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This scanning electron micrograph was also produced by Anne Weston. It shows a single cell grown from a culture of lung cancer cells. The irregular purple bulges are called blebs, a localised decoupling of the cytoskeleton from the plasma membrane caused by the cancer.

这张电子扫描显微照片也是由安妮-韦斯顿拍摄的,它显示从肺癌细胞培基上长出的单细胞,其中不对称紫色突起叫做&大疱&,它与癌细胞产生质膜的细胞骨架出现局部分离。

The phenomenon is caused by the control of formation water on the hydrogen sulphide formation and by the incomplete separation of water and gas due to strong heterogeneity of reservoirs.

结果表明,地层水对硫化氢生成的控制作用和储层强非均质性导致的气水分离不彻底是&硫水耦合&的关键。

A transposon mutagenesis system applicable for Xanthomonas campestrispv.campestrishas been developed by transferring the transposonTn5gusA5,which contains the gus reporter gene,to the broad host rangvector pLAFR1 and taking the advantage of incompatibility between pLAFR1and pPH1JI plasmids.Five different types of exopolysaccharidedeficient mutants related respectively to eight different mutated sites wereisolated by applying the system to mutagenize the Xcc wild type strain.

本研究将含gus报告基因的转座子Tn5gusA5转座到广谱宿主载体质粒pLAFR1后,利用pLAFR1与pPH1JI质粒的不相容性,建立了一套适合于甘蓝黑腐病菌的转座子诱变体系,应用该体系诱变甘蓝黑腐病菌野生型菌株,成功地分离到5种不同类型、分别涉及8个不同突变位点的胞外多糖突变体。

Owen and Mzee are now inseparable and their story has captured hearts everywhere. With bold photographs from the original book and new simple, sweet text, Owen and Mzee is perfect for young children and families.

现在这对&母子&之间的感情变得越来越好,甚至一刻都不能分离,这个生存与希望的故事牢牢地抓住了全世界读者的心,人们都为这样的情感而感动,同时也对这一对特殊&母子&能够朝夕相处而感到惊奇。

Northern blot analysis showed that the GFP gene was correctly expressed in the transgenic plants. Green fluorescence was observed in roots and immature embryos of transgenic plants by fluorescence microscopy.Progeny analysis showed that GFP insertions were inherited in T_2 generation with normal expression.Both Mendelian and non-Mendelian inheritances were observed in T_1 progenies of transgnic maize,and non-Mendelian inheritances were observed in T_2 progenies.

Southern blot结果表明GFP基因以低拷贝数、简单的方式(1~3条Southern杂交带)整合到玉米基因组;Northern blot结果表明GFP基因在转录水平上表达;在转基因植株的根和幼胚中观察到GFP表达;转基因植株的后代遗传分析表明GFP基因能够遗传至T_2代并正常表达,部分转基因株系中的GFP基因以孟德尔遗传方式传递给T_1代,但T_2代不符合孟德尔分离比。

In this study, a Y-shaped asymmetric pairs of microelectrodes with a sudden expansion microchannel is used to separate and trap the micro particles in order to get the better inspection.

本研究设计一具不对称电极对的Y型渐扩微管道,先观察微粒子的分离状况,再针对微粒子进行撷取,以期能达到较佳的检测效果。

The mixture of six pesticides(atrazine、simetryne、simazine、dipropetryne 、aldicarb、chlorotoluran) were also determined by using HPLC/APCI CID MS method with satisfactory results.

HPLC- MS将HPLC分离热不稳定、强极性和难挥发化合物的优点与 MS的高灵敏度、高选择性相结合,在农药鉴定分析中已发挥越来越重要的作用。

The extraction technical of pumpkin seed oil and the separation purification of Unsaturated fatty acid were optimized.

本研究选用中国南瓜、印度南瓜、美洲南瓜和黑籽南瓜共计17个品种,分别对其种子的形态特征和营养成分进行了研究,并对南瓜子油的提取工艺及多不饱和脂肪酸的分离提纯进行了优化。

With respect to the traditional face-to-face education, distance education has the following salient features: in the entire study period, quasi-permanent separation of teachers and students; educational institutions or organizations through the learning materials and support services both to students influence; use Contact teachers and students a variety of technical media and carry course content; to provide two-way communication; in the entire study period, the quasi-permanent and not a collective learning, students mainly as an individual in learning, social and teaching in order to carry out the necessary purpose of the meeting.

相对于传统的面授教育,远程教育有这样几个显著的特征:在整个学习期间,师生准永久性地分离;教育机构或组织通过学习材料和支持服务两方面对学生的学习施加影响;利用各种技术媒体联系师生并承载课程内容;提供双向通信交流;在整个学习期间,准永久性地不设学习集体,学生主要是作为个人在学习,为了社交和教学目的进行必要的会面。

The results were as follows: Firstly, the S-locus of Katy was heterozygous, and self-compatibility was dominant to self-incompatibility. Secondly, a very extensive segregation in self-pollinated fruiting rate, fertile flower rate and average fruit weight was observed in the F1 populations, and averages of these traits were lower than that of mid-parent means. Therefore, these traits were confirmed to be quantitative.

结果表明,(1)凯特杏的S基因位点为杂合型,自交亲和对自交不亲和为显性遗传;(2)3个杂交组合的自交坐果率、有效花比率及平均单果重等性状在F1中广泛分离,杂种群体的平均值低于亲中值,表现明显的衰退现象,表明这3个性状均为数量性状。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

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我比喻得过头了。