right elbow tendinitis, which croppedup in a March 25 start against the Tigers in Lakeland, Fla.

Karstens 在春训赛后原本是洋基轮值表上的五号先发，不过他因为三月25日在佛罗里达的 Lakeland 对老虎队的先发赛事中造成右肘肌腱发炎，进了DL三周。

By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.

本文论述了利用活性炭竞争吸附作用，消除含炭金精矿中炭在浸出过程中的影响，使金精矿的浸出率可由直接氰化的10％提高到88％。

The only thing you're ever gonna be king of is King of the Stupids!

你只配做傻瓜的国王！