尾體組合 的英文怎麼說
中文拼音 [wěitǐzǔgě]
尾體組合
英文
tail board combination-
At present, a datum plane - conversion scheme is introduced in the sight system of active ground - to - ground missile. in this scheme the datum plane of sight system is transferred from inertia combination to missile terminal, and the angle of two datum planes is measured at the technical position
目前，常規導彈在瞄準中採用了基面轉換方案，將導彈瞄準基面由慣性組合轉換到彈體尾段，兩基面夾角在技術陣地測量。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有：廣州市河涌沉積物及底棲生物體內重金屬含量及評價；汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價；汞對劍尾魚鰓和肝臟中抗氧化系統的毒性，包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用；汞對劍尾魚組織生理毒性即：汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。Pre - clinical studies showed that needleless injected fluids follow the path of least resistance and does not pass into the substance of bone, media of blood vessels or into the fibre substance of the nerve trunks
臨床研究顯示，無針美槊療法所注入的液體不會滲入骨頭、血管或神經內，它會沿著最少抗體的路徑進入肌膚組織，並且加速皮膚細胞的新陳代謝，讓雞尾酒中胚層綜合物質更容易於肌膚所吸收。The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies, the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies. after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body, i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body. many cavity wake models, such as pressure recovery close model, riabouchinsky model and re - entrant jet model, are studied seriously
本文在深入研究了回轉體局部空化與超空化理論及實驗結果的基礎上，基於勢流理論，建立了回轉體局部空泡和超空泡流場的基本數學模型，通過對kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基於二維水翼提出的壓力恢復閉合模型、鏡像板模型和回射流模型等空泡尾流模型進行了逐一的研究分析，發現其中的壓力恢復閉合模型較適用於模擬回轉體空泡尾部流場，並選用此空泡尾流模型作為求解回轉體空化流場正問題與逆問題的數學模型的組成部分。Their maneuvering and control systems are made up of several propellers. this system has many disadvantages such as big volume, high consuming of energy, low total efficiency, high noise and vortex
它們使用的操縱和控制系統大多是由多個螺旋槳推進器組成的，這樣的系統體積大、重量大、能耗高、綜合效率低，並有較大的噪音和尾渦。On the basis of the result studied, three categories flaws easily turning up in the common whorl attachment are assayed by way of simulation. the result of experimental measurement verify all the conclusion from fem numerical simulation analysis 。 based on the study of the rationale of the ac - mfl, it primarily simulation studied the common whorl attachment in our country. the experimentation results go along with the simulation analysis
螺紋構件可以看作是柱體上緊挨的多條裂紋的組合，以上述內容為基礎，以ansys模擬軟體為手段對普通螺紋構件中極易出現的三種裂紋情況（螺桿接合部的缺陷，螺紋區的缺陷，螺紋尾部的缺陷）進行了建模模擬，得出了三種不同情況下磁場分佈特徵，實驗驗證了模擬分析的正確性。Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft
本文以滑流干擾的機理為出發點，研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響，推導出滑流引起的飛機升力、阻力和俯仰力矩的變化，給出了滑流干擾對機體氣動特性影響的工程估算方法，為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具，為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。In chapter two, using the hydrodynamical equations for electrons and maxwell equation and through complicated calculation, we finally obtain a set of equations which describe the non - steady and nonlinear interactions between plasma and field in the wake region of a moving body in space
第二章是從描述電子的磁流體方程和麥克斯韋方程出發，通過計算，最後得到了一組在考慮非靜態極限下描述空間飛行器遠尾區內等離子體與場之間的非穩態非線性相互作用耦合方程。A series of validation experiments and genetic studies should be performed for the y - str multiplex system according to the suggestion of the technical work group dna analysis methods ( twgdam ). method we selected four y - str loci, dys434, dys438, dys439, a10 ( y - gata - a10 ) and designed two set of tailed primers to improve the efficiency of the multiplex pcr
方法選定四個y染色體str基因座，應用加尾序列引物設計策略設計的引物，構建四個基因座的y - str復合擴增體系，建立銀染檢測和熒光檢測方法，依據dna分析技術工作組（ twgdam ）指南進行法醫學可行性研究和群體遺傳研究。It is concluded that " green fluorescent protein gene has been integrated and expressed in at least 2 transgenic fish, it is also showed that foreign gene integrating positions and copy numbers are differ in different individuals
對于基因組上整合有gfp基因的2尾轉化個體， gfp基因在基因組上的整合位點和拷貝數並不相同，說明gfp基因作為外源基因在轉基因個體上的整合位點和拷貝數是非確定性的。Abstract : in view of the general phenomena of insufficient resource utilization and inefficient unit operation, an optimal method of power plant economic operation which is fit for the operation characteristic of the small hydropower station has been presented in this paper. on the basis of actual power features of units, this method avoid errors for curve transformation and imitation as well as bring the indefinite factor arising from different combination way of diversion and tail - race system of hydropower station. it makes the calculation result more accurate and reliable. proved by practical application of the hydropower station, this method not only improves the technique content of hydropower station manage, but also promotes clearly economic benefit
文摘:針對目前已建成的小型水電站資源利用不充分，機組總體效率較低的現象，提出了一種適合小型水電站運行特點的廠內經濟運行優化方法，該方法以機組的實際動力特性為依據，既避免了由於曲線轉換和擬合帶來的誤差，又可以將電站引水系統和尾水系統由於不同組合方式所出現的不確定因素納入優化設計之中，使計算結果更加準確可靠.經實際電站的應用表明，該方法不僅可以提高電站管理的技術含量，而且使電站的經濟效益有明顯的提高分享友人