half beam 中文意思是什麼

half beam 解釋
半橫梁
  • half : n （pl halves ）1 半，一半；一部分。2 半小時;半英里;半品脫;半價票;〈美國〉半美元;半學年，一學期。...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  1. A yellow beam of sunlight ， filtering through the muslin curtains ， slanted on to the table ， where a matchbox ， half open ， lay beside the inkpot

    桌上有一個火柴盒，半開著，在墨水瓶旁邊，他右手插在兜里，朝窗戶走去。
  2. On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam

    論文研究論證了用值評價激光光束質量的實際意義在於兩個方面，一方面它僅僅包含了光束束寬和發散角，不涉及波長的因素，使不同波長激光束的可加工能力具有可比性;另一方面，值是根據對光束傳輸路徑上不同位置處束寬實際測量結果的計算值，比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。
  3. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。
  4. 3 - dimension parameters of 2 - 4 targets can be jointly estimated as long as the direction intervals are greater than half beam width

    在目標方位間隔大於半波束寬度時，可實現2 4個目標的三維參數聯合估計。
  5. 3. the fully inseparable bright tripartite entangled state ( tes ) was experimentally generated using the nopa at deamplification and the linear optical system consisting of polarization beam splitters and half wave plates

    實驗測定的這兩個起伏方差分龍要別較散粒噪聲極限降低3 . 28dbm和3 . 18dbm 。
  6. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。
  7. Anyway, my thoughts kept wandering like this during the entire two and a half hours of meditation. then i laid down to sleep. at that very moment, a beam of yellow light emerged from my wisdom eye, then my body flew upwards

    就這樣胡思亂想的，兩個半小時打坐結束了，我就躺下來想睡覺，這時候從智慧眼處有一道黃色的光出去了，跟著我的身體也飛了起來，飛呀！
  8. It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap

    實驗中還發現，在峰值磁場0 . 57t和束流半高寬44ns情況下，得到了25ns半高寬和35ns底寬的微波脈沖信號，隨著導引磁場增加，微波信號幅值基本不變，但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍，說明在磁場軸向分佈的一定變化范圍內，器件都可以正常工作，這對以後的永磁場系統導引的微波實驗有利。
  9. We could put a repeating device in such a position that it strengthened the signal from one half of the split beam and not from the other.

    我們在一定的地點設置一種重復發射器，加強分裂射束的一半信號，而不加強另一半信號。
  10. It indicates that although this procedure has introduced the mechanistic - empirical method, but still is not perfect in design theory : one is about bearing capacity evaluation method and device. the currently used device - benkelman beam is dropping behind the development of the pavement testing service ; the other is about the mechanistic method that used in overlay design. it simplifies the original pavement and subgrade as a whole half infinite space, this is not true in the real layered pavement structure

    綜合分析了各種罩面設計方法的原理及其優缺點，對於我國目前設計規范中所採用的罩面設計方法進行了詳細的分析與研究，指出了它雖然已經採用了力學與經驗相結合的設計方法，但仍然存在著明顯的不足之處：一方面是舊路承載能力評價設備仍然採用貝克曼梁，檢測手段落後；另一方面，在力學設計方法中，對于舊路承載能力的評估忽略了舊路面結構的分層，而是採用了近似的彈性半空間體，給出了舊路頂面的綜合回彈模量。
  11. In order to realize low half - wave voltage, high polarzation extinction ratio, low pigtailing polarization crosstalk, low insert loss, precise tapped power ( ratio ) and good splitting beam ratio, the optimum design was performed

    為了實現低的半波電壓、高的偏振消光比、低尾纖串音、低插入損耗、精確的抽頭功率比和良好的分束比，我們對器件結構進行了優化設計。
  12. Beam half - angle

    束半張角
  13. On the table stood a dark - lantern with the shutter half open, throwing a brilliant beam of light upon the iron safe, the door of which was ajar

    桌子上放著一盞熄滅了的提燈，窗板半開，亮光照在半開的保險柜上。
  14. The distance from figure center of the parabola to the potential slide surface is less than half of the section length. mechanical conditions of this method include not only force equilibrium but also moment equilibrium. as for the beam - on - foundation, its pressure can be calculated by homogeneous hypothesis or winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximatively on the long term working step

    對于樁在滑面以上段所受的坡體荷載，提出可按形心偏下的拋物線型分佈模式計算，並在滿足力的平衡條件的同時還滿足力矩平衡條件；對于地樑上作用的坡體荷載，提出在錨索張拉階段可按均布或溫克爾（ winkler ）地基假定或彈性半無限體地基假定來計算，在工作階段則一般可以近似按庫侖主動土壓力理論計算。
  15. On the pulling anchor - cable step, the internal force of beam - on - foundation can be calculated by winkler hypothesis in the case of weak rock mass and infinite half elastic foundation hypothesis in the case of stratums that are of some elastic characteristics

    在張拉階段，可以採用溫克爾假定計算破碎軟弱巖體上的地梁內力；對于有較好彈性性質的地層，則可按彈性半無限體地基計算地梁內力。
  16. Being calculated, the frame beam - on - foundation may be disconnected to two single beams. on the pulling anchor - cable step, the internal force of single beam - on - foundation can be calculated by winkler hypothesis in the case of weak rock mass and infinite half elastic foundation hypothesis in the case of stratums that are of some elastic characteristics. the internal force of frame beam - on - foundat

    在張拉階段，對于單片型地梁，可以採用溫克爾假定計算破碎軟弱巖體上的地梁內力；有較好彈性性質的地層，可按彈性半無限體地基計算地梁內力；對于框架型地梁，可按溫克爾地基模型計算其各單片梁的內力。
  17. Slope pressure on the beam - on - foundation can be calculated by winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximately on the long term working step. in addition, calculation methods of internal force of prestressed anchor - cable beam - on - foundation are provided

    對于作用於地樑上的坡體荷載，提出在錨索張拉階段可按winkler地基假定或彈性半無限體地基假定來計算，在工作階段則一般可以近似按庫侖主動土壓力理論計算。
  18. Currently, the calculating theories of concrete - beam temperature fields can be divided summarily into three types : category 1 is the method of how the hot conduct in the square distance ; category 2 is the proximate - number analytical method, such as finite difference method, finite element method etc. ; category 3 is a half experience and half theoretic method

    目前混凝土箱梁溫度場的計算理論和方法概括起來，大致可以分為三類：第一類為熱傳導方程求解法；第二類為近似數值分析方法，如有限差分法、有限元法等；第三類為半經驗半理論法。
  19. They split a laser beam in two, sending one half to a sample

    當雷射光擊中單一小顆粒，便會向後散射，然後與另外一道雷射光重新結合。
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