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The results are following:1 QTL mapping for resistance to Verticillium wilt in G.barbadenseA highly tolerant to Verticillium wilt G.barbadense var.Hai7124 and a highly sensitive to Verticillium wilt G.hirsutum var.Junmian 1 were crossed and F_1 seeds produced self-pollinated F_2 progeny which comprised 128 individuals and BC_1 was produced from a cross between(Hai7124×Junmian 1)×Junmian 1.The BC_1F_1 individuals were self-pollinated to produce a BC_1S_2 population,resulting in 96 families of BC_1S_2.A genetic map included 36 linkage groups with an average distance of 7.29 cM between markers and covered 2726.89 cM was constructed using F_2 population.

本研究利用分子标记的方法,分别对海岛棉和陆地棉抗黄萎病QTL进行了定位,并对陆地棉的产量和纤维品质性状的QTL进行了初步定位,主要结果如下:一、海岛棉抗黄萎病QTL定位用一个抗黄萎病海岛棉品种海7124和一个陆地棉感病品种军1配制杂交组合,得到一个含128个单株F_2分离群体,同时与军1回交得到含96个单株的BC_1群体,自交产生BC_1家系。

Produced in the tropical or subtropical in the shallow waters,have adopted a nuclear-pei yields(lf you see a sea pear beads inside the nucleus,should never thought it was plastic,is nuclear-produced by the Hebang otfy)sea-shape Generally positive round.

海水珍珠:产于热带或亚热带的浅海水域中,均采用有核培殖法(如果您看到海水珍珠里面的珠核,千万别以为是塑料,珠核是由河蚌贝制作而成的)海水珠的外形一般呈正圆形。

A new TMJ exerciser was designed and produced using computer aided design/computer aided manufacture program. Screw-driven technique was used for opening the spatula. The device was tested in clinical setting. The design was revised, re-produced, and re-tested based on patients' report and clinical evaluation.

此运动器需经检测及临床试用,并在使用方便、易於携带、耐用程度高及力量易控制等原则下进行重复机构设计及摸拟分析,经由CAD/CAM连结切削并进行细部加工成型,以完成产品之制造。

It is shown that the contact interaction enables bottom drillstring to whirl backward, and then an alternate bending stress with higher frequency is produced. So the drillstring fatigue failure could be accelerated. At the same time, a quite strong wallop force of high frequency is produced on the contacting point, and the contacting zone is next to the screw coupling of drill collars. It will easily result in the failure of screw couplings. The research results provide theoretical basis for the prevention of drillstring failure.

研究表明,下部钻柱与井壁的碰摩作用使下部钻柱反向涡动,产生高频的交变弯曲应力,会加速下部钻柱疲劳破坏;下部钻柱与井壁接触点处存在较大的高频冲击力,并且接触区域靠近钻铤螺纹联结处,更容易诱发螺纹联结处失效,该研究成果可为预防钻柱失效提供理论依据。

Bilirubin and heparin sodium etc. are also produced. The pigs ' intestines casing is mainly used in making sausage, ham, red sausage and other foods. The sheep ' s intestines casing produced in this factory casing can be used in medical, piano string and feather bat etc.

猪肠衣主要用于制造香肠、香肚、火腿、红肠以及灌制各种食品,羊肠衣除用于制造各种食品外,还广泛用于医学缝合线、钢琴弦、羽毛球拍等制线产品。

The microsturcture characteristics of M2 cast-strip were studied with such experimental methods as metallographic analysis, SEM, XRD and TEM[0]. The effect of sub-rapid solidification on the size, type and distribution of eutectic carbides in M2 cast-strip was analyzed. The effect of heat treatment temperature and its holding time on the eutectic carbides in M2 cast-strip was explored. The eveolution of metastable phase of M2C eutectic carbide during the heat treatment period and the decomposition dynamics concerned were researched. The M2 cast-strips were rolled into thin strips and the effect of deformation ratio on carbides in M2 cast-strip was examined. Then these thin strips were comparied with those that were produced by conventional technology on carbide, hardness, red-hardness and bend strength. At last the rolled M2 cast-strips were made into saw blades and their cutting performance was experimented on in tools factories and then compared with that of similar products produced by conventional technology.

采用常规金相、扫描电镜、X射线衍射及透射电镜等实验研究了M2高速钢铸带的凝固组织特征,分析了亚快速凝固对铸带中的共晶碳化物的析出类型和尺寸以及分布的影响;探索了后续热处理温度和保温时间对铸带碳化物组织的影响规律,分析了铸带中的亚稳相M2C共晶碳化物在热处理过程中的分解情况以及分解动力学;将铸带热轧成薄带,研究了压下率对铸带碳化物组织的影响,并将热轧薄带与常规工艺生产的相同规格的M2高速钢薄带在碳化物组织、硬度与红硬性以及抗弯性能等方面进行了对比;将热轧薄带加工成机用锯条后在工具厂进行了锯切性能试验,并与常规工艺生产的同类产品进行了使用性能对比。

Firstly, we should prepare polyester glycol in order to prepare water-borne polyurethane emulsion used to wooden furniture. Polyester glycols having designed molecular weight of 1000 are synthesized by ethylene glycol and mixture of phthalic anhydride and adipic acid (morl radio =40:60)on condition that molar excess content of glycol is 15%, and high vacuum time is 8h.The produced polyester glycols having the same molecular weight as designed measure up to standard of material. And Water-borne polyurethane emulsion's hardness is better than others are produced by aliphatic polyester glycol.

为了制得性能优越木器用水性聚氨酯乳液,首先我们从制备水性聚氨酯用的原料聚酯二元醇入手,我们设计了分子量为1000的聚酯二元醇,它使用邻苯二甲酸酐和己二酸以摩尔比40:60混合后再与乙二醇反应,反应时醇的摩尔过量15%,真空时间8小时,所得的聚酯二元醇,在此条件下酸值基本上能符合用作聚氨酯原料的要求,所测得的分子量也与设计的分子量非常接近,且用它来制得的水性聚氨酯乳液,其涂膜硬度,相对于单独用脂肪族聚酯二元醇制备的水性聚氨酯的要优。

An availible hydrodymanic code was developed to simulate laser-produced plasmas. Simulated results of laser-produced Al plasmas is in good agreement with the experimental data.

课题组还发展了现有的一维辐射流体力学模拟程序,对三倍频激光入射盘靶进行了数值模拟,并与汤姆逊散射得到的实验结果进行了比较。

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体培养,通过离体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幼蕾体的细胞染色体数为2n=28,为母本芥菜型油菜(2n=36)和父本白菜(2n=20)的单倍体染色体数之和;芥菜型油菜与白菜常规杂交后,经离体子房培养获得了&胚性芽&,确立了植物胚挽救的另一种形式。

However, depending on the type of fat in the diet, certain types of prostaglandins may be produced in large quantities, while others may not be produced at all.

然而,决定于饮食中脂肪的种类,一定类型的前列腺素可能大量产生,而其它的也许根本没有产生。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。