strain vt. 1.用力拉,拉紧,抽紧,扯紧。 2.使紧张;尽量使用(肌肉等)。 3.强迫,强制;滥用,尽量利用。 4.拉伤,用力过度而弄伤,使工作过度;使用过度而弄坏;扭伤。 5.曲解,牵制附会。 6.【机械工程】使变形,扭歪。 7.抱紧。 8.滤 (out)。 vi. 1.尽力,拼命努力。 2.拉,拖 (at)。 3.扭歪,弯曲,快要折断。 4.滤过,渗出。 5.不肯接受。 strain one's ears 竖起耳朵注意听。 strain one's voice 拼命呼喊。 strain one's eyes 睁大眼睛看。 strain one's wit 绞尽脑汁。 strain oneself 过劳。 strain one's authority 滥用权力。 strain sb.'s good temper 利用某人脾气好。 Mary strained her baby to the breast. 玛丽把小孩紧抱在怀里。 strain a rope to the breaking point 将绳拉紧到快要断的程度。 strained relations between officers and men 搞得不好的官兵关系。 strain the law 曲解法律。 a strained interpretation 歪曲的翻译;牵强的解释。 He is straining under their pressure. 他是在他们的压力之下苦撑着。 It's the nature of plants to strain upwards to the light. 植物的本性是向上挺窜争取阳光。 You, too, will strain at such a demand. 你也会难以接受这样的要求的。 strain a point 逾分,过分,任意(曲解)。 strain after 尽力追求,拼命想得到[做到]。 strain at 为,辛苦[用气力,费神,尽力]。 strain at a gnat 为小事过分操心。 strain at the oar 拼命划。 strain courtesy 太讲礼貌,过分客气。 strain every nerve 倾全力;全神灌注 (to do)。 strain under pressure 在压迫下拼命挣扎。 n. 1.拉紧;紧张;尽力,出力。 2.过劳,使用过度;滥用,利用。 3.扭筋,脱臼。 4.【物理学】变形,歪曲;应力,张力;胁变,应变。 5.曲解。 put a great strain on sb.'s resources 使人担负过重的经济负担。 It was a great strain on my resources. 这在我财力上是一个很大的负担。 at full [utmost] strain=be on the strain 紧张,拼命。 stand the strain 拼命忍受。 under the strain 因紧张;因过劳。 n. 1.血统,家世;族,种;【生物学】品系,系;菌株;变种,小种。 2.性格,脾气;倾向,气质。 3.语气;笔调,文风;作风。 4.〔常 pl. 〕一段音乐,歌曲;诗歌。 5.一阵子滔滔不绝的言词;一阵子难听的话。 She comes of a peasant strain. 她出身于世代农家。 The Germany strain in him makes him like philosophy. 他的德意志民族的血统使得他喜欢研究哲学。 good strains of seed 良种。 a hybrid strain 杂交种。 a meat strain 肉用品种。 He has a strain of melancholy in him. 他有点忧郁。 in the same strain 以同样调子[作风]。 It was the commencement day and the head master would talk in a lofty strain. 那天是开学典礼,是校长高谈阔论的日子。
Study on production of gsh by recombinant engineered strains 重组大肠杆菌催化合成谷胱甘肽的研究
Association nitrogen fixation of rice inoculated with ammonia resistant engineering strain alcaligenes faecalis 粪产碱菌耐铵工程菌与水稻联合共生固氮作用
Decoloration of azo dye wastewater by an anaerobic membrane bioreactor using gene engineering strain escherichia coli jm109 pgex - azr 基因工程菌在厌氧膜生物反应器中对偶氮染料废水的脱色
This research is a part work of the " 863 " international project - " the technique of producing l - methionine by gene - engineering strain of immobilization cell " 本项研究是国家“ 863 ”中试项目“工程菌固定化细胞生产l ?蛋氨酸技术”的部分基础研究工作。
And another change was that the spore of the transformant was difficult to release , p3a was not useful in genetically engineered strain construction in this way 此外, pcr扩增发现转化子比出发菌ybt - 1520多了cry1ab的特异带, sds - page电泳证实cry1ab的存在。
In conclusion , the results mentioned above really provided us some significant data and useful material for realizing our goal - bioconversion of d - amino acids by engineered strain in future 同时,本文的一些结果为我们实现用工程菌生物转化d -型氨基酸提供了有价值的数据与材料。
This strategy can resolve the gene safety problem for genetic engineered strains and should facilitate regulatory approval for its development as a commercial biopesticide . 2 利用这种解离载体可有针对性的消除特定的dna片段,有效解决基因工程菌构建中所面临的基因安全性问题。
Then the total 25 engineered strains were cultured and induced in the respective conditions . the results show that the target products expressed in 3 strains of them are partly soluble and active , whils 11bl21 ( 0e3 )表达的包涵体蛋白进行了变性、复性研究,部分获得有活性的d一海因酶,酶活力约为0 . 90u / mgo
Research on e . coli protease system is the basis of engineering strain improvement in order to reduce their negative effect , much has been done , among which antisense rna technology is worth further trying 为减少蛋白酶对外源蛋白的降解,从不同的角度做了大量工作,其中利用反义rna技术控制蛋白酶活性是一条值得探索的思路。
The development of theanine biosynthesis by microorganism fermentation and culturing cells of camellia sinensis was summarized in this paper and the possibility of theanine biosynthesis from the gene engineering strain was also discussed 摘要综述了近年来应用微生物发酵法、茶树细胞培养法生物合成茶氨酸的研究进展,讨论了构建基因工程菌生物合成茶氨酸的可行性。