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The position of the maximum principal stress occurred in odontoid. The position of the maximum Von Mises stress occurred in C3-4 and C7-T1 except at -15° angle with helmet.

椎间盘最大的Von Mises应值，除撞击角-15°有佩带安全帽时发生在C7-T1处，其他的情况则发生在C3-4的地方。

The forming of the Himalayas-Yarlung Tsangpo orogenic belt occurred prior to the Miocene and therefore it can be confirmed that during the Paleogene there must have been a high convergence rate occurred between India and Eurasia.

发生在古近纪的日本海和中国的松辽盆地的弧后扩张与喜马拉雅山一雅鲁藏布江造山带的重力垮塌作用可以对比，可能是太平洋和欧亚大陆汇聚速率的突然减小造成的。

The anastomosing occurred between the pleural superficial and the subpleural vascular networks on the capillary level or the precapillary level. The honeycomb vascular networks were also various in size and form at a low magnification. The venule connected with the pulmonary capillary networks directly at a high magnification. The single capillary networks were found in the alveolar septa. The longitudinal crests and dense round imprints of endothelial nuclei and the clear circular constrictions were found on the surface of the larger vessel in the lung parenchyma. The round imprints of endothelial nuclei also occurred on the subpleural venule and capillary.

胸膜面浅层的微血管与胸膜下微血管之间形成毛细血管水平或毛细血管前水平的吻合；低倍镜下肺实质内微血管网也呈现大小不等、形态各异的蜂窝状结构；高倍镜下肺泡毛细血管与微静脉之间联系紧密；在肺泡隔内毛细血管网成单层分布；肺实质内管径较大的微血管表面可以见到纵行的嵴状结构和密集的内皮细胞核的压痕，以及明显的环形缩窄；胸膜下微静脉和毛细血管表面可见圆形内皮细胞核的压痕。

Less than one quarter of these high-risk deliveries occurred in high-level, high-volume facilities, yet 92% of very-low-birth-weight deliveries occurred in urban areas with more than 100 such deliveries, the researcher reported. This suggests that it would be geographically feasible to regionalize the vast majority of these deliveries in California.

不到四分之一的这些高风险婴儿是出生在高水平，大量病人的医院中，然而有92%极低出生体重婴儿出生在超过100个的市区，研究者报告，这说明在加利福尼亚州在地理学上更易于按地区找到绝大多数这些极低出生重婴儿。

Less than one quarter of these high-risk delieries occurred in high-leel, high-olume facilities, yet 92% of ery-low-birth-weight delieries occurred in urban areas with more than 100 such delieries, the researcher reported. This suggests that it would be geographically feasible to regionalize the ast majority of these delieries in California.

不到四分之一的这些高风险婴儿是出生在高水平，大量病人的医院中，然而有92%极低出生体重婴儿出生在超过100个的市区，研究者报告，这说明在加利福尼亚州在地理学上更易于按地区找到绝大多数这些极低出生重婴儿。

The results showed that the population administered with free adjuvant cholera vaccines,both low dose group and common dose group,occurred the weak adverse reaction with 10￣25% rate.The reaction rates between two dose groups of the same vaccine have not significant difference;The reaction rate of the first inoculation(19￣25%) is higher than those of the second inoculation(10￣15%)(P 05);The inoculating local reaction is very light ,only the very few subject occurred the scleroma with 15 mm of diameter.The reaction of aluminum absorbed cholera vaccine is slightly stronger than those of other groups.

结果表明，不加铝佐剂的O139型霍乱菌苗及O1群霍乱菌苗，不论是低剂量组（两剂全程接种45亿菌体）抑或常剂量组（全程接种90亿）接种人群均可产生10～25％的体温呈轻度升高的弱反应，并且同种菌苗的两剂量组的反应率无显著差异；第一剂接种的反应率（19～25％）较第二剂接种的（10～15％）高，P＜0.05；接种局部反应轻微，只有个别受试者出现直径小于15mm的硬结；加佐剂的O1群吸附霍乱菌苗的反应较其它组强。

There were two kinds of mechanisms closely related to the surface charging phenomena of insulating materials, i. e., the secondary electron emission occurred over an insulator, and charge injection and accumulation occurred inside an insulator.

探讨了固体绝缘材料在沿面闪络进展过程中的表面带电机理，将其分为二次电子发射引起的表面带电以及电荷注入和入陷引起的带电两个过程。

Of the five stages deformation, the exact ages of the (2) and (3) were determined by 40Ar/39Ar method as 290 and 259 Ma respectively.2. New results on the metamorphic belts and associated metamorphism of the Xiaopu metamorphic rocksBased on detailed microtextural observations and occurrence of typical metamorphic minerals, five metamorphic belts in the Xiaopu metamorphic rocks are identified. From the north to the south, they are biotite belt, garnet belt, staurolite belt, andalusite belt, and sillimanite belt. I suggested that the metamorphic belts occurred in the Xiaopu area belongs to the high temperature/low pressure series, may have resulted from the later Permian crust extension at ca. 290 Ma.3. I suggest that there may have been a Carboniferous backarc basin along the southern slope of the Harlik Mountain.Detrital Zircon SHRIMP U-Pb dating indicated that the sedimentary age of the Julideneng formation lithic sandstone must be later than late Devonian, most likely is Carboniferous rather than previously thought Precambrian. Analyses on its geologic setting, location of provenance, and sedimentary environment suggest the Carboniferous strata may form in a lagged backarc basin bounded by backarc uplifts.5. Reconstruction of the post-Paleozoic tectonic evolution history of the Harlik MountainThe tectonic evolution of Harlik mountains since the Paleozoic were reconstructed as followings:(1) arc-affinity magmative activities occurred during the middle-Ordovician to early-Silurian;(2) the middle-Silurian to late-Devonian was a back-arc uplift stage;(3) back-arc extension featured the Carboniferous period;(4) post-collisional extension and/then compression during Permian;(5) at the Mesozoic, differential uplift developed; and (6) the late Cenozoic is the intra-continental re-orogen stage.6. Primary estimation of the crust shortening is madeThe folded pre-Mesozoic strata were used to estimate crust shortening along the Harliknanshankou-Koumenzi, Shichengzi-Baishitou, and Qincheng-Xiaopu sections. Their shortening ratios are 16.2%, 19.8%, and 20.1% respectively corresponding crust shortening are 4.3, 9, and 11.3 km.

根据Ar-Ar热年代学研究，精确测定了早二叠世伸展变形和晚二叠世挤压变形的峰期时代分别为290Ma和259Ma.2、提出了关于哈尔里克山南麓小铺一带变质带和变质作用的新认识根据显微观察资料和特征变质矿物的出现，把小铺一带的变质岩由SW向NE方向依次划分为黑云母带、石榴石带、十字石带、红柱石带和矽线石带等变质带；初步确定该区的变质作用属于中温-低压型，变质作用发生的时代为290Ma左右，是该区早二叠世地壳伸展的产物。3、首次提出哈尔里克山南麓在石炭纪可能发育弧后盆地的新观点根据哈尔里克山南麓原"居里得能组"岩屑砂岩的碎屑锆石SHRIMP U-Pb定年，确认这套地层的沉积不早于晚泥盆世，很可能是石炭纪，而不是前人所说的前寒武纪；结合对其区域地质背景、源区位置和沉积环境分析，推测该区石炭纪可能为滞后弧后盆地和弧后隆起区构造背景。4、进一步证明哈尔里克山不发育与岛弧演化相关的泥盆纪岩浆活动根据对代表性闪长岩和花岗岩的锆石SHRIMP年代学研究获得的新资料，结合该区已有相关资料的综合研究，确定哈尔里克山岩浆岩分别形成于奥陶纪-志留纪和石炭纪晚期-二叠纪，不存在泥盆纪的岩浆岩，进而认为该区泥盆纪不属于岛弧环境。5、重建了哈尔里克山古生代以来的地质演化过程根据区域资料以及本次研究所获得的资料，把哈尔里克山古生代以来的构造演化划分中奥陶世-早志留世为岛弧、中志留世-晚泥盆世为弧后区、石炭纪弧后伸展、二叠纪为后碰撞伸展与挤压、中生代差异隆升和晚新生代陆内再造山过程等构造阶段。6、初步估算了哈尔里克山地壳缩短率和缩短量根据前中生代地层褶皱估算的哈尔里克山南山口-口门子、石城子-白石头和沁城-小铺三条剖面的地壳缩短率分别为16.2%、19.8%和20.1%，相应的地壳缩短量分别为4.3km、9km和11.3km。

The largest one of these tumors had a diameter of 16cm which occurred at parotid,and the smallest one occurred at buccal gingiva of the left submaxilla had only 0.8cm.

此外 ，多形性腺瘤的体积，最大的直径为 16cm发生在腮腺，最小的约为豌豆大小(0 8cm)发生在左下颌颊侧牙龈部。

For the acidified wastewater, calcium precipitation occurred mainly on the granular sludge surface; for the unacidified wastewater, accumulation occurred in the core of granular sludge, and for the unliquefied wastewater, precipitation evenly distributed within the granular sludge and on the surface.

已经酸化的废水，乙酸转化为甲烷的场所主要在颗粒污泥的外表面；对于未酸化废水，这种转化发生在颗粒污泥的核心；难酸化的废水，污泥内部存在着底物酸化的过程。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。