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Exhibition hall is divided into four, nine galleries, one of electric and magnetic layer for the area, power and machinery area, math section, the universe and Space Pavilion, set up a high-voltage discharge, electric magnetic Gallery, bowls, a typical mechanical transmission, three-dimensional coordinates and other exhibits; the second floor for the sound and light booth, Applied Technology Pavilion, set up a light display, three-dimensional holographic images, sound simulation, laser laser, simulated driving and other exhibits; three for the Life and Health Pavilion, set up a false impression cylinder, fitness tests, brain and facial features, body systems, such as exhibits; underground floor for temporary exhibitions; in the Office of the Hebei Academy of Sciences set up a pavilion style.
展厅共分四层,九个展区,其中一层为电与磁展区、力与机械展区、数学展区、宇宙与航天展区,设置了高压放电、磁电廊、滚球、典型机械传动、三维坐标等展品;二层为声与光展区、应用技术展区,设置了光路展示、全息立体影像、声音模拟、激光内雕、模拟驾驶等展品;三层为生命与健康展区,设置了错觉滚筒、体能测试、大脑与五官、身体各系统等展品;地下一层为临时展览;中厅设置了河北院士风采展区。
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Self-fluxing Fe-Cr-Ni-B-Si alloy prowders are laser clad on medium carbon steel substrate of dimensions 80×35×10mm〓. The investigation results of this clad layer are: micro-defects, micro-cavity and occluded forin substance, are the micro-cracks and crack resourses in clad layer; crack of coating propagates along the boundary of two kinds of eutectic sutructure; The included angle θ between the cracking direction and laser scanning direction in multitrack overlapping clad is smaller than that in one-track clad because of crack propagating along crystalline growth direction and crystalline direction in overlapping zone being different from it in one-track clad.
在调质态的45〓钢表面,采用预置粉末法进行FeCrNiBSi合金的多道搭接激光熔覆,对其熔覆层进行分析表明:多道搭接激光熔覆层裂纹扩展方向与激光扫描方向间的夹角θ与单道熔覆时相比明显变小,前者θ0°,后者θ角基本都为90°,这主要是因为多道搭接时,搭接区结晶方向发生了变化以及裂纹沿结晶方向扩展所致;激光熔覆层裂纹大多是以覆层与基材交界面的孔洞、熔覆层内不同方向共晶团间的显微缩孔、夹杂物的边界等三种显微缺陷作为裂纹源,并沿低熔点物相形成元素偏析造成弱化膜的共晶团界面扩展延伸。
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The lower seal coat used in construction usually has two functions,connection for penetration and protection for seal coat. It is of great significance to have connection layer between base layer and surface layer during the pavement construction in the northern parts of China.
我们在施工中所采用的下封层往往都具有双重作用,既要有透层的联结作用,又要有封层的保护作用,因此在北方路面中基层与面层间设置联结层具有十分重要的意义。
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Waterproof functions and construction of prime coat and sub- seal coat of expressway;2. The lower seal coat used in construction usually has two functions,connection for penetration and protection for seal coat .
我们在施工中所采用的下封层往往都具有双重作用,既要有透层的联结作用,又要有封层的保护作用,因此在北方路面中基层与面层间设置联结层具有十分重要的意义。
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Storey ;1st-3rd floor are bank ,4th-5th floor are restaurants ,6th-7th floor are multi-fuction Board Rooms and roof garden ,8th-37th floor are office , roof floor is helipad ; Basement 1-3 are car parking
总楼层为37层;1-3层为银行,4-5层为餐厅,6-7层为会议室和平台花园,8-37写字楼,顶层为直升机停机坪;地下1-3层为停车场。
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Correlation between the two observers\'gradings was evaluated using analysis of Spearman. and P.05 was thought significance statistically.2 for the second objective of the study, 25 patients underwent helical 0.5mm axial CT, then the helical data was reconstructed with 0.5 mm slice width /increment and with 1.0 mm slice width /increment respectively, 15 abnormal structures of temporal bone were evaluated by a observer using a modified Likert scale, with unknown of the methods of imaging.
检验标准采用P<0.05.2对25例耳病患者行0.5mm准直多层螺旋CT扫描,将获得的容积数据以0.5mm层厚层距和1.0mm层厚层距各行横断和冠状重建,由一位神经影像诊断医师按照改良Likert scale评分标准对两种图像独立盲法评分。
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Estimation results show that in summer season, the mesopause with the same height (83 km) as that of the polar mesopause is observed through the latitudes from 48°N to the polar area. In the meantime the equatorial and tropical mesopause are maintained at 97 km, which is critical in shaping the characteristic global "two-level mesopause".
进一步利用逐日数据开展温度梯度诊断确定了中间层顶的位置和温度,在此基础开展考察的结果显示,在夏季,与极区中间层顶高度一致(83 km)的中间层顶稳定地伸展到中纬度(48°N),而热带和赤道地区中间层顶稳定地维持在97 km高度,形成了&两台阶&中间层顶结构。
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In the clay-rich B horizon below the leached layer iron compounds accumulate, staining the layer brown and forming an impermeable hard pan that prevents drainage.
淋溶层 A 的下方为富含粘土的淋溶层 B ,该层积累含铁化合物,使得此层为棕色,并形成一个不透水的坚硬板层,阻止了水的排出。
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They not only occur in deep ocean basins such as in the central North Atlantic where they were deposited below CCD, but they extend up the continental slopes and rises, such as in the Alps, including the Gampu area , in the Carpathian Mountains (Austria, Slovakia, Poland, Romania), in Spain, in Turkey and in the Exmouth Plateau (Legs 122 and 123) in northwest Australia.The Upper Cretaceous reddish marlstones in Italy are particularly similar to the Upper Cretaceous Chuangde formation red beds in the Tibetan Himalayas. In summary, the Upper Cretaceous redbeds have several characteristic as follow:(1) very low TOC, only 0~0.3%;(2) wide distribution throughout the Neo-Tethys, from north Atlantic to the west, to Exmouth Plateau to the east;(3) Sedimentary environment of the red beds varied from oceanic basin, to slope/rise, to outer shelf. Most comment is pelagic and hemipelagic.
床得组泥灰岩〓含量0.26~5.62%,远远高于奥地利和意大利红层0.45~0.82%,并出现金属元素高含量,平均达926ppm,以高含量Ba、Cu、Zn、Cr、Ni、Th等元素为特征;2)床得组红层〓相对于定日地区同期海相碳酸盐〓整体负向偏移量达2.0‰,而在其床得组红层内部〓自下而上一直攀升,自-1.5‰~0.0‰之间上升到0.0‰~1.0‰之间;定日贡扎剖面相当于江孜床得组红层的Santonian-Campanian期,〓也出现一弱负向偏移,偏移量达-0.8‰;3)红层内锶同位素〓比值为最低值,同期定日地区也出现锶同位素低值;4)床得组部分层段的泥晶灰岩出现丰富的有孔虫,其中尤以浮游有孔虫最为繁盛,与江孜地区临近的浅海陆棚相的定日—岗巴地区此时期出现自Cenomanian-Turonian界线生物绝灭后的生物辐射期。
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Based on the theory of aerothermodynamics for rarefied gas, discusses the principle of compound heat transfer in the vacuum layer.
应用稀薄气体分子热运动理论,研究了真空层复合传热机理,提出了真空层当量导热系数计算方法,分析了不同真空层压力和热媒温度对真空层传热量的影响以及导热、对流和辐射传热量在真空层总传热量中所占比例和变化规律,提出优化真空保温管道保温性能的方法。
- 推荐网络例句
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I will endeavour to find you some assistance.
我尽力帮你找人帮忙。
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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.
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。
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Ah may dee:You are chinese living in a democratic country.
你是居住在民主国家的中国人吧。