氣體噴射 的英文怎麼說
中文拼音 [qìtǐpēnshè]
氣體噴射
英文
gas injection-
In a short time interval, a mass dm of gas is ejected from the rocket.
在很短的時間內,由火箭噴射氣體的質量為dmThe characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation
高壓旋噴注漿技術具有適用范圍、適用地層較廣,施工方便,耐久性好,材料廣闊等特點;其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基,從而提高地基承載力,減少沉降變形。Nuclear energy. measurement of environmental radioactivity - air. determination by liquid scintillation of the activity concentration of atmospheric tritium sampled by the sparging technique air through water
核能.環境放射性空氣的測量.利用噴射技術取樣的大氣氚的活度濃縮的液體閃爍的測定Beam type gas injection packing support plate
梁型氣體噴射式填料支承板Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle
試驗研究發現,氣體噴嘴位置對氣固噴射器的輸送能力影響最大,氣體噴嘴存在某一最佳位置,而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯;氣固噴射器的收縮角對其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高氣體噴嘴出口速度比擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口速度過高會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與氣固噴射器的氣體噴嘴出口速度的選取有關。The transportable powder series extinguishers are effective extinguishing appliances, in which extingshing agent sodium bicarbonate or ammonium phosphate powder together with the driving gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is advanced in technology, simple in structure, convenient in operation, maintenance and storage, safe and reliable
推車式乾粉系列滅火器是一種新型高效的滅火器材,它使用磷酸銨鹽或碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內,滅火時由氮氣驅動乾粉滅火劑噴射滅火,具有技術先進,結構簡單、操作方便、易於維修、便於保管,安全可靠等優點。The innovation is that a ring bar sprayed bubbling gas distributing device is installed at the bottom of the tower, which has novel effects of leveling off gas and decompressing, cooling and dust removal, highly effective absorption, hydraulic stiring and so on at the same time
其創新點是在塔的下部嵌入了一個環柵噴射鼓泡式進氣裝置,其新穎之處體現于:煙氣穩流減壓,冷卻除塵,高效吸收,氣力攪拌等功能可在環柵通道內一氣呵成。The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency
但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失,並且消耗冷卻空氣,從而損害渦輪的整體循環效率。Surprisingly, the results indicate that most of the energy released by the infalling gas goes, not into an outpouring of light as is observed in many active galactic nuclei, but into jets of high - energy particles
令人吃驚的是,結果表明,與大多數活動星系核不同,下落氣體釋放的大部分能量並沒有作為光輻射傾瀉而出,卻是注入到了高能粒子噴流中。Pressurized with nitrogen or carbon dioxide gas, the powders are expelled through a discahrge hose
施壓力于氮或一氧化碳氣體,乾粉將從管中噴射而出。Because the jets lie close to m106 ' s disk, the cocoon generates shock waves and heat the gas in the disk to millions of degrees, causing it to radiate brightly in x - rays and other wavelengths
由於噴流靠近m106的星系盤,繭狀結構會產生激波,將盤中的氣體加熱的幾百萬度,使其在x射線及其他波段上發出明亮的輻射。The inner fluid in the steam pump was discussed through theoretical study, the mathematic model on sucking was educed, and the extension of the model was in conformity to the experimental value of steam eject pump in actual practice
摘要主要對蒸汽噴射泵內流體進行理論研究,推導出了蒸汽噴射泵的抽氣數學模型,並給出了該模型與實際蒸汽噴射泵實驗值的符合范圍。Standard practice for measuring volatile organic matter in water by aqueous - injection gas chromatography
用水噴射氣體色層分離法測量水中的揮發性有機物質The basic principle of copper matte converting process is briefly introduced in this paper. the basic characteristics, control targets and affecting factors are analysed. spontaneous heating process, temperature field in lining and gas jetting phenomenon are studied
本文簡要介紹了銅鋶吹煉的基本原理,分析了銅鋶吹煉的基本特性、吹煉過程的控制目標及其影響因素,對自熱過程、爐襯溫度場、氣體噴射現象進行了解析,對造渣制度的優化進行了研究。Material is ejected into the crushing chamber by means of high speed ejection flow formed by high - pressure air through charging ejector, and the crushing nozzles outside ejects high - speed airflow into the crushing chamber at certain direction, making the materials severely collided and fractionated, and thus crushed
該機是靠高壓氣體通過加料噴射器所形成的高速射流,使粉碎原料被射入料碎室,粉碎室外圍的粉碎噴嘴,有方向性的向粉碎室噴射高速氣流,使物料間產生激烈的碰撞,磨擦而獲得粉碎。This paper analyzes the forming principle, effecting factors and controlling measures of poisonous gas of exhaust emission from petrol engine for vehicle fully and accurately. after the comparison on the emission control measures, it is clear that there is a trade - off relation between emission control and power, torque, fuel consumption of engine. " efi + catalytic converter " is a integration measure of in - engine and out - engine, which is a mainstream technology of emission control for petrol engine for vehicle
本文通過大量的文獻閱讀,翔實的分析了車用汽油機排氣中有害氣體成分的產生機理、影響生成的主要因素、治理排氣污染物的主要技術措施,指出這些措施與發動機的其他性能(如動力性、經濟性等)的一種折中關系,只有「電控噴射+排氣催化轉化」是一種機內與機外相結合的措施,是控制車用汽油機排放的主流技術。At the same time, we improved a two - stroke fueled engine 1e40fm into the one also using the direct injection of liquid petrol gas. the electronic control system is developed whose core is m68hc11 single - chip computer which is produced by motorola ltd., and matched by other electronically - controlled circuits
開發了以motorola公司生產的8位增強單片機m68hc11為核心,配以相應的外部電路構成摩托車發動機單片機控制系統,並以一臺二沖程1e40fm型化油器式汽油機為對象,將其改造為汽油、電控氣體噴射兩用發動機。The influences of the inlet tube angle, backpressure and driving jet velocity on static pressure distribution in the gas - solid injector are calculated, and the effects of the inlet tube angle on particle bulk phase concentration and axial mean speed of particles in the gas - solid injector are analyzed firstly. the predicament caused by lack of measuring means on the particle velocity in experiments is solved
分析了收縮角、背壓和氣體噴嘴出口速度對氣固噴射器內靜壓分佈的影響,以及收縮角對氣固噴射器內固體顆粒體積濃度場和顆粒平均速度的影響,解決了噴射器內固體顆粒速度試驗測試手段缺乏的困境。The following are the main contents : 1. based on the one dimensional performance analyzing and structure designing method and the achievement of the dalian university of technology, a package of software for the performance predicting and structure designing was made
本文主要研究內容如下: ( 1 )在對一維氣體噴射器性能計算和結構設計方法進行分析和改進的基礎上,綜合大連理工大學多年研究成果,編制多種工質的氣體噴射器設計和性能分析軟體。分享友人