基本金属

Its structure is the same as a conventional metal insulator semiconductor field effect transistor .

它的结构与普通金属—绝缘体—半导体场效应晶体管基本相同。

Some basic theories on fractal and fractal dimension are introduced in this paper.

文章介绍了分形和分维的基本理论，并且利用分形理论对675钢断裂面的分维进行了分析，在此基础上探讨了分维对塑性金属材料断裂的影响。

Content structure of materials; crystal imperfection; structure of metallic surface, semiconductive oxide surface, structure of the molecular crystal surface, the rearrangement mechanism of the surface atoms and methods of surface analysis; fundamental theories about chemical processes and phenomena of plasma

课程内容：材料的结构；晶体缺陷；金属表面、半导体氧化物表面和分子晶体表面的结构和表面原子重排的机理，表面分析方法；等离子体的化学过程基础理论和化学现象及其特征；硅酸盐材料的通性和几种典型硅酸盐材料的结构，硅酸盐热力学和固相反应，硅酸盐固相烧结的过程和基本原理；典型高分子材料简介。

The fundamental is applying surface alloying by plasma technique and then carburizing, forming the surface HSS.

其形成机理是通过在廉价的金属材料表面，渗入合金元素W、Mo、Cr、V、Ti、Co等，然后再进行渗碳，使表面成分达到高速钢的基本要求。

Based on this analysis, a new method for evaluating the bluntness magnitude of a Berkovich indenter was proposed. This method was examined by the experimental results of indention loading curves for pure nickel and aluminum alloy 8009, and good agreement was obtained. For thin metal films deposited on hard substrate, a method is established for determining the yield strength and hardening index of the film from nanoindentation loading curve.

通过对理想与钝化Berkovich压头以及球形压头纳米压入软膜/硬基材料加载过程的数值研究，给出了两种压头纳米压入加载曲线的幂函数拟合指数及最大压入载荷同膜、基材料基本力学性能间的函数关系，并分别就Berkovich压头与球形压头建立了由纳米压入加载曲线确定沉积在陶瓷基体上金属薄膜屈服强度与硬化指数的方法。

The structure and thermodynamics of liquid Au and AuCu alloys have been simulated using molecular dynamics method based upon the EAM interatomic potential to reveal the influence of the mismatch in atomic size on the glass forming ability.

近年来，非晶合金由于有较好的延展性和抗腐蚀性，得到了广泛的应用犤1犦。Duwez犤2犦首次制成金属非晶，Inoue犤3-4犦将非晶的获得归纳为三条基本规律，这为选择合金元素提供了有益的指导。

Using 1,3-dicyanobenzene as a precursor, we have obtained two coordination polymer of rare earth metal bridged by isophthalato ligand, Eu complex (4) and Sm complexe coordinated (5). X-ray single crystal diffraction investigation confirms that complex 4 and 5 are isomorphous with near isostructural 〓 unit.

以1，3-苯二氰为前体，合成了两个新的稀土金属与间苯二甲酸根配体桥联的聚合物：间苯二甲酸根配体配合的铕和钐化合物，4和5.X-射线衍射结构分析表明化合物4和5均具有〓基本结构单元且两者结构类似。

Methods: Separate and abstract the effective components of Huangqi (Omni-Saponin、total-flavone) and Danshen (Danshen-ketone、 Danshen-Quinone). Applying L-Arginine methyl ester to pregnant rats by I. P to make Nitrogen Oxide Synthesis blocking models (uterus-placenta-fetus lacking blood and oxygen model or pregnant hypertension syndrome model). On day 12, 18 of pregnancy paunched the rats and took out the fetus and placenta/uterus. Measured the basal BP during pregnant period and BP、protein、basal activity each day. Observed placenta/deciduas ultramicroscopic structure by electron microscope and took count of languishment cells. Measured the expressive intensity of bcl-2、Bax of placental nutrient cells by SABC method.

一氧化氮合成酶阻滞剂L-精氨酸甲酯妊娠大鼠腹腔给药，制作一氧化氮合成阻滞模型（子宫-胎盘-胎儿缺血缺氧或妊娠高血压模型），妊娠第12、18天剖腹取胎、胎盘／子宫，妊娠期测基础血压，每日测血压、蛋白质量、基本生理活动；电镜观察胎盘／蜕膜超微形态结构，并进行细胞凋亡计数；免疫组化检测胎盘滋养细胞bcl-2、Bax表达强度；原位杂交法检测胎盘滋养细胞、血管内皮细胞VEGF、eNOS、iNOS、MCP-1、MMP9（基质金属蛋白酶9）mRNA表达。

And their merit and demerit are analyzed further.

结合有限元基本原理与温压成形的工艺特点，建立了金属粉末温压成形过程的有限元模型。

On the basis of a systematic introduction to many body potentials and the method of constructing for F-S N-body potentials, the interatomic potentials for NiAl and TiAl alloys are obtained in the present paper, the properties of point defects in NiAl and TiAl alloys are simulated by molecular dynamics method.

论文首先简单介绍了金属及合金中点缺陷的基本性质，在此基础上较为详细地介绍了正电子湮没实验方法和计算机模拟方法及其在晶体点缺陷计算中的应用。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失