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Focal error signal of pickup head is achieved according to the Astigmatical principle, and that the optical non-contact probe system with the measurement ranges of 2um and the measurement uncertainty of 1.1nm is obtained. This probe system is immune to the variation of reflective ratios and curvature on the surfaces of samples via improvement of the signal process method.

其中根据光学象散原理得到激光读取头的聚焦误差信号，从而获得测量范围为2μm，测量不确定度可达1.1nm的光学非接触探头系统，通过改进信号处理方式，此探头系统可不受材料表面反射率变化的影响，并允许样品表面存在一定的曲率变化。

Autografting veins are widely used in bypass grafting in treating coronary artery obstructions and peripheral arterial diseases, though the occurrence ratios of restenosis in five years and in ten years are high to 30% and 50%.

自体静脉移植广泛用于旁路搭桥手术，用来治疗闭塞性冠状动脉和周围动脉疾病，但其5年和10年再狭窄发生率分别高达30％和50％。

For low molar ratios of Al/Zr, a hypsochromic shift of the initial catalyst absorption band, corresponding to the monomethylation of the catalyst, was observed. Further addition of AlEt2Cl was accompanied by a continuous bathochromic shift of the maximal wavelength corresponding to the formation of more dissociated ionic active species. Then, there would be a coordination of monomer to the ionic active species.

结果表明，无论是AlEt_2Cl还是MAO，少量的助催化剂首先使催化剂发生单烷基化反应，主催化剂金属中心的最大吸收峰波长发生蓝移，而当助催化剂量进一步增加时，金属中心的最大吸收峰波长红移，单烷基取代的催化剂被大量的助催化剂夺去电子成为缺电子的阳离子活性中心，以便烯烃单体的配位插入。

The ratios of perylene to benzofluoranthene and perylene to benzo pyrene are an effective index of thermal maturity.

／m、m／m［苯并芘］和m／m［苯并芘］比值是有机质演化程度的有效指标。

In particular, we propose conditional correlations with a bivariate hyperbolic distributions method to dominate GSV hedge ratios.

特别的，我们提出在双重双曲线分配方法下的条件关系系数，并且应用在控制广义的半变异数期货避险值上。

In the test 5 treatments of single-sowed alfalfa or smooth brome grass, and their mix-sowing with different ratios of 50%+50%, 60%+40% and 70%+30% were set up to analyze pH, CP, NDF, ADF, acetic acid, butyric acid, lactic acid and total acid of the silage in each treatment and study the effect of alfalfa and smooth brome grass with different mix- sowing ratio on silage quality.

方法］试验设5个处理，即紫花苜蓿单播、无芒雀麦单播、紫花苜蓿＋无芒雀麦以50%+50%、60%+40%和70%+30%比例混播，分析各处理青贮材料的pH值、CP、NDF、ADF、乙酸、丁酸、乳酸和总酸的变化，研究无芒雀麦与紫花苜蓿不同比例混播对青贮品质的影响。

In Chapter Four, the surface fracture was studied for a functionally graded plate with a semi-elliptical surface crack under state thermal loading, and studied the influence of crack sizes, aspect ratios and material property on the stress intensity factors along a crack-front under two types thermal loading: calefactive state thermal loading and descent state thermal loading.

第四章研究了含有半椭圆表面裂纹的功能梯度材料板条在稳态温度热载荷作用下的裂纹问题分析，着重考虑了升温载荷及降温载荷作用下应力强度因子在裂纹前沿的分布及材料梯度及裂纹与板的几何尺寸对应力强度因子的影响。

The frogssurvival ratios at room temperature, 1℃Cand -2℃were observed.

试验结果表明：室温组和1℃组黑龙江林蛙72h的存活率为100％，-2℃组24h的存活率为84.6％。

MAIN OUTCOME MEASURES: Adjusted rate ratios for all first time deep venous thrombosis, portal thrombosis, thrombosis of caval vein, thrombosis of renal vein, unspecified deep vein thrombosis, and pulmonary embolism during the study period.

主要观察指标：研究期间全部首次深静脉血栓形成、门静脉血栓形成、腔静脉血栓形成、肾静脉栓塞、非特异性深静脉血栓形成和肺栓塞调整比率。

By separating the crude oligosaccharide products with various ratios of activated charcoal and Celite, the results indicate that the products from 30% lactose (L30) had an adsorption percentage of 96.3%, the highest one among all mixtures of activated charcoal and Celite. The following fractionation by eluting successively with 10% and 20% ethanol aqueous solutions gave an oligosaccharide yield of 13.5% and a purity of 97.9%.

合成的寡醣以不同比例活性炭和矽藻土吸附分离，结果发现30%乳糖组(L30)经单活性炭组吸附即有96.3 %的寡醣吸附力，是所有活性炭与矽藻土混合组别中最高者，再经10 %与20 %乙醇冲提画分后可得13.5 %的收率，其寡醣纯度更高达97.9 %。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。