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Hairy roots were induced from tobacco leaves with Agrobacterium rhizogenes LBA1334 harboring agropin type PRil855 and binary vector PIG121HM carrying a kanamycin resistant gene nptll and GUS gene and the good hairy root clones were selected. The root with many root hairs and branches grew vigorously toward all the direction on MS medium without plant hormone and on kanamyain containing medium (km:30mg/L). The structure of the hairy root tip is different from that of ordinary root. Witch was not typical root cap maybe the main cause of losing the geotropism of hairy root. Plantlet regenerated from hairy root when cultured on Ms medium without plant hormone. The nicotine content of the hairy root was little higher than that in the natural roots.

本研究通过发根农杆菌工程菌LBA1334(含有野生型pRi1855质粒和pIG121HM双元载体质粒，编码NPTⅡ基因和GUS基因)转化烟草沙姆逊，获得了具有卡那霉素抗性烟草发状根，并筛选出良好的单克隆株系，该发状根具有典型的发状根特性(多根毛、多分支、在无激素培养基上快速生长)，通过根尖压片分析，烟草发状根不具备典型的根冠；发状根中烟碱含量1.61％稍高于与天然栽培品种母体根的含量(1.5％左右)，发状根向培养液中释放烟碱，释放量最多时占总烟碱量的81.1％；在无激素的培养基上获得了再生植株。

When the strain grew in the medium containing glucose(40 g/L) as carbon source with tomato juice(3.6 mL/L), gingili oil(1.6 mL/L), Na2CO3(6 g/L)and phosphate buffer, at 28 ℃ with illumination for 120 h, its cell biomass, and carotenoid yield and content could reach 65.57 mg wet cell per mL medium, 9.896 μg per mL medium and 150.9 μg per gram wet cell, respectively.

菌株在以葡萄糖为碳源，添加番茄汁（3.6 mL /L）、芝麻油（1.6 mL/L）、Na2CO3（6 g/L）和磷酸缓冲盐的液体培养基中28 ℃振荡培养5 d，每mL培养液细胞生物量湿重达到65.57 mg，类胡萝卜素产量达到9.896 μg，菌体每g湿重细胞胡萝卜素含量为150.9 μg。

According to the characteristics of seismic reflection such as amplitude, continuity, interior structures and exterior shapes, seven seismic facies, including medium amplitude medium continuity and parallel or sub-parallel sheet facies, disorderly filling facies, disorderly progradation facies, hummocky facies, weak amplitude and medium continuity wedge facies, weak-variable amplitude and poor continuity wedge facies, and broom progradation facies, are recognized from the seismic reflection corresponding to Member 2 of Kongdian Formation which is prospective for oil and gas exploration.

利用地震反射波的振幅、连续性、内部结构和外部形态等地震反射特徵，在具有油气勘探前景的孔二段的地震反射中识别出了中振幅中连续亚平行席状相、杂乱充填相、杂乱－斜交前积相、丘状相、弱振幅中连续楔状相、弱变振幅低连续楔状相及帚状前积相等七种地震相。

Based on the analysis, the pathogenic rate of the rice Zhe 173 to hybrid medium indicia rice, medium japonica rice and hybrid medium japonica was higher than others.

根据白叶枯病菌不同致病型菌株对参试品种致病率的分布情况分析，浙173菌株对杂交中籼、常规中粳稻和杂交中粳稻的致病率较高。

The invention is capable of increasing the air pressure in the air inlet manifold and improving the aeration coefficient in the cylinder while in instantaneous acceleration, thereby changing the combustion conditions of the internal combustion engine at a medium and low speed, resolving the problem of the poor accelerating performance of the turbocharger at the medium and low speed, improving the output torque at the medium and low speed, optimizing the accelerating performance and greatly shortening the acceleration response time of the automobile; moreover, because the fuel is fully burned, the utilization factor of the fuel is also improved and the discharge capacity of the internal combustion engine is reduced.

本发明能够增加进气歧管内的空气压力，提高加速瞬时缸内的充气系数，从而改变内燃机中低速的燃烧状况，并改变涡轮增压机中低速加速性能差的问题，提高中低速的输出扭矩，优化加速性能，使车辆的加速响应时间大大减短；同时，由于燃料获得了充分燃烧，也提高了燃料的利用率，降低了内燃机的排放量。

Results In the medium and high dose F0 groups, it was observed that the atrophy and incrassation of seminiferous tubule, decrease of spermatogenesis, hyperplasia of interstitial tissue, especially in high dose groups spermatozoon abnormality and nucleolus concentration in the rats testis after DU ingestion for 14 months. The changes became more severe with the prolongation of DU ingestion. Such changes occurred in filial rats (F1) after DC ingestion for 5 months. In the medium and high dose F0 groups, it was observed that a little atrophy of kidney glomerulus, hyperplasia of interstitial tissue after DC ingestion for 14 months, and kidney glomerulus fibrosis happened after DC ingestion for 20 months, such changes occurred in filial rats (F1) after DC ingestion for 5 months In the medium and high dose F0 groups, splenic germinal center and periarterial lymphatic sheaths were hyperplasia , companies with lymphopoiesis after DC ingestion for 7 months, splenic white pulp became more small and sparse after DC ingestion for 20 months.

结果 F0代的中、高剂量组大鼠摄入贫铀14个月后可见雄性的精曲小管萎缩，管壁增厚呈空虚网状，生精细胞层次减少，间质细胞增生，但仍见有精子生成；高剂量组可见到精子呈异型性改变，细胞核浓缩深染，且随着摄入时间延长改变愈趋明显；F1代大鼠摄入贫铀5个月后就有上述改变且更为严重。F0代中、高剂量组大鼠摄入贫铀14个月后肾小球轻度萎缩，间质增生明显，20个月时肾小球萎缩纤维化；F1代大鼠摄入贫铀5个月后就有上述改变。F0代中、高剂量组摄入贫铀7个月时脾脏生发中心和淋巴鞘增生，淋巴母细胞增生活跃，20个月时脾小体减少，生发中心稀疏；F1代大鼠摄入贫铀早期和晚期有类似改变。F0和F1代高剂量组摄入贫铀早期肝脏有炎症细胞浸润，晚期骨髓有核细胞减少，脂肪细胞增加。

Maculate protocorm was highest in the KC solid medium, being 71.9%, and their seedling growth was best and the diameter of the protocorm was(5.8±0.3) mm. The survival rate of D.nobile protocorm was highest in the B5 solid medium, being 65.0%, and their seedling growth was best in the KC solid medium and the diameter of the protocorm was (3.8±0.6) mm.

秋花独蒜兰原球茎在KC固体培养基上的成活率最高，为71.9%，且幼苗生长发育状况最好，原球茎直径为(5.8±0.3)mm；石斛兰原球茎在B5固体培养基上的成活率最高，为65.0%，在KC固体培养基上的生长发育状况最好，原球茎直径为(3.8±0.6)mm。

A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium.

一种管理记录介质缺陷的方法、设备和计算机可读介质以及一种缺陷被管理的记录介质。

Competent commercial departments in all localities shall further change their mind, seek unity of thinking, fully recognize the great significance of accelerating the development of small and medium circulation enterprises in the new stage under new circumstances and a new system, really give an important priority to the promotion of development of the said enterprises, learn and use for reference the experiences drawn from the development of small and medium enterprises with much support given and respects shown by governments of developed countries, deal well with the support, guidance and service towards these enterprises, try to create a good environment for them, carry out further research, exploration on and establish a statistical system regarding small and medium circulation enterprises.

各地商务主管部门要进一步转变观念，统一思想，充分认识新阶段、新形势、新体制下加快发展中小流通企业的重要意义，真正把促进中小流通企业的发展放到重要位置。要学习借鉴发达国家政府十分重视扶持中小企业发展的经验，做好对中小流通企业的扶持、引导、服务工作，努力为中小流通企业的发展创造良好环境。同时，要进一步研究探索并逐步建立中小流通企业相关统计制度。

Competent commercial departments in all localities shall make a rational layout for big, medium and small commodity network by combining the urban development, urban renewal and the development of newly-built residential areas, promote the well-balanced growth between large stores and small and medium shops, make rational arrangement for the land use of small and medium circulation enterprises, provide these enterprises with living and development space.

各地商务主管部门要结合城市发展和城区改造以及新建居民区的开发，合理规划大中小商业网点布局，促进大型商店与中小店铺的协调发展。要合理安排中小流通企业的用地，为中小流通企业提供生存发展空间。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。