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The second part, we analyze the aspect mark in contemporary Chinese. Under the classification of the modality of the verbs and the functional grammar, the transformational generative grammar, we classify the aspect into two types: typical and non-typical. Each is then divided into six. And the non-typical one is representedby result complement verb phrase and reduplicative verbs.

第二部分,分析了现代汉语的时标记,依据上面动词情状的分类,从功能主义和转换生成语法的结构短语规则出发,把时类型分为典型和非典型两大类型时,它们分别分为六大类,其中非典型时只是以述结式和动词重叠式为代表。

OBJECTIVE To study the methods of preparation of hydrochloride tetracaine liposome and liposome gel and to determine the liberation of drug from them.

目的 研究盐酸丁卡因脂质以及脂质凝胶的制备方法,并考察脂质及脂质凝胶对药物释放的影响。

By removed ovary culture after positive and negative hybridization, produced interspecific hybridization, and have improved the hybrid seed through removed ovary culture and induced to shoot by culture medium MS, and produced hybrid F1, the plant of Brassica junce×B.pekinesis, the advantage characteristic of hybrid plant is similar to female nature;By cytology authenticating, chromosome number of F1 young flower bud cell (2n=28), it is the sum of monoploid chromosome number of female parent Brassica junce(2n=36) and male parent B.pekinesis(2n=20); The hybridization to Brassica junce×B.pekinesis, and embryonic bud come from removed ovary culture, and it found another form of plant embryo saving.

以芸薹属植物芥菜型油菜和白菜为研究对象,对其进行常规正反杂交后子房的离培养,通过离子房培养获得的杂种种子经MS培养基诱导成苗,获得了芥菜型油菜与白菜的杂种F1代植株,表现出杂种优势;通过细胞学的方法,鉴定了杂种F1幼蕾的细胞染色数为2n=28,为母本芥菜型油菜(2n=36)和父本白菜(2n=20)的单倍染色数之和;芥菜型油菜与白菜常规杂交后,经离子房培养获得了&胚性芽&,确立了植物胚挽救的另一种形式。

There was 4 amino acids in fat body which were different from midgut.

中肠和脂肪氨基酸序列有4个氨基酸位点不同,中肠丝氨酸Ser-脂肪为天冬氨酸N、中肠丙氨酸A-脂肪缬氨酸V、尤其是脂肪部位中的血红素保守区由甲硫氨酸M变为缬氨酸V,有可能改变了对底物的催化活性,这在比较的其它几种CYP6B家族的基因中没有发现。

Xiaowan arch dam site has excellent topographic conditions, while geological structures in both abutments are complex, such as, faults, altered rock, mantle rock, etc.

在建的小湾水电站坝址具备修建高拱坝的优越地形条件,但地处西南地区著名的&三江构造带&的南段,地质构造较复杂,坝基及坝肩抗力内存在部分断层、蚀变岩和卸荷、风化岩等地质缺陷,将引起两岸坝肩岩变形不对称、压缩变形量增大以及坝肩局部岩承载能力低,直接影响到拱坝与地基系统的正常运行和整稳定安全性。

The results showed that after 2 h of culture in MEM the chromosomes of oocyte were seperated to form telophase I while a small spindle was observed around chromosomes of primary spermatocyte. However, two clear spindles were observed in the oocytes cultured in CB containing MEM. After further culture, the chromosomes of both primary spermatocyte and oocyte intermingled and formed one large spindle.

在无CB的培养液中培养的卵母细胞培养2小时后,卵母细胞已经进入第一次减数分裂的后期,染色开始被拉向两极,而精母细胞的MI纺锤才刚刚形成,虽然继续培养两者染色可以合二为一并形成一个纺锤,但是有些染色发生滞后;当卵母细胞在含有CB的培养液中培养2小时后,在卵母细胞内形成两个相似大小的MI纺锤,进一步培养形成一个大的纺锤,染色正常。

The diode laser at 657 nm has the characteristics of lower cost and higher power than that at 633 nm. Therefore, we use the 657 nm ECDL to investigate the saturation spectrum of the hyperfine structure components of P(84) 5-5 transition of 127I2 at 657.483 nm for frequency stabilization of our ECDL laser.

nm 波段的二极雷射比起633 nm 波段的二极雷射拥有较低的费用和较高的功率,因此,我们使用657 nm 波段的外腔二极雷射来研究657.483 nm 波段之碘分子跃迁P(84 5-5 transition of 127I2,并将我们的外腔二极雷射稳频在此跃迁的超精细结构成分上。

A combination of the two tenses and the two aspects makes it possible for a finite verb phrase to take the following eight forms

现在时和过去时既可以单独使用,也可以和进行或完成结合使用,也可以同时与完成和进行结合使用。

Second, procedures of effective protoplasts fusion and U.V. irradiation or heat treatment protoplasts fusion were developed. Equal protoplast suspensions (containing about 108/ml protoplasts) of each strain were mixed and washed by centrifugation, then the pellets were resuspended in PEG4000 solution (35%) at 37癈 for 2min.

其次,确定了原生质融合的基本条件及灭活原生质融合的条件:等量混合两亲株原生质或用热灭活的原生质(>10~8个/ml),用35%的PEG4000在37℃处理2min后,稀释,涂布再生,可获得融合率在50%左右的融合子。

There are some little cells with diameter 4.5~8.3 μm in molecular layer. Purkinje cell is like a pear in Purkinje cell layer, it's base width is 17.8~25.6 μm, it's height is 18-30 μm. There are lots of rough endoplasmic reticulum, free ribosome, mitochondria, golgi body, lysosome, etc. in Purkinje cell. Granular cell ratio of nucleus to cytoplasm is high in granular layer.

分子层含少量小细胞,细胞大小在4.5~8.3μm; Purkinje细胞层细胞呈梨状,底宽在17.8~25.6μm之间,高约为18~30μm,细胞中含有丰富的粗面内质网、游离核糖、线粒、高尔基、溶酶等;颗粒层的颗粒细胞细胞核大,细胞质少。

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推荐网络例句

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。

I'm running my simile to an extreme.

我比喻得过头了。