wave hollow 中文意思是什麼
wave hollow
解釋
波谷-
Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve
空心結構的鐵氧體是對傳統實心鐵氧體的改造，不僅密度小，還具有特殊的電、磁功能，有可能使電磁波在其空腔中反復振蕩吸收，成為電磁波的「黑洞」 ，從而增加材料的吸波能力，同時可通過調節核殼粒子的內外徑來調控電磁參數。 -
The photograph of sem showed that its surface have homogenously coated with nickel, although the hollow glass beads were crashed by agitation and heating. after pretreatment and nickel plating, the dispersity of mica powders evidently improved and the infrared emissivity decreased from 0. 85 to 0. 43, and has certain wave absorbability of radar
對雲母的化學鍍鎳工藝研究中，發現經過預處理后雲母表面獲得了鎳層，通過掃描電鏡分析，鍍鎳后雲母的分散性提高，表面狀態發生了較大的變化，法向積分發射率顯著降低，由0 . 85降低為0 . 43 。 -
Wave absorbing materials of hollow structure are the research trend
空心結構的吸波材料是吸波材料的研究趨勢。 -
At one time complex structure and area of weariness crack ( including whole suspension hollow axis of swivel, half suspension adopted axletree, substituting holistic grinding steel wheels for wheel - hoop compounded wheels, different wheel - axletree structure of different locomotives, different transmission chamfer machining step of axletresses and driven traction gear etc. ) centralizing make wave clutter and repeat to disturb recognition of real fault wave
同時，由於全懸掛空心軸、半懸掛抱軸承等復雜結構車軸的使用和整體碾鋼輪陸續替代輪箍組裝式車輪，各型機車輪軸結構不同，車軸加工臺階和過渡圓角不同，從動牽引齒輪與車軸採用過盈裝配等，在這些結構復雜且疲勞裂紋產生集中的區域，探傷時極易發生波形交織和重復，難以識別真正缺陷波。 -
Based on the characteristics of hollow wave guide for co2 laser delivery, a cone - shaped wave guide coupler system was designed and fabricated in this work
摘要針對co2激光傳輸用空芯波導的特點，設計、制備了錐形空芯波導耦合器系統。 -
Delivery performance test shows that this wave guide coupler system may help much in improving the transmitting property of co2 laser hollow wave guide
對此耦合系統的傳輸性能測試表明，使用該錐形空芯波導耦合器能夠顯著提高空芯波導的激光傳輸性能。 -
The definition of dark hollow beam ( dhb ) and its generation are introduced in this thesis. at the same time, the principle, methods and experimental progress of atomic guiding in hollow optical fibers, blue - detuned evanescent wave and dark hollow beams are reviewed in some detail. finally, the basic definition of the angular momentums of all kinds of the hollow beams and their application are discussed
本文簡單介紹了中空光束的定義及其產生方法，同時綜述了採用中空光纖中紅失諧高斯模式、中空光纖中藍失諧消逝波和藍失諧暗中空光束實現原子導引的原理、方法和實驗及其最新進展，並對各類中空光束的角動量及其轉換和應用進行了詳細的介紹和討論。 -
To obtain light radar wave absorbing materials, the electroless nickel plating on hollow glass beads and mica was studied. after pretreatment of coarsing, sensitivzed, activation, and reduction, the hollow glass beads and mica powders were plated with nickel
研究了在空心微珠和雲母上的化學鍍鎳，嘗試在微珠上鍍鎳制備輕質雷達吸波材料，發現空心微珠壁太薄，經攪拌和加熱后破碎太多，但從形貌上看已經實現了表面化學鍍鎳。 -
Structure will be a kind of ductile structure with advanced seismic behavior. based on the tests of 25 elements of hollow shear wall r. c. structure and 16 hollow shear wall, we had accomplished pseudo - dynamic tests which employed el - centro wave with different input peak acceleration and pseudo - static test of 1 / 2. 8 scale model 10 - story building
在已完成了25個基本空心剪力墻試件和16個墻片的試驗基礎上，進行了空心剪力墻結構十層樓房1 2 . 8的模型擬動力、擬靜力試驗，擬動力實驗採用不同輸入峰值加速度的el - centro （ ns ）波。 -
The effect of the radius ratios of the hollow cylinder to the wave propagation is also discussed
還討論了壓電圓柱殼體半徑比對波傳播的影響。 -
Theory of one kind of slow wave system applicable to hollow electron beam
一種適用於空心電子束的慢波系統的理論 -
The wave propagation along axis direction in piezoelectric hollow cylinder is studied
對壓電圓柱殼體內波的軸向傳播進行了研究。 -
Solving wave propagation along axis direction in piezoelectric hollow cylinder by integral average method
用積分平均方法求解壓電圓柱殼內波的軸向傳播
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