聚焦環 的英文怎麼說
中文拼音 [jùjiāohuán]
聚焦環
英文
focus ring-
Focusing on university ' s internal academic ecologica1 pattern, we shou1d be aware it is remarkab1y important to explore the bases. principles and tactics of interna1 academic eco1ogica1 environment which is the theoretica1 base of instructing hov to construct and deve1op it
當我們聚焦于大學內部學術生態系統時，對優化大學內部學術生態環境的依據、原則和策略的研究，顯得尤為重要，它是指導建設和發展大學學術生態環境的理論基礎。The purposes of the present study were to investigate ( 1 ) the hemodynamic effects of agmatine in anaesthetized dahl salt - sensitive ( ds ) hypertensive and dahl salt - resistant ( dr ) rats ; ( 2 ) the effect of agmatine on vascular tension in the isolated aortic artery of rats and the underlying receptor mechanism ; ( 3 ) the effects of local injection of agmatine on femoral, renal, and mesenteric vascular beds by constant flow perfusion method ; ( 4 ) the effect of agmatine on l - type calcium current ( / ca - t ) in rat ventricular myocytes with whole - cell configuration of the patch - clamp technique ; ( 5 ) the effects of agmatine on free intracellular calcium concentration ( ca2 + d of isolated rat ventricular myocytes
（ 3 ）採用後肢、腎臟和腸系膜動脈在體恆流灌注法，觀察向灌流環路中直接注射胍丁胺的血管效應。 （ 4 ）應用全細胞膜片箝技術，觀察胍丁胺對大鼠心室肌細胞l -型鈣通道電流（ i _ （ ca - l ） ）的影響。 （ 5 ）用fluo3 - am負載分離的大鼠心室肌細胞后，由激光共聚焦法測定單個心室肌細胞[ ca ~ （ 2 + ） ] _ i的熒光強度，觀察胍丁胺對分離大鼠心室肌細胞內游離鈣濃度（ [ ca ~ （ 2 + ） ] _ i ）的影響。It ' s a two - components, polyamide cured epoxy coal tar coating. film fades in aliphatic solvents
雙組份聚酰胺固化的環氧煤焦油塗料。在脂肪族溶劑中漆膜會引起褪色。The main results of this thesis can be summarized as follows : 1. based on the huygens - fresnel principle, we have derived the propagation expressions of the partially coherent beams passing through an annular lens optical system. the influence of the spectral degree of coherence, fresnel number and truncated parameter on the focused intensity distribution and focal shift is analyzed
主要工作包括: 1 .從惠更斯-菲涅耳原理出發，推導了部分相干光束通過環形透鏡系統的傳輸公式，分析了空間相干度、菲涅耳數、攔截系數對系統中光束的聚焦光強和焦移的影響。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。2. we design a configuration of frequency - doubler according to the optimum focus condition and the cavity stability condition | a + d | < 2 and optimize it based on " mode - matching " and " optimum coupling ". 99. 96 % of optical impedance - match efficiency and over 95 % of spatial mode - matching efficiency are achieved eventually by using t = 10 % of input coupler in our experiment
（ 2 ）根據最佳聚焦條件和腔的穩定性條件（ | a + d | 2 ）對四鏡環型倍頻腔進行了設計，並分別從「模式匹配」和「最佳輸入耦合鏡透射率的選擇」兩方面著手對腔進行優化，在我們的實驗中採用10的輸入耦合鏡，獲得阻抗匹配效率為99 . 96 ，空間模式匹配效率高於95以上的模式。The experimental results were showed that polyurethane ( pu ) coating and tar - epoxy ( ep ) coating had excellent anti - corrosive and physics - mechanical property, and both two paints were suitable to protect the concrete sewage pipe
測試結果表明，聚氨酯類型和焦油環氧類型的塗料具有優異的耐腐蝕性能和物理機械性能，適合作為合流污水環境中混凝土管道的保護塗層。3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題，提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡，對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦，直接實現和光纖耦合，來代替聚焦透鏡和光纖耦合的環節。Standard practice for mechanized ultrasonic examination of girth welds using zonal discrimination with focused search units
用與聚焦探尋裝置的帶狀差別進行環縫焊接的機械超聲檢驗的標準操作規程Numerical investigation of detonation direct initiation induced by toroidal shock wave focusing
用環形激波聚焦實現爆轟波直接起爆的數值模擬As object of exemplification studying. and the suggestions of hengtai ' s taking the stratagem of low - cost - focus are certain on the bases of analyses its present situation of supply chain. at the same time, the plan of supply chain management of hengtai, including concatenation plan, management of vender pal and tpl plan, was set up so as to cut down the cost of hengtai from the aspects of provider - seller, producer - vendor and logistics
本文以楊凌亨泰綠色高科有限公司為實證研究對象，在分析了其供應鏈現狀的基礎上，確定了企業採用低成本聚焦戰略的基本思路，同時設計了包括加盟連鎖、供應商管理和第三方物流子方案在內的楊凌亨泰低成本運營管理方案，力圖在生產商-經銷商、供應商-生產商、物流三個環節上降低企業的成本。In the case analysis of " " focusing on taihu lake and acting from zero ground ", we find that the effect of such an action called on by the government was greatly watered down, due to the " high power " status of administrative enforcement of law. the popularity of regional protectionism, the negative impact of " administrative managing of economy " and also the shortcoming of the current environmental protection law itself
在對「聚焦太湖，零點行動」實證分析中，我們可以發現由於行政執法的「高權」狀態、由於地方保護主義的盛行、由於「經濟行政」的惡劣影響，當然還有我國當前環境保護法律制度設計的不足，讓這樣一次政府的集中執法行動在效果上打了很大的折扣。In chapter 3, by using theoretic analysis the focusing properties of an ideal annular beam is demonstrated. the intensity distribution near the focal point is given explicitly to show the influence of the ratio of inner to outer radius
第三章，從理想的環形光束出發，先在理論上分析了環形聚焦光束在焦點附近的光強分佈情況和光束內外徑之比（占空比）對聚焦性質的影響。A practical soft - edge annular beam is also studied numerically and the similar properties are obtained t6 confirm our analysis
然後利用數值模擬的手段，研究了帶軟化因子的環形光束的聚焦性質，從而在整體上給出了環形光束的聚焦性質。Time reversal is a unique self - focusing technique for spatial and temporal focusing of sound in unknown environments
摘要時反法是一種新穎的自適應聚焦技術，它可以使聲信號在未知環境下實現時空聚焦。Discussions and preliminary experiments are given for some potential applications of left - handed materials. experimental results which are in accordance with expects for the focusing of plane wave using symmetric rings and the focusing of radiate source using rings are obtained. simulation results are also obtained concerning the - like structure based backward radiate antenna and transmission line based left - handed structures
對稱環結構異向介質凹透鏡的平面波聚焦、結構異向介質的點源會聚等實驗都得到了和預期接近的初步結果；對基於結構全固態異向介質後向波介質天線微波異向介質的實驗研究和基於微帶電路結構單元的異向介質進行了計算機模擬研究，也取得了較好的結果。The focusing properties of an annular beam are demonstrated, which give guidance for some design in icf driver structure. 4
給出了環形光束聚焦特性分析，對于icf中「同軸型」雙程放大光路布局設計檢驗有著理論上的指導意義； 4In order to obtain an optimal estimate of the tilt angle and angle velocity, an indirect kalman filter configuration combining a rate gyroscope sensor and an accelerometer is implemented. because of the extreme nonlinearity of the two - wheeled self - balancing robot, application feasibility of nonlinear system control strategy based on linear approximation method, exact linearization and intelligent control have been investigated. according to robustness, balancing performance and environment adaptability, robust tracking control, linear quadratic regulator and fuzzy model reference learning control are implemented to the velocity controller
針對具有強非線性的前進子系統，論證了基於近似線性化、精確線性化及智能控制的非線性系統控制策略的應用可行性，據此按照不同性能要求設計了三種前進速度控制器:漸近跟蹤魯棒調節器簡單精確，具有良好的干擾抑制能力;二次型最優跟蹤控制器，在耗能最小的條件下，大大提高系統的平衡能力;而基於動態聚焦學習的模糊模型參考學習控制則兼具平衡性能好、環境適應性強、精度高及魯棒性好的優點。In april of 1999, my tutor met the question that spherical conformation created sound focusing when he reconstructed the acoustics design of multi - function hall of wulingye in yibin
1999年4月，我的導師在改造宜賓五浪液酒廠多功能廳建聲環境時遇到了球形構造聲聚焦問題。Is a special offer of cyberspace villa. at first, it is an environment forum concerning environmental protection issues and especially solid waste management in beijing, other global environmental issues also have their due attention here
是星空網驛的特別奉獻，是一個關注環境與發展，環境、資源保護的環境保護論壇，特別聚焦固體廢物管理、垃圾問題。分享友人