激波超壓 的英文怎麼說
中文拼音 [jībōchāoyā]
激波超壓
英文
shock overpressure-
Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。Laser, ultrasonic beam and microwave are used in non contacting level measuring systems. laser systems suffer from dirt, ultrasonic sensors are strongly affected by changes of the velocity of sound and usually a pipe is needed to couple the ultrasonic waves into the liquid tank, which is difficult when there is a high pressure or when explosion protection is necessary
壓力式液位測量系統原理簡單、成本低,但測量精度和應用場合有一定的局限性,超聲液位儀精度較高,但設備復雜,一般需要用導管將超聲波傳到被測的液體中,因而安裝維護較麻煩,激光測距系統對環境要求嚴格。Strait jewelry is specialized in the production of clothing ingredients, xionghua, shoes, flowers, hand application list flowers, the application list hand clothes, lace, beads movies and dolls, gold flocking, made jewelry and braided, belts, drawing beads, all wearing jewelry, the application of clothing, shoes, and hats, leather decorative supplies, the production of major equipment flocking machinery, ultrasonic embossed, laser engraving, special printing, transfer flocking clothing and other supplies products processing sector
海發飾品是專業生產服裝配料、胸花、鞋花、手勾花、手勾衣服、花邊、珠片、公仔、金粉植絨、發飾、辮子、皮帶、訂珠等、各種服裝飾品,適用各種鞋帽服裝皮具裝飾輔料,生產主要設備植絨機械、超聲波壓花、激光雕刻、特種印花、轉移植絨等服裝輔料加工製品機構。This paper begins with the calculation of the stator ' s resonance frequency, deals with the design and manufacture of motor, and puts forward dual nut structure of traveling wave revolving ultrasonic motor, and presents the analysis of the contract between rotor and stator in the manufacturing process, relation between the amplitude of voltage - ceremic chip and drive sources. the conclusion is that amplitude is affected by deviation of resonance frequency
同時分析了電動機的加工工藝,對超聲波電動機製造過程中功率與接觸角和振幅與驅動電源的關系進行了討論,得到了接觸角與輸出功率的關系曲線,以及超聲波電動機的振幅主要受電壓和激振頻率偏離定子環第2n階諧振頻率的偏離量確定。Ultrasonic motors are a new kind of solid actuators that come into being since 1980 ’ s, which use inverse piezoelectric effect of pzt to excite stator ’ s elliptical vibration and produce driving power by frictional coupling
超聲波馬達是上世紀80年代開始發展起來的一種新型驅動器,它是利用壓電陶瓷的逆壓電效應激勵出定子表面質點的橢圓軌跡振動,依靠摩擦耦合來實現驅動。Numerical simulatiom of the shock train structure in the supersonic diffuser
超聲速擴壓器中激波串結構的數值模擬The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented
討論在激波計算中的區域分解法,即在不同區域中應用不同網格及格式的耦合穩定性問題.先定出激波位置,再在激波附近小范圍內,用低階格式及人工壓縮方法以消除彌散效應.在激波區域外,應用高精度格式,減少了過超振蕩現象,提高了解析度.在各區域交界應用全能穩定聯接格式,解決了格式的耦合穩定問題.最後舉出數值計算實例,計算結果與理論分析符合Based on the analysis of the existing dedusting method of advanced coal - fired combined cycle, a new dedusting concept was proposed for the high temperature and high pressure dusty gases according to the theory that the flow direction of the gas but the dust in dusty supersonic gas flow changes and the gas velocity decreases after the dusty supersonic gas flow passes through the oblique shock
摘要在分析先進燃煤聯合循環現有除塵方式的基礎上,根據含塵超音速氣流穿過斜激波后,氣體流動方向將發生變化,而灰塵顆粒方向基本維持不變的事實,提出了一種高溫高壓氣體除塵的新概念。In recent several decades, ultrasonic phased arrays had been applied to many medical specialties and nondestructive evaluation ( nde ). an ultrasonic phased array consists of multiple elements which are usually cut or etched from a single piezoelectric plate of lead zirconate titinate ( pzt ). the element thickness determines the operating frequency of the transducer
近年來,隨著科學技術的飛速發展,超聲相控陣已廣泛的應用在醫學、無損檢測等方面,所謂相控陣,就是由多個壓電陶瓷片(陣元)按一定的分佈排列,然後逐次按欲先規定的延遲時間激發,就可以實現聲波的聚焦。分享友人