查询词典 ridge beam

The passive beam delivery system in the superficially-placed tumor therapy terminal at Heavy Ion Research Facility in Lanzhou, which includes two orthogonal dipole magnets as scanning system, a motor-driven energy degrader as range-shifter, series of ridge filters as range modulator and a multileaf collimator, is introduced in detail.

详细介绍了兰州重离子研究装置浅层肿瘤重离子治疗终端的被动式束流配送系统，对该束流配送系统重要组成部件及其整体的性能进行了实验验证。

Survival fractions of melanoma B16 cells at different penetrationdepths exposed to 49.30MeV/u 12C ion beam and modulated 74.55MeV/u 12C ion beam with a ridge filter to form a spread-out Bragg peak were measured.

测量了49.30MeV/u及经脊形过滤器展宽的Bragg峰的74.55MeV/u12C离子束在不同贯穿深度上辐射后黑色素瘤B16细胞的存活率。

The ridge－loaded helical traveling wave tube is a new kind of high power millimeter wave device. The "hot" dispersion equation of this circuit loaded with an electronic beam is presented in this paper, and the Downhill method is used to solve the transcendental equation.

脊加载螺旋槽行波管是一类新型毫米波大功率器件，给出了此结构中引入电子注后的"热"色散方程，并利用"牛顿"下山法求解了此复系数超越方程。

Only when the Qin and Han Dynasties in Fujian and Guangdong jagged ridge of the channel for clearance Livistona; of the Jin Dynasty in the early years of Liangshan County under the build-sui; Liang-day supervisor (502-519 years) years in the city Jing to build water-lan County; beam Datong 2006 (In 504 AD) built in Kowloon River Longxi County; 12 Suikai Huang (592 AD), Sui and security, county Longxi into the blue water.

秦汉时只在闽粤通道的盘陀岭设蒲葵关；晋代初年在梁山下建绥安县；梁天监（502-519年）年间在荆城建兰水县；梁大同六年（公元504年）在九龙江畔建置龙溪县；隋开皇十二年（公元592年），并绥安，兰水入龙溪县。

Because the east and west walls are not parallel and because the ceiling's geometry on each side of the ridge beam is square to the east and west walls respectively, the lines of the geometry continue to spiral around from wall to ceiling to wall to floor, like a string wrapping the space.

由于东，西城墙不平行，因为天花板的几何一边一国脊束平方米的东，西城墙分别按照几何继续螺旋周围上限从墙到墙，地板，像一个字符串包裹空间。

"Burden of proof is the ridge beam of litigation", this proverb shows vividly the importance of burden of proof.

&证明责任乃诉讼的脊梁&，形象的法谚一语道出了证明责任的重要性。

There are nine major East-West ridge, beam over the forest, magnificent momentum.

在东西有九个大山梁，梁上森林密布，气势雄伟。

And now you have to use your imagination: a north wall, a ridge beam, 16 ft rafters sloping north, 10 ft rafters sloping south.

现在你只能发挥你的想象了：一道北墙，一道脊梁，16英尺的椽子斜搭在北面，10英尺的椽子斜搭在南面

The main body of this statue is two metallurgical construction people who are holding up the sun hand in hand, which symbolizes the hard workings done by the generations of MCC20 people in the 30-year history river who propped up the ridge beam of steel as well as the sun that symbolizes the metallurgical construction cause.

钢雕主体两个冶建人，携手托起太阳，象征着在30多年的历史长河中，几代冶建人艰辛创业，撑起了中国钢铁的脊梁，托起了冶建事业的太阳。

GHz ridge－loaded helical groove slow wave structure with a 20kV electron beam are given and the investigations of the effect of the ridge dimensions and electron beam parameters on the small signal gain are carried out. It is indicated from the calculation results that this type of structure is suitable for use as s SWS of high power, high gain but narrow passband millimeter TWT, of which the 3dB gain bandwidth is 3.4%. In order to increase the bandwidth, the reduction of the ridge gap or the increase of the electron beam current in an allowable range may be useful.

GHz的脊棱加载慢波结构的具体尺寸，并对此结构中小信号增益随脊尺寸的变化情况及电子注参数对其影响进行了研究，计算结果表明：此结构适宜于作为高增益窄带毫米波大功率行波管的慢波线，其3dB增益带宽为3.4%，为了展宽其工作带宽，可以适当减小间隙宽度，也可在一定范围内提高电子注电流。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。