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We prepared the ordered porous alumina membrane by a two-step anodization method in oxalic or sulfuric acids, which is a self-ordered hexagonal array of cells with an adjustable pore diameter of 20-150nm and a different pore structures (i.e. Y-branched, dendriform, toothed and torous ones). Furthermore, the template-electrodeposition, vapor-catalytic growth, and controlled chemical etching were developed for well-aligned carbon nanotubes and oxide nanopillars with adjustable diameter, Al2O3-AlN one-dimensional heterojunction, Y-junction and dendriform metal nanowires, as well as Y-junction, and torous carbon nanotubes. The resultant one-dimensional junctions were characterized by XRD, SEM, TEM,HRTEM, and STM, and the field emission of the well-aligned carbon nanotubes and the luminescence of ZnO nanopillar array have also been mearsured.

完善和发展了阳极腐蚀法制备多孔氧化铝膜的方法,制备出了孔径在20-150nm之间可调和具有不同孔结构(如Y形、树枝状、锯齿状)的系列多孔氧化铝模板,在此基础上,利用电化学沉积、气相催化生长和化学控制腐蚀等方法,成功地生长出具有可调直径的碳纳米管和氧化物纳米柱有序阵列、Al2O3-AlN异质结纳米线、Y形和树枝状的金属纳米线以及Y形、藕节形和锯齿形的碳纳米管等多种一维结纳米材料及其阵列体系,探索了基于模板孔壁内沿生长一维结纳米材料的机制,较系统的研究了碳纳米管阵列的场发射性能和氧化锌纳米柱的发光性能,为低维纳米材料器件化提供了实验基础。

Either in the un-drought or drought plots with various gradients of species richness, both survival competition ability and growth competition ability of Sida rhombifolia, Mosla dianthera and Cassia mimosoides were the lowest.

以物种生物量百分率增加值代表物种生长特征竞争能力,干旱胁迫和正常对照样地内物种生物量百分率增加值之间不存在显著相关性,生长特征竞争等级明显改变,说明干旱胁迫对物种生长特征的竞争等级有明显的影响作用。

It was observed that the annual mean hgight and mean diameter at breast height of 28 a trees were 1.06 m and 1.85 cm respectively, the height and DHB in successive years were more than 1.1 m and 2.50 m respectively after planting 5 a especially. Annual mean DHB increased faster than other Dipterocarpaceae species planted in same condition. The growth periods was long, lasted from February December.

该树种在引种地生长迅速,年均生长量分别为1.06 m和1.85 cm,特别是在造林5 a后,生长极为迅速,树高连年生长量超过1.1 m,胸径连年生长量超过2.5 cm,与同一立地条件下栽培的其他国产龙脑香科树种相比,径粗生长超过任何一种树种。

In the normal uterus, Cytokeratins immunolabelling were detected in glandular cell, luminal epithelial cell, Vimentin immunolabelling were detected in stromal cell and endoblastic cell; CK7 immunolabelling were not detected in any tissue of the yak utenus.

研究结果显示:未妊娠时,泛角蛋白在子宫内膜腺上皮细胞、腔上皮细胞内表达,波形蛋白在子宫内膜基质细胞内表达,平滑肌肌动蛋白在子宫平滑肌和血管平滑肌内表达,牦牛子宫任何部位均不表达角蛋白7;妊娠30天左右时,泛角蛋白在子宫内膜腺上皮细胞、子宫内膜腔上皮细胞、滋养层细胞、内胚层细胞和尿囊细胞内表达,波形蛋白在子宫内膜基质细胞和内胚层细胞内表达,平滑肌肌动蛋白在子宫平滑肌和血管平滑肌内表达,角蛋白7在尿囊细胞内表达,偶尔在腔上皮细胞的细胞核边缘表达;消化法进行原代培养时,组织经胶原酶消化并通过100目和400目筛网组合可以有效地分离原代子宫内膜基质细胞和子宫内膜腺上皮细胞;分离得到的子宫内膜基质细胞活率达90%以上,并可在体外传代7次以上;分离得到的子宫内膜腺上皮细胞活率可达85%以上,并可在体外传代5次以上;RPMI1640培养基最适合子宫内膜基质细胞和子宫内膜腺上皮细胞的生长,维持子宫内膜基质细胞正常生长的FBS添加量为20%,维持子宫内膜腺上皮细胞正常生长的胎牛血清添加量为30%。

With it, simple, mechanistically significant and highly predictive QSAR models were developed. These QSARs successfully model and predict the short-term phytotoxicity of substituted phenols involved both polar narcosis and bio-reactivity, the growth inhibition toxicity to Saccharomyces cerevisiae of substituted nitrobenzenes with mixed mechanisms of toxic action based on electrophilicity and the growth inhibition toxicity to Saccharomyces cerevisiae of large set of substituted benzenes with complex molecular structures and multiple mechanisms of action.

应用响应曲面分析方法建立了形式简单、意义明确并且具有高度预测性的QSAR模型,成功地预测了具有多种毒性机制的取代苯酚对高等植物的短期生长抑制毒性、具有多种亲电反应性机制的取代硝基苯对酿酒酵母菌生长抑制的反应性毒性以及结构复杂、机制多样的78种取代苯衍生物对酿酒酵母菌生长抑制毒性。

Applying the theory of deformation partitioning to this area, the author discuss the relationship between deformation and porphyroblast growth, and get the conclusion of the sequence of deformation and metamorphism. At the first time we measure the distribution of chemical composition within the porphyroblast by XRF and confirm the theory of deformation partitioning quantitative.

利用宝音图群泥质变质岩中的存在大量变斑晶矿物,应用变形分解理论,讨论了变斑晶生长和变形关系,确定了变质变形演化序列,提出了变斑晶的生长相,并首次利用同步辐射XRF技术测定了变斑晶矿物的化学成分分布,主要是微区的微量元素成分分布,定量地证实了变斑晶矿物生长相的存在,进而讨论了与变形关系,并进行了变斑晶矿物不同生长相的温压计算。

This paper mainly investigated the effect of maternal undernutrition during late pregnancy on the levels of hormones which take the somatotropic axis as the center in ewes and lambs, the expression of partil hormones'mRNA and the gene localization in tissue cells on the basis of animal nutrition, endocrine physiology and by modern molecular biology technique.

中文摘要:本研究依据动物营养学和内分泌生理学理论,应用现代分子生物学技术对限制营养的妊娠母羊和羔羊以内分泌生长轴为中心的激素水平变化和部分激素及其受体mRNA表达水平的影响以及在组织细胞中基因表达定位规律等进行研究,进一步探究反刍动物补偿生长的机理,为更科学地将动物的补偿生长能力应用于畜牧业生产上奠定理论基础。

Are used to study the structure, crystallograph quality, surface structure, conductivity and chemical status of grown films. The minimum full width at half maximum of XRD rocking curve of CdTe, ZnSe and ZnTe epilayers are 630, 133, 110 arcsec respectively. Compared to MBE and MOVPE, ICB allows the epitaxy at lower temperature onto various substrates with higher deposition rates.

实验在GaAs等衬底上分别生长了CdTe、ZnTe、ZnTe单晶薄膜,其X光摆动曲线半高宽分别达到了630、133和110弧秒,与MBE、MOVPE相比,ICB技术外延时,大幅度地降低了生长温度,提高了生长速率,在实际应用方面具有特别重要的意义。

In epitaxial growth, the particle aggrades into substrate with a average rate.

在外延生长中,可以认为生长单元是以平均频率随机地沉积到基底表面上,生长单元在基底上的扩散也具有随机特征。

In the present work, pale-yellow KLN crystals with high-quality are grown successfully by a modified Bridgman technique for the first time, the crystallizing behavior, defects and properties of KLN crystals are studied also.

本课题首次将坩埚下降法生长技术用于KLN晶体的生长研究,成功地生长出浅黄色、高质量KLN晶体,同时研究了KLN熔体的析晶行为以及晶体缺陷,测试了KLN晶体的电学和光学性能。

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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.

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