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Methods 98 patients underwent total thyroidectomy or subtotal thyroidectomy. During operation, the parathyroid glands were exposed and preserved, and the trunk of inferior thyroid arteries were avoided to ligate. After operation, the parathyroid function was observed.

对98例行甲状腺全切、次全切除术在术中显露保护甲状旁腺,避免结扎甲状腺下动脉主干,观察术后甲状旁腺功能情况。

The seismic behaviors of dykes with saturated liquefiable soil foundation are studied by dynamic centrifuge model test and numerical simulation.

基于动态土工离心机试验和多重剪切机构模型的有效应力分析方法,研究了不同地震强度下,液化场地堤坝的地震响应和大变形特征。

The seismic behaviors of dykes with saturated liquefiable soil foundation are studied by dynamic centrifuge model test and numerical simulation.

中文摘要:基于动态土工离心机试验和多重剪切机构模型的有效应力分析方法,研究了不同地震强度下,液化场地堤坝的地震响应和大变形特征。

Monaco have certainly benefited from Saviola's presence, and while they are unlikely to be able to catch Olympique Lyonnais in the race for the title, their latest loan ranger's goals have helped put them in a good position to qualify for the Champions League again next season.

而和切尔西的比赛将是拜仁在奥林匹克球场的最后一场冠军联赛。下赛季他们将搬到新落成的安联球场,那儿将继续上演一个个令人激动的夜晚。

The three maxillary molars at the experimental sides were moved as one unit mesially by a Sentalloy coil spring delivering a force of 10 cN over a long range of activation. The contra-lateral molars served as controls. At 1, 2, 4, 8, and 12 weeks groups of animals were killed for histological evaluation.

实验侧的三颗磨牙用结扎丝颌粘接剂固为一个整体,在超弹性拉簧作用下(力值为0.1牛顿)向切牙侧移动。l, 2, 4, 8和12周时给予大鼠过量麻醉剂,材料用于组织学研究。

Upper central incisors moved forward and downward together with maxillary, at the same time they upright in the sagittal plane and tip mesially. 3 The occlusion plane rotated clockwise for about 1.5°. 4 The width increasement effect of RME comes from approximately the equal amounts of skeletal and dental expansion. The mode of dental movement was a combination of body and tipping movements of posterior teeth.

结果:1后牙在宽度方向上为整体移动和倾斜移动相结合的移动方式,但第一磨牙和第一双尖牙稍有差别;牙齿和骨对宽度增加的贡献各占约1/2;2后牙在垂直方向有伸长的趋势;3第一磨牙和第一双尖牙均向前整体移动,轴倾度保持不变;4中切牙整体随上颌骨前部向前向下移动,其牙长轴发生直立,轴倾度增加;5上颌平面发生顺时针旋转。

Through designing of composition and structure of the bioactive graded coating,innerstress and its distribution in the coating were analyzed and calculated, the resultsshowed that when composition distribution coefficient n was 1.5, a reasonable stressdistribution could be got, that was at the beginning of deposition the suspension containingrichly BG granules was used so that a rich BG granules layer, a good transitional layerbetween BG layer at the bottom and the coating could be obtained at the titanium alloy side,the bottom of the coating; the stress value near the interface and surface and its character,pressure stress or tensile stress, were decided by the character of its composition itself.Changing composition distribution coefficient n could only change the variation tendency ofstress in the coating, but did not change the stress distribution rule in the coating. Thethinner the coating is, the sharper stress variation in the coating is, which does not mean thatthicker coating is better because the thicker the coating is, the little the permitteddeformation of coating is, so the coating thickness should be thinner, for example, about50μm for bending applications, but for applications only bearing pure shear stress, such asroot of tooth implant, the coating can be thicker little, for instance, about 80~100μm. The study on electrification characteristic and electrophoresis deposition of HAand BG granules in aqueous and non-aqueous solution system found that EPD almost didn'toccur in aqueous solution system. However, because HA granules take position charges inabsolute alcohol, a homogeneous EPD be carried out on the cathode titanium alloy slice, but taking negative charge in absolute alcohol the BG granules not be deposited on the cathode. A guided HA crystallizing, 100~300nm, on surface of the BG granules be realized by metathetical reaction, which cover BG granules with HA microcrystals and make the covered BG granules taking position charges in absolute alcohol, sequentially realize the EPCD of the BG and HA granules on the cathode, so it is feasible to make a titanium alloy/BG/HA bioactive graded coating by making use of EPCD technology. The corrosion experiment of rich boron bioglass coating and plasma spray coating showed that split phase, rich boron and rich silicon phase, occurred during its preparation. In basic medium the corrosion behavior of 〓 BG coating showed uniformity corrosion, the corrosion mostly occurred at rich boron phase area, therefore batch formula design of BGshould avoid the occurring of split phase. The corrosion appearance of plasma spray coatingappeared a non-uniform corrosion, mostly occurred at the edge of the laminated HA moltendrops, and emerged an accelerated corrosion tendency, which will easyly lead to corrosioncrackles extending to the interface and the happening of osmotic interfacial corrosion, thatmay be one of the major reasons leading to the coating cracking-off in the later period. Thetesting results of thermal expansion coefficient of 〓 and 〓BG showed the thermalexpansion coefficient of 〓 BG matched with that of titanium alloy better, and 〓 BG couldsinter with titanium alloy into densification enamel layer at low temperature (720℃).

将Ti6Al4V合金在1000℃下进行真空热处理会降低其力学性能,且合金内的V元素会向表面富集,因此,钛合金真空热处理和表面涂层的烧结温度不能过高,即应低于其相转变点;通过对生物活性梯度涂层的组成和结构的设计,分析和计算了梯度涂层内的应力大小和分布,结果表明:对于本研究,当成分分布系数n=1.5时,可以获得较合理的涂层力学性能,即在沉积开始时,采用富含BG颗粒的悬浮液,以便在钛合金侧获得同底层BG有良好过渡的富BG涂层;梯度涂层界面和表面的应力大小、性质由材料组成本身的性质决定,改变成分分布系数,只能改变涂层内应力变化的趋势;涂层的厚薄不影响涂层内的应力分布规律,但涂层越薄,涂层内的应力变化越快,但这并不意味着涂层越厚越好,因为涂层越厚,涂层允许的变形越小,对于应用于弯曲受力部位的涂层而言,涂层应薄一点为好(50μm);而对于仅纯受剪切应力的部位,如牙根种植体,涂层可适当加厚(80~100μm);通过对HA和BG颗粒在水溶液体系和非水溶液体系中的带电特性和电泳沉积的研究发现,它们在水溶液体系中很难发生电沉积;在无水乙醇溶液中,HA颗粒带正电,可在阴极钛合金片上发生均匀的电泳沉积,而BG颗粒则带负电荷;利用复分解反应法,可以制得100~300nm的HA,通过诱导HA在BG颗粒表面结晶,可对BG颗粒进行表面包覆,获得了被HA包覆的BG颗粒,改变了BG颗粒表面的带电特性,使BG和HA颗粒在无水乙醇中均带上正电荷,从而实现了HA和BG颗粒在阴极上的共沉积。

SunSport revealed last week how a delegation from Red Rom's bankers Millhouse Capital jetted to Los Angeles to meet with Klinsmann, a couple of days after Chelsea's Champions League quarter-final success in Valencia.

p/ ?9 ~-?4 2 r 在欧冠的四分之一决赛中切尔西击败了瓦伦西亚,这之后的几天,《太阳报》体育版披露,上周阿布旗下米尔豪斯资本公司的代表赴洛杉矶会晤了克林斯曼。

5 Automatic start-up 2.3.2.4.5 自动启动 If the wind turbine was shut down after exceeding a cut-out wind speed, an autom atic restart may take place without clearance if the wind speed has fallen to a per missible value according to the system concept and there is no fault in the installat ion.

如果风速超过切出风速而停机,依据系统理念,在风机不存在故障情况下,当风速重新跌回至许可风速时,风机可以重新启动而无需复位。

In order to solve the experimental problem of tricrystal,elastic stress distribution of copper tricrystal under monotonical loading was analyzed by finite element method,the shear stress on slip system in each grain was analyzed.

采用有限单元法计算三晶体在单向拉伸载荷作用下弹性阶段的应力场,分析了三晶体中各晶粒主滑移系上的切应力分布,计算结果表明,当晶界平行于加载轴时,该晶界对其两侧晶粒有很明显的作用,较大程度的改变晶粒滑移系的形式,而且作用程度要超过三晶交点的作用,倾斜晶界则没有明显的作用。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。