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Want to know, the person's skin can be divided into three-layer of cuticular, dermal, subcutaneous tissue about; All maintaining the limits that tastes generation action is in only cuticular layer, in thin thin divided in the cuticular layer that is less than one centimeter 4, quintuplicate cell, be located in the bottommest for base layer, full vivid cell can grow ceaselessly reach dissension, slowly when upgrade is advanced, the cell can squash gradually, at the same time evaporate, nutrient, until most the corneous layer outside, already was flowing do not have the corneous layer cell of life however.

要知道,人的肌肤约可分成表皮、真皮、皮下组织三层;所有保养品产生作用的范围都仅在表皮层,在薄薄不到一公分的表皮层中分了四、五层的细胞,位于最底部为基底层,布满的活细胞会不断生长及分裂、慢慢往上推进时,细胞会渐渐变扁,同时失去水分、养分,直到最外的角质层,就已是平滑却没有生命的角质层细胞了。

The dominant male sterility was expressed normally in the new Taigu genic sterile wheat carrying the intergenomically translocated Ms2, and the female fertility mechanism in its male sterile plants was normal as well. Observation of the chromosome configuration at meiosis of pollen mother cells of the young ears of the sterile plants showed that they were euploid plants (2n=42). No configurations different from those of the Taigu geneic sterility gene located at the original locus were noticed of the Ms2 intergenomically translocated back into the common wheat.

所获携带易组Ms2基因的新型太谷核不育小麦其显性雄性不育特性表达正常,且雄性不育株的雌性可育机制正常,对不育株幼穗花粉母细胞减数分裂期染色体构型的观察可见其为整倍体(2n=42),尚未发现回归普通小麦的易组太谷核不育基因与原位点的太谷核不育基因有不同的表型。

The completely diagonalized Hamiltonian matrixes of order 120 of 3d3/3d7 ions configuration in the trigonal symmetry have been established by irreducible representation method and group theory,taking into account spin-orbit interaction and spin-spin interaction.The ground-state energy levels,the zero-splitting parameter and Jahn-Teller effect of ruby crystal were calculated with the matrixes.

应用不可约张量方法和群的理论构造了三角对称晶场中考虑自旋-轨道相互作用,自旋-自旋相互作用的3d3/3d7离子的可完全对角化的120阶微扰哈密顿矩阵,利用该矩阵计算了红宝石晶体的基态能级、零场分裂参量和Jahn-Teller效应,研究了自旋-轨道的自旋二重态对基态能级的贡献,证明其二重态对基态能级的贡献是不可忽略的,理论计算值与实验值相符合。

The discrete velocity ordinate method in the kinetic theory of gases is developed and applied to discretize the correspo

借助非定常时间分裂法和无波动无自由参数的NND耗散格式,建立直接求解微观分子速度分布函数的有限差分数值格式;研究并发展可用于离散速度坐标点选取和离散速度空间宏观取矩的高斯─埃尔米特无穷积分方法、等均间隔的牛顿─柯斯复合积分法、以勒让德多项式的根为积分结点的高斯─勒让德数值积分法,并应用于不同马赫数绕流模拟;通过对不同流域一维激波管问题、二维圆柱绕流问题和三维球体绕流的计算研究,并将计算结果与其他途径得到的研究结果诸如DSMC模拟值、N-S解及有关实验数据进行比较分析,创建了一套能有效模拟稀薄流到连续流不同流域气体流动问题简化的统一数值算法研究框架

Administration of NGF may treat the spinal cord and periphery nerve injured and improve the function of damage nerve.

神经生长因子是最先发现和被证实的细胞生长调节因子,NGF在神经细胞的增殖,分裂和轴突的生长、递质的合成及细胞的凋亡等阶段均起着重要作用,NGF对中枢和周围神经的损伤均有保护和促进恢复的作用,尤其是NGF促进神经细胞的再生,给予NGF可减轻和改善对神经元的损害和治疗外伤引起的脊髓和周围神经损伤。

However, it is just the western democracy, the root cause, that decides the inevitable result instead of accidental one that Kuomintang lost its power in Taiwan. But, why so soon? Why the result is so extremely cruel to Kuomintang? The answers lie in the followed Chapter Two, Three and Four:the first is the grow-up of anti-Kuomintang movement and the nonofficeholding dissertations of democratic party; the second is the dirty-money politics of the democratic party, local ingroups and the practice of bribery at elections; the third is the populism of Li Denghui, the three break-ups of Kuomintang and the influence of election system on election result.

当然西方式的民主制度决定了国民党将政权交出是必然而非偶然的结果,也是其根本原因,但为何这么快﹖结果这么惨﹖在第二﹑第三及第四章可总结出以下几个加速和惨跌的原因:一是台湾反对运动的崛起与民进党的「在野论述」;二是国民党的「黑金政治」﹑地方派系与贿选;三是李登辉的「民粹主义」与国民党党内的三次分裂和选举制度本身对选举结果的影响。

In order to obtain viable tetraploids, which remains a major challenge worldwide, research on spindle organization and chromosome behavior was carried out mainly in zhikong scallop, Chlamys farreri, a typical commercially important species which is being cultured in North China Sea. Immunofluorescent technique and laser scanning confocal microscopy has been developed for observation of both microtubule organization and chromosome segregation. Orcein squash method was also used for chromosome observation. A series of complicated configurations of the meiotic spindle and associated patterns of chromosome segregation, including tripolar and seperated bipolar segregation, were found in developing eggs following the inhibition of the first polar body.

为了攻克可存活四倍体人工培育技术的国际性研究难题,本研究选取了我国北方海区的典型经济贝类栉孔扇贝为主要研究对象,建立了一套免疫荧光染色和激光扫描共聚焦显微技术,结合使用染色体地衣红压片观察技术,对第一极体受抑制的受精卵的减数分裂纺锤体装配、染色体分离动态进行了研究,发现了一系列特殊的纺锤体装配及相应的染色体分离行为,包括三极分离、独立二极分离等分离类型,从亚细胞水平上阐明了四倍体形成的细胞学机理。

The result is consistent with previous studies. Whereas, tapetal cells of sterile anthers were disintegrated since tetrad cells were disjoined, indicating that disintegration of tapetal cells is earlier occurred in sterile anther than that in fertile anther. DNA ladder revealed that the cleavage of nuclear DNA into oligonucleosome-sized fragments to

结果表明,在花粉母细胞减数分裂后的四分体解离时期,不育花药的绒粘层细胞较可育花药提前开始裂解;在不育系S-Mo17rf3rf3花药和花粉S-(rf3)中均明显出现PCD过程的DNA片段化以及线粒体细胞色素C外渗的现象,证明了玉米CMS-S的花粉败育与花药绒粘层细胞的提前凋亡和小孢子细胞的细胞程序性死亡有关。

Unless there is an alternative strong centralising force around which society can be reorganised, a collapse of the current regime could also bring about the break-up of China as a unified state.

除非出现一种可替代现政权的强有的中心力量能够将整个社会重新组织起来,否则现政权的崩溃可能会导致作为统一国家的中国的彻底分裂。

Pig oocytes cultured in vitro for some time were inseminated by frozen–thawed ejaculated sperm. At specified times after insemination, sperm penetration, cell cycle progression and mitogen-activated protein kinase phosphorylation were evaluated. It was shown that:(1) oocytes at various maturational stages could be penetrated by sperm;(2) sperm penetration did not affect meiotic cell cycle progression;(3) sperm penetration of germinal vesicle oocytes and maturing oocytes did not alter MAPK phosphorylation; and (4) when premetaphase I and metaphase I oocytes, in which MAPK was activated, were fertilised, no evident MAPK dephosphorylation was detected as in metaphase II oocytes.

不同成熟阶段的猪卵与精子融合后体外培养发现:(1)不同成熟阶段的猪卵母细胞都可被精子穿透;(2)精子穿透不影响减数分裂细胞周期进程;(3)精子穿透GV期卵母细胞和正在成熟的卵母细胞不改变MAPK磷酸化:(4)已受精的前中期I和中期I卵母细胞的MAPK有活性,MAPK不像MII卵母细胞那样受精后发生磷酸化。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。