查询词典 conical helix

According to the theory of antenna and electromagnetic, I simulated the helix antenna which is common antenna on the satellite, and I acquire the preferable result and made different circular polarization helix antenna.

根据天线和电磁场理论，笔者通过仿真星载天线中最常见的螺旋天线，得到较好的效果后，制作不同圆极化方向的螺旋天线。

The experiment results are provided to show that the correspondence quality of the circular polarization helix antennal is good and it meets the design requirements.helix antenna; finite - element method ; radiation pattern; antenna gain

他是2O世纪5O年代首先在连续体力学领域——飞机结构静、动态特性分析中应用的一种收稿日期：2006～12一O7 基金项目：广西自然科学基金(0447090)有效的数值分析方法，随后很快广泛应用于求解热传导、电磁场、流体力学等连续性问题。

Generally, B in the configuration closest cell's DNA conformation, it and the double helix model are similar. A-DNA and when RNA member double helix area as well as duplication forms the DNA-RNA hybrid molecule conformation is close. Z-DNA take the nucleotide dimer as the unit left-hand winding, its principal chain assumes the denticle the shape, therefore.

一般认为，B构型最接近细胞中的DNA构象，它与双螺旋模型非常相似。A－DNA与RNA分子中的双螺旋区以及转录时形成的DNA－RNA杂交分子构象接近。Z－DNA以核苷酸二聚体为单元左向缠绕，其主链呈锯齿形，故名。

We build the model for the enveloping worm helix parametric equation and then analyze its relations with the enveloping worm helix tooth surface equation,thus establishing the characteristic model of the involute helicoid enveloping worm′s generative gears.

渐开面环面蜗杆的三维构建属复杂曲面造型，文章在环面蜗杆螺旋线参数方程建模的基础上，分析讨论了其与渐开面环面蜗杆螺旋齿面方程的对应关系，建立了渐开面包络环面蜗杆产型齿的特征模型。

Investigation and discussion is various the portrait equipment having the three-dimensional body imaging function applies to hitting the target clinically, many row CT are worth to the application that the bone and arthrotrauma fracture 3-D rebuild, helix CT valuation in cultivating operation in the tooth, helix CT 3

探讨多种具有三维立体成像功能的影像设备在临床中的应用，多排CT对骨与关节外伤性骨折三维重建的应用价值，螺旋CT在牙种植手术中的评价，螺旋CT三维重建在胫骨平台骨折中的应用，三维重建技术的实现可以准确地提供影像诊断和医疗决策。

Investigation and discussion is various the portrait equipment having the three-dimensional body imaging function applies to hitting the target clinically, many row CT are worth to the application that the bone and arthrotrauma fracture 3-D rebuild, helix CT valuation in cultivating operation in the tooth, helix CT 3-D rebuilds in application in tibia platform fracture , 3-D rebuilds the technology realization to be able to provide the portrait diagnose and the medical treatment decision-making accurately.

中国医科大学临床医学七年制，沈阳， 110001）择要：探讨多种具有三维立体成像功用的影像装备在临床中的应用，多排CT对骨与关节外伤性骨折三维重建的应用价值，螺旋CT在牙种植手术中的评价，螺旋CT三维重建在胫骨平台骨折中的应用，三维重建技术的实现可以准确地提供影像诊断和医疗决策。

Myogenic regulatory factors are part of a superfamily of basic helix-loop-helix transcription factors.

而探讨骨髓干细胞定向分化为肌细胞的机制将是解决这个问题的关键。

Based on the triple helix theory,starting from the concept of Triple Helix Interface Organization,structural forms of bilateral THIO and trilateral THIO are presented.

本文以创新三螺旋理论为基础，从三螺旋接口组织的概念出发，首先对双边接口组织和三边接口组织的结构形式进行了阐述。

Because of this, it is usual to specify the lead angle on the worm, which is the complement of the worm helix angle, and the helix angle on the gear; the two angles are equal for a 90-deg. Shaft angle.

正因为如此，它通常指定牵头角度对蠕虫，它是相辅相成的蠕虫螺旋角，螺旋角对齿轮；两个角度来看都是平等的，为90摄氏度。

Because of this, it is usual to specify the lead angle on the worm, which is the complement of the worm helix angle, and the helix angle on the gear; the two angles are equal for a 90-deg.

正因为如此，它通常指定牵头角度对蠕虫，它是相辅相成的蠕虫螺旋角，螺旋角对齿轮；两个角度来看都是平等的，为90摄氏度。

Apllied the data of QuickBird-2——the highest resolution remote sensing,and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.

采用Quick Brid-2高分辨率卫星遥感数据，通过分形几何学的盒计维数法，定量研究广西高龙金矿区遥感线性构造。

So, sometimes, to change the color can not be your food (referring to the above-mentioned crustacean) has been a sign of boiling over.

所以，有时，来改变颜色，不能你的食物一直是沸腾了的迹象。