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面裂

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The results showed that the pollen grains of wild Rosa rugosa were prolate or perprolate, and their equatarial view was long ellipse, long ellipse leaning toward rectangle or ellipse leaning toward spindle and the polar view was 3-labed-rounded, the two poles were plane or embowed. They all had 3-colposates which annularly distributed in equal space, and the pollens belonged to N3P4C5 model.

结果表明:野生玫瑰的花粉粒为长球形或超长球形,赤道面观长椭圆形、长椭圆形偏矩形或椭圆形偏纺锤形,极面观三裂圆形,两极平截形或圆弧形,具三孔沟,以等间距环状分布,属于N3P4C5型花粉。

Excavated or modified form of pressure stabilized after crack hit paved surface of asphalt concrete or cement concrete surface.

改造方式包括挖除或砸裂压稳之后铺筑沥青混凝土面层或水泥混凝土面层。

Oblique fissure ; Horizontal fissure of right lung ; Interlobar surface ; CT

斜裂;右肺水平裂;叶间面; CT

In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1~0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.

本文采用三维有限元浮动网格法仿真计算程序,对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析,对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析,在此基础上提出了推荐的施工方案;根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案;玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果,对推荐的施工方案进行了温度场和温度徐变应力仿真计算,并对比分析了两种不同骨料情况下的温度场和温度应力,结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求,且灰岩细骨料优于玄武岩细骨料;计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响,夏季蓄水方案与冬季蓄水方案相比,坝体上游变态混凝土区域最大拉应力小0.1~0.3MPa,其他部位最大拉应力无明显变化,夏季蓄水对坝体上游面混凝土的抗裂有利;根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施,对大坝的设计温控措施进行了综合评价,并提出了该工程的温控措施,对温控设计和优化施工方案具有重要参考价值。

Reasonable acid system is the key factor of eliminating the fracturing fluid damage to fracture surface and proppant, and also the key factor of making the hydraulic fracturing compounding acidifying technology successful.

酸液体系是否合理是能否消除压裂液对裂缝壁面及支撑剂层损害的关键因素,因此也是水力压裂复合酸化技术能否取得成功的关键。

Float ore work mortar is a superior crack resistance and to a certain flexibility, is designed to vacuum glass ball of beads perlite insulation mortar design, is conducive to raising and protecting the ball vacuum glass of beads perlite insulation mortar comprehensive performance is vacuum-perlite insulation glass beads of mortar than with supporting materials, and is particularly important in the whole insulation system, thin scraping thickness is batter, generally no more than 2 mm.

抹面抗裂砂浆是具有优异的抗裂和一定柔性,是专为真空球珍珠岩玻化微珠保温砂浆设计的,有利于提高和保护真空球珍珠岩玻化微珠保温砂浆的综合性能,是真空球珍珠岩玻化微珠保温砂浆比配的配套材料,在整个保温系统中尤为重要,刮抹厚度以薄为宜,一般不超过2mm。

Float ore work mortar is a superior crack resistance and to a certain flexibility,is designed to vacuum glass ball of beads perlite insulation mortar design, is conducive to raising and protecting the ball vacuum glass of beads perlite insulation mortar comprehensive performance is vacuum-perlite insulation glass beads of mortar than with supporting materials, and is particularly importantin the whole insulation system, thin scraping thickness is batter, generally no more than 2 mm.

抹面抗裂砂浆是具有优异的抗裂和一定柔性,是专为真空球珍珠岩玻化微珠保温砂浆设计的,有利于提高和保护真空球珍珠岩玻化微珠保温砂浆的综合性能,是真空球珍珠岩玻化微珠保温砂浆比配的配套材料,在整个保温系统中尤为重要,刮抹厚度以薄为宜,一般不超过2mm。

Float ore Work resist Fissure Mortar is a waterproof impermeability with excellent crack resistance of the special dry-mixed mortar, it is a kind of dry power comp;exed by polymer modified import materials and vacuum ball perlite glassy beads, the scene of mixing water can be used directiy.

抹面抗裂砂浆是一种具有优异防水抗渗抗裂性能的特种干混砂浆,是以进口高分字改性材料和真空球珍珠岩玻化微珠复合而成的干粉料,现场施工加水搅拌即可使用。

Float ore Work resist Fissure Mortar is a waterproof impermeability with excellent crack resistance of the special dry-mixed mortar, it is a kind of dry power comp;exed by polymer modified import materials and vacuum ball perlite glassy beads, the scene of mixing water can be used directiy. Construction

抹面抗裂砂浆是一种具有优异防水抗渗抗裂性能的特种干混砂浆,是以进口高分字改性材料和真空球珍珠岩玻化微珠复合而成的干粉料,现场施工加水搅拌即可使用。

Shapes of microvoids in OFHC Cu and pure Cuare in difference. OFHC Cu target spalled under electric gun driven driven two stage metalflyer impact loading, the velocity profiles of rear surface were measured by VISAR. The spallstrength and debris size are according with the reported data and wave propagation law.

纯度不同的铜中微孔洞分布形貌存在差异,同时开展了电炮驱动二级飞片撞击无氧铜靶层裂实验,采用VISAR测量靶后自由面速度历史,测量的层裂强度和层裂片厚度与文献公布规律和冲击波传播规律基本符合。

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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。