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In addition, there are square, diamond, triangular, toothed, dovetail-shaped, B-shaped, C-shaped, are generally only used in high and medium pressure valve.

此外，还有方形、菱形、三角形、齿形、燕尾形、B形、C形等，一般只在高中压阀门中使用。

But the dolphin has a bottle-shaped nose and cone-shaped teeth while the porpoise has a flat nose and chisel-shaped teeth

但是&dolphin&有长圆形的鼻子和锥形的牙齿，而&porpoise&的鼻子却是扁平形，牙齿是凿形的。

Glass bottle selection is more consistent, more modeling, processing technology rich, and caps with diversity, a common bottle-shaped with cylindrical, oval-shaped, flat, prism, cone, etc., the manufacturers often develop series of bottle-shaped.

玻璃瓶选材较为一致，造型较多，加工工艺丰富，与瓶盖搭配多样化，常见的瓶形有圆柱形，椭圆形、扁形、棱形、锥形等，厂家常会开发系列瓶形。

She Zhuanghua showed several rounds of petals obovate, white, green, yellow, pink, red, orange and other colors, Guan Zhuanghua concentrated in the central yellow chrysanthemum orange, marginal division, achene widely oval to the bottle-shaped, tube-shaped flowers bear achenes oval-shaped, flat small, flowering from June to September, fruit mature period from August to October.

舌状花多轮花瓣呈倒卵形，有白、绿、黄、粉、红、橙等色，管状花集中在花盘中央黄橙色，边缘分裂，瘦果广卵形至瓶形，筒状花结出瘦果椭圆形、扁小，花期6-9月，果熟期8-10月。

It is found that the ground state structures of S3, S4, S5, S6, S7 and S8 are C2v, D2h, envelope-shaped Cs, D3d(or boat-shaped C2v), a chair-shaped Cs and D4d symmetry structures, respectively, which are in good agreement with experiment.

结果表明，S3，S4，S5，S6，S7和S8的结构对应为C2v，D2h，信封式Cs，D3d(或船式C2v)，椅式C5和D4d的对称结构，其结构参数与有实验数据的S和S6-8吻合较好。

The cooling crystallization and the polymorphic transition processes of L-Serine in aqueous solution were real time monitored by PVM and FBRM. The results show that at a higher temperature, the anhydrous crystals form in club-shaped habit, while the temperature of the slurry was cooled under the polymorphic transition temperature, the club-shaped anhydrous crystals would translate to the hexagonal plate-shaped monohydrate crystals.

利用PVM和FBRM对L-丝氨酸水溶液的冷却结晶过程和晶型转变现象进行的实时监测表明，在高温区析出的是棒状无水合L-丝氨酸晶体，当冷却至晶型转变温度以下时，棒状晶体逐渐转变为六角片状的水合晶体。

Three types of rice cake packages avail, with fish-shaped rice cakes plus the choice of turnip cake, golden coin-shaped or golden ingot-shaped rice cakes.

虎跃龙腾迎春到！三款年糕礼盒，内装鱼形年糕，还有萝卜糕，金元宝或金币形年糕供挑选。

Three models (star-shaped, H-shaped, and comb-shaped polyethylenes) are used to study the crystallization behavior of low-density polyethylene at the molecular level by means of molecular dynamics simulation.

3采用星型、&H&型、梳型三种结构的聚合物分子模型，利用分子动力学模拟，从分子水平上探讨了低密度聚乙烯模型分子的结晶机制。

The array chip takes a flexible transparent polyimide thin membrane as the base, the lower surface can form a cross comb-shaped array multimicroelectrode, the electrode group is composed of two comb-shaped microelectrode array electrodes which are mutually crossed but not contacted with the electrical structures not being connected, and the microchannel between the both internal electrodes of the electrode group serves as the service passage; the array chip is inversely buckled on the fusion pool, and the cross comb-shaped array multimicroelectrode on the array chip correspondes to the cell electric fusion pool and falls in the cell electric fusion pool.

阵列芯片以柔性透明聚酰亚胺薄膜为基底，下表面通过蚀刻形成交叉梳状阵列化微电极组，电极组由两个相互交叉、互不接触、电气结构上互不连接的梳状微电极阵列电极构成，电极组内部微电极之间的微通道为工作通道；阵列芯片倒扣于融合池上，其上的交叉梳状阵列化微电极组与细胞电融合池相对应，落于细胞电融合池中。

In this paper, based on a pill-box window model with a conical-shaped alumina ceramic and Ansoft HFSS software, the relation of VSWR with various electrical parameters in the window is simulated; the effects of variations of the output window structure on electrical field intensity, microwave power flow and quantity of heat are analyzed; the electrical characteristics of frequency bandwidth, power capability and heat dissipation for the pill-box window with conical-shaped or disk alumina ceramic are discussed, which shows that, with a rational structure of the window with conical-shaped alumina ceramic, the output capability of microwave peak and average power may greatly be increased, the secondary electron emission may effectively be suppressed, and heat dissipation may become more uniform and be easier for cooling.

本文在前人工作的基础上，基于圆锥形陶瓷盒形输出窗模型，采用Ansoft HFSS三维计算软件的优化模拟，对该输出窗模型的驻波频率特性与各种结构参量的关系进行了优化模拟，分析了该输出窗片结构变化对其表面的电场分布，功率流分布、热量分布的影响，得出最优模型参数。并且探讨了陶瓷窗片的形状和几何结构对改善输出窗的频带特性、提高峰值功率和平均功率、抑制二次电子倍增方面的作用。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。