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The accelerated algorithm of volume rendering based on textures mapping and the wavelet-based multiresolution volume rendering in network are performed by using OpenGL 3D visualization technique. From the point of view of computer graphics, 3D visualization mechanism of volume rendering based on OpenGL textures mapping is studied, including modelview transformation, projection transformation, perspective division, viewport transformation and the ways to embed textures mapping and blending in above four transformations.

利用OpenGL三维可视化技术实现了本文所提出的基于纹理映射的体绘制加速算法和网络环境下基于小波的体数据的多分辨率体绘制,并从计算机图形学的角度,研究了基于OpenGL纹理映射技术的体绘制的三维可视化流程,包括OpenGL的模视变换、投影变换、透视除法、视区变换,以及纹理的定义、映射与融合等步骤在上述四个变换中的嵌入方法。

Curtain plate stainless steel plate, spray nozzle for the spray nozzle to capture, exhaust fan with explosion-proof fan.3, chamber body assembly plate connection between the use of bolts, installation, removal, fast and convenient.4, configuration, special explosion-proof spray room lighting, interior lighting sufficient light.5 mist treatment with water curtain, shower folding capture plus maze can efficiently remove the paint mist.6, circulation pump with an area of small, simple installation and pipeline pumps.7, Room δ1.5mm steel and steel body is made of.8, dust chamber body is made of EPS board, has entered out.9, water curtain spray booth technical parametersNo Item ParametersA flow rate (m3 / h) 90002 Power 43 pump power 34 open wind speed 0.6-0.75 Compressed air consumption (m3/min) 0.36 lamp illumination 400Z-7 nozzle8 Painting Room: Dimensions 2500 × 2400 × 26009 Dust Room: Dimensions 2500 × 1800 × 3400Note: Manual spray system uses 你好gh-quality brand-name products in Taiwan.6, leveling RoomLeveling effect of room to spray paint surface after the paint on the share level, and to a number of solvent evaporation in order to prevent baking too quickly appeared in the film pinhole.1, Room body is made of welded steel and steel plate.2, chamber body wall windows with transparent glass observation and maintenance of the door.3, chamber body with the top emission device, keeping indoor air fresh.4, room spray processing site in vivo, uniform color, elegant appearance.3, the consolidated statementa, baking oven is designed to bridge Road.

没有碰到水帘的漆雾由水帘下部进入喷漆室的后部,由喷嘴喷出的水雾冲洗、迷宫折板过滤及折板上的喷淋系统三次过滤后,废气经风机排至大气中,布局特点如次:一、设置双工位水帘喷漆室。二、槽体采用型钢及Q235钢板制作,板厚4mm。水帘板为不锈钢板,喷淋捕捉喷嘴为雾化喷嘴,抽风机采用防爆型风机。3、室体拼装板之间采用螺栓连接、安装、拆卸、迅速,便捷。四、配置喷漆室专用防爆照明,内部采光充足、明亮。5、漆雾处理采用水帘、喷淋捕捉加迷宫折板,可高效去除漆雾。6、轮回泵采用占地少、安装简略的管道泵。7、室体采用δ1.5mm钢板与型钢制作而成。八、防尘室体采用EPS板制成,设有出进门。9、水帘喷漆室技术参数序号项目参数1 处理风量(m3/h) 90002 功率 43 水泵功率 34 开口风速 0.6-0.75 压缩空气耗量(m3/min) 0.36 照明灯照度 4007 喷嘴 Z型8 喷漆室:外形尺寸 2500×2400×26009 防尘室:外形尺寸 2500×1800×3400注:手动喷漆系统采用台湾优质名牌产品。六、流平室流平室的作用是使喷漆后喷在工件表面上的漆铺平,并使溶剂挥发一些,以防止烘烤过快而在漆膜上浮现针孔。一、室体采用型钢与钢板焊制而成。

In this paper, using the orthogonal design method, 16 groups(96 pieces) of shear masonry specimens were designed. According to the results of the experiment, the effects of the mortar strength, kind of walling materials, the mixed quantity of PVB and MC for the shear resistance of masonry specimens have been analysed. By way of experimental statistical regression, the calculating formula of the shear strength of modified mortar masonry for every kind of walling material has been established.

本文采用正交设计的方法,共进行了16组96个试件的抗剪试验,研究了砂浆强度、块体类别、PVB掺量、MC掺量四种因素对砌体抗剪性能的影响;并针对每一种块材砌体进行抗剪强度分析,经统计回归得到了改性砂浆砌体抗剪强度的计算公式。

The results showed that POD activity increased at first and then decreased in the skin and flesh of root. The peak occurred at 40 d and 60 d in the skin and flesh, respectively. POD activity in the skin was higher than that in the flesh at 30 d and then contrary results were observed. The higher POD activity was, the more POD isoenzyme was. The pattern of POD isoenzymes was different between skin and flesh at different vegetative growth stages. POD isoenzymes in the skin were composed of five monomers and four dimers while five dimers or two monomers, two dimers and one tetramer in the flesh. POD isoenzymes in the root were mainly acidic. POD localized mainly in the cell walls of periderm, cambium, xylem ray, xylem vessels and primary xylem.

结果显示,心里美萝卜营养生长期肉质根的皮和肉中POD活性均先升高后降低,分别在播种后第40 d和60 d出现峰值,30 d时皮中POD活性高于肉,之后则相反,酶活性最高时同工酶数目也最多,不同时期,皮和肉中同工酶种类不同;皮中POD同工酶由5个单体和4个二聚体组成,而肉中由5个二聚体或2个单体、2个二聚体和1个四聚体组成,均以酸性同工酶为主;组化定位显示POD主要分布在肉质根的周皮、形成层、木射线、木质部导管和肉的初生木质部等的细胞壁附近。

To establish the efficient in vitro regeneration system and polyploidy induction system, the effects of hormones in media on shoot regeneration from leaves of plants and the suitable methods of tetraploid induction were studied.

为建立寒富苹果高效的离体再生体系和多倍体诱导体系,以试管苗叶片为外植体,研究了培养基中激素对寒富叶片再生芽的影响及适宜的四倍体诱导方法。

The Yushulin oilfield is located in eastern slope of Sanzhao seg of central sag zone in the northern part of Songliao basin. Its main oil-producing formations are Fuyu and Yangdachengzi oil layers of mesozoic group cretaceous. Its reservoir is fluvial facies sediment. Main sandstone is positive circle channel sandstone with calcium in the beneath, and microelectrode curve is box distribution function. Its secondary oil-producing formation is Yaoyi part of Putaohua oil layer. Its reservoir is delta front sediment. Main sandstone is subaquatic distributary channel sandstone, and microelectrode curve is box distribution function.

榆树林油田处于松辽盆地北部中央坳陷区三肇凹陷东部斜坡,主要产油层系是中生界白垩系泉三、四段的扶余、杨大城子油层,储层为河流相沉积,主要砂体为有底钙存在的正旋回河道砂体,微电极曲线形态为箱型;其次为姚一段的葡萄花油层,储层为三角洲内前缘沉积,主要砂体为水下分流河道砂体,微电极曲线形态为箱型。

Our results suggested that the channel contains two of each subunit and the stoichiometry is apt to 2:2 if hetermeric ASIC channel is a tetramer,while the assembly of ASICs is random,the stoichiometry is not fixed(2:1 and 1:2 coexist)if hetermeric ASIC channel is a trimer.This study provided interesting new data supporting the occurrence of the homomeric and heteromeric assembly of ASICs.

另外,我们还对ASIC异聚体的分子比情况进行了初步的探讨,结果发现如果所形成的ASICs异聚体通道是四聚体,那么每种亚单位有两个,分子比倾向于2∶2;如果是三聚体,则提示ASICs的装配是随意的,分子比是不固定的,2∶1和1∶2这两种情况都存在。

In order to get the information of interaction between metal complex and DNA and select metal complexes which can cleave DNA effectively, twenty seven transition metal complexes containing O/N coordinate atoms have been synthesized in this thesis. We report the synthesis, crystal structure and properties of the complexes. One of the complexes is the first μ〓-oxalato tetranuclear Cu complex, in which there is ferromagnetic interaction between the copper atoms bridged by oxalate ions. Two trinuclear copper complexes containing partial cubane Cu〓O〓 cores have been synthesized and discussed the magnetic properties.

为了解金属配合物与DNA的相互作用及筛选能有效切割DNA的金属配合物,为无机药物合成及应用提供基础信息,本文利用十个含N、O原子的多齿配体设计合成了二十七个未见文献报道的过渡金属配合物,并解析了它们的晶体结构:其中包括首例μ〓-草酸根的四核铜配合物;合成了两个具有μ〓-OH〓三核缺角立方烷结构的Cu配合物;以HCBP衍生物为配体合成了七个过渡金属配合物;以SCN〓、N〓,C〓O〓等为桥联配体,以dmpyen为端基配体合成了十一个配合物。

In order to investigate the relationship between the open-chain ligands and metal ions, and the possibility of the metal complexes used as electroluminescent materials, a new naphthol schiff base ligand which is a open-chain crown and its four transition metal complexes, a new amide type tripodal ligand containing heterocyclic ring, two tripodal ligands (H〓L〓 and H〓L〓) containing phenol schiff bases and their rare earth complexes were synthesized and characterized.

为了进一步研究和探讨开链配体与金属离子的配位作用,以及金属配合物作为电致发光材料的可能性,我们设计合成了含萘酚环的Schiff碱开链冠醚H〓L〓及四种过渡金属(Zn、Ni、Co、Cu)配合物,两个含酚羟基的Schiff碱三足配体H〓L〓和H〓L〓及稀土配合物,一个含杂环的酰胺型三足配体L〓,培养了配体L〓的单晶,确定了其晶体结构。

The genetic analysis and improvement of characters, such as tuber processing quality traits and yield components which tend to be quantitatively inherited, are far more difficult than those at diploid potato. Reviewing the earlier studies indicated that a few systematic investigations on genetics of important traits in potato were untaken and most focused on estimates of combing ability for agronomic traits due to limited materials and methodologies available.

利用二倍体材料简化了遗传分离比例、可应用现有的二倍体遗传模型进行遗传分析并更有效的挖掘和利用二倍体资源中的优异基因,进而通过倍性育种及遗传工程育种将有利性状转育到四倍体普通栽培品种。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。