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Pisang Mas as transformation receptor, and optimized the genetic transformation system of banana from aspects of hygromycin selection concentration and selection method in order to establish a high efficient Agrobacterium tumefaciens-mediated genetic transformation system for banana.

为建立根癌农杆菌介导的香蕉高效遗传转化系统,本研究以雄性花诱导产生的贡蕉胚性悬浮系为转化受体,从霉素筛选浓度和筛选方法两方面进行了优化。

In bud stage of mustards ecotype Xuelihong and Yuanyejie were transformed with in planta vacuum infiltration by an Agrobacterium tumefaciens strain GV3101 carrying hy-gromycin resistance gene. Effects of different factors on transformation frequency with in planta vacuum infiltration were studied.

以蕾期的芥菜生态型雪里蕻和圆叶芥为试材,在携带霉素磷酸转移酶标记基因的根癌农杆菌菌株GV3101的介导下,对影响芥菜植株原位真空渗入遗传转化效果的真空渗入时间、根癌农杆菌悬浮孢子的浓度、渗入培养基、感染方式以及根癌农杆菌菌株等进行研究。

In plant, moist mildew element through in competition cell chloroplast and line plastochondria ribosome and elongation factor EF-2 union position spot, thus suppresses the peptide chain the extension, the destruction cell's translation function, causes to organize the brown death sensitively.

在植物中,霉素通过竞争细胞叶绿体和线粒体中的核糖体与延长因子 EF-2 的结合位点,从而抑制肽链的延长,破坏细胞的翻译功能,使敏感组织褐化死亡。

While the principle of plethysmographic method of tidal volume measurement is well proven, until now it has had many shortcomings in practical application.

体积描记器的一次气量测试被证明是可用的,但是一直到现在在实际应用仍有一些缺陷。

But it is a little upsetting to read in the explanatory notes that a certain line describes a fight between a Turkish and a Bulgarian officer on a bridge off which they both fall into the river--and then to find that the line consists of the noise of their falling and the weights of the officers,"Pluff! Pluff!" A hundred and eighty-five kilograms.

战后婴儿一代的步入成年以及女性打入男性主导的劳动力市场使得青少年的发展机会变得极为有限,他们已经在不停地质疑为了爬上日本国内那通往优秀学校和体面工作的严酷的社会阶梯而做出的巨大的个人牺牲。

The pneumodynamic parameters such as peak airway pressure、oxygen index were measured at the following points: before surgery,the end of muf,6 hours,12 hours after end of cardiopulmonary bypass.

选取行二尖瓣膜置换术的46例患者,分为对照组和改良超滤组,对照组行常规体外循环,改良超滤组在体外循环后应用改良超滤,在转流前(t1)、转流结束(t2)、术后6 h(t3)、术后12 h(t4)测定失业保险中心气道峰压、吸气平台压、气量、呼吸频率、氧合指数,计算肺泡-动脉血氧分压差p(a-ao2和气道阻力,记录术后呼吸支持时间。

METHODS 46 patients who underwent mitral valves replacement were randomly divided into MUF group(n=24) and control group(n=22) without MUF. The pneumodynamic parameters such as peak airway pressure、oxygen index were measured at the following points: before surgery,the end of MUF, 6 hours, 12 hours after end of cardiopulmonary bypass.

选取行二尖瓣膜置换术的46例患者,分为对照组和改良超滤组,对照组行常规体外循环,改良超滤组在体外循环后应用改良超滤,在转流前(T1)、转流结束(T2)、术后6 h(T3)、术后12 h(T4)测定记录气道峰压、吸气平台压、气量、呼吸频率、氧合指数,计算肺泡-动脉血氧分压差P(A-aO2和气道阻力,记录术后呼吸支持时间。

METHODS 46 patients who underwent mitral valves replacement were randomly divided into MUF group(n=24) and control group(n=22) without MUF. The pneumodynamic parameters such as peak airway pressure、oxygen index were measured at the following points: before surgery,the end of MUF, 6 hours, 12 hours after end of cardiopulmonary bypass.Ventilatory support time was also measured.

选取行二尖瓣膜置换术的46例患者,分为对照组和改良超滤组,对照组行常规体外循环,改良超滤组在体外循环后应用改良超滤,在转流前(T1)、转流结束(T2)、术后6 h(T3)、术后12 h(T4)测定记录气道峰压、吸气平台压、气量、呼吸频率、氧合指数,计算肺泡-动脉血氧分压差P(A-aO2和气道阻力,记录术后呼吸支持时间。

Spanning 322km at its entrance, the Amazon is the widest river in the world. Some of its flat channels are perfect for the phenomenon known by local people as the big roar. In wave after wave, the pororoca — a rare instance of water flowing upstream — pours in, up to 257km an hour, in a wall of water that can reach 7m high.

河口宽达三百二十二公里,亚马逊是世上最宽的河流,部分平坦河道是当地人称为大呼啸的河口涌壮观景象,一波波河口涌浪以时速二十五点七公里涌上,形成七公尺高的水墙。

The Taihu Lake is situated in the centre of the dish-like lowlying land south of the Changjiang River, which was resulted from the two dynamic factors, the long-term ground depression at a rate of 0.4 mm/a, calculated from the archaeological data, and the rise of the postglacial sea level that was responsible for the formation of the high coastal plain on the east margin of the dish-like low-lying land.

本文从沉积学、地层学、地貌学、考古学和历史地理学角度,综合分析了太湖的成因和演变。认为地壳沉降与海面上升是构成江南碟形洼地的内外动力,为太湖的形成奠定了基础。全新世海侵最盛时,太湖海湾水深急、泻湖、滨海沼泽围绕海湾分布。随南部湾口沙嘴封堵,海湾趋于消失,陆地扩大,遗址增多。3700a来,海面回升,湖面逐渐扩展,形成现代太湖。

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推荐网络例句

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。