穩恆流 的英文怎麼說
中文拼音 [wěnhéngliú]
穩恆流
英文
constant-current-
This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation
應用流體力學理論結合碼頭結構建設,分析了地下水排泄過程,藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法;運用質量守恆定律和地下水滲流原理,建立了港口碼頭排水計算數學模型和排水過程計算公式,並用在了碼頭的穩定設計計算中。Fourthly, according with the analyzing of flow measurement, we research the main problems needed to be solve in the process of measurement, such as analysis and measurement of the internal resistance, selection of excitation frequency, stable signal datum mark and restraining common mode interference, restraining for serial mode interference and working frequency interference ; transporting and shielding the flow signal, constant current excitation and magnetic field equalizing, flow measuring
第四,根據對流量測量問題分析的,深入研究了設計過程中需要解決的主要問題。如內阻分析與測量;勵磁頻率的選擇;穩定信號基準點與抑制共模干擾;串模干擾與工頻干擾抑制;流量信號傳輸與屏蔽;恆流勵磁與磁場補償;流量測量點的選擇等。In steady flow, mass flux is constant.
在穩定流動中,質量通量是恆定不變的。For an incompressible fluid in steady flow, the equation takes the following form.
對于不可壓縮流體作穩恆流動的連續性方程有如下形式。And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme
最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散,並將數值模擬結果和saurel的hll格式模擬結果進行了比較,發現:在兩相流數值模擬過程中,相對來說hllc格式對激波的解析度最高,結果最穩定,避免了hll格式在間斷處的非物理性數值振蕩。The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch
在大功率恆流充電技術上,成功的應用了交流調壓式恆流技術,可以在8s內讓電容器儲存25kj的能量;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關,使用雙觸發電路,研製出了低抖動、快前沿的高壓脈沖發生器(點火機) ;採用單片機和pld ,研製出了精度為10ns的延時同步機。This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power
本文深入分析了半導體激光電源的工作原理,根據準連續工作方式下的特殊要求,論證了電源的主要環節的可行性方案,設計了相應的硬體電路與軟體程序, (實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。For aspecial example, the steady current was analyzed for circular section of straight conductor, then the distribution of the current, charge and field quantity were discussed
通過分析載流圓截面直導線中穩恆電流這一特例,討論了電流、電荷與場量的分佈問題。Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology
半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點,近年來得到迅速發展,並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求,並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了脈沖半導體激光電源。The difference between electrostatic field and electric field in the steady direct current
靜電場和穩恆電流場的異同The problems of steady current in conductors were discussed when the intrinsic hall electric field existed at the inside of the conductors
摘要本文討論了導體內部自生霍爾電場存在時導體中穩恆電流的問題。Plane diffraction grating, logarithmic amplifier and stable constant - current source are used in the system, thus the performance of the instrument is enhanced significantly and the cost is reduced
系統採用了平面衍射光柵、專用陣列探測器、對數放大器以及高穩定恆流源,有效地提高了儀器的整體性能,同時降低了生化分析儀的成本。The particle - enriched zone moves outwards as the rotational rate increases. by employing steady dc magnetic field to the conventional centrifugal casting method, the distribution of particles is changed. the most uniform distribution is obtained when the magnetic density is 0. 15t
通過向常規的離心鑄造中引入穩恆直流電磁場,基體中的顆粒分佈得到改善,磁感應強度為0 . 15t時,顆粒的分佈最為均勻,磁感應強度過大時,磁場將會引起基體組織粗化。For the driving form, this system designs high - stability bipolar constant current source which can continuously be adjusted by voltage. this constant current source can offer drive magnetic field for the actuator
對于驅動形式,本文採用了恆流源驅動,設計了高穩定度的壓控連續可調型雙向恆流源作為驅動器的輸入來提供驅動磁場。Applied constant keeper can enable the microorganism to continuously culture in double periods of “ constant flowing method speed ”. ? it has a process as such : according to the multiplying speed that the bacteria cultures in double growing periods, and the speed that it consumes the nutritious material, fresh culturing liquid is continuously added. ? at the same time, the same amount of well - cultured bacteria liquid is continuously drawn out, so that the next two items are kept relatively constant : the added material and the consuming material ; the amount that the bacteria have multiplied and that has been drawn out
應用恆化器,能使微生物以對數期「恆流法速度」連續培養,即根據菌種在對數生長期繁殖的速度和消耗營養物質的速度,不斷加入新鮮培養液,同時不斷抽出等量培養好的菌液,使加入物與消耗物、細胞繁殖量與細胞物質抽出量,保持相對穩定均恆。Abstract : a design method of using gal to make a constant current source is introduced , proving a new method of current stabilization by means of driving regulated transformer by a controlling device. experimental results are given to demonstrate effectiveness of the method
文摘:主要介紹以可編程門陣列器件構成恆流源核心控制電路的設計思路,通過機電自控裝置驅動可調變壓器實現新的穩流方法,實驗證明這一方法是可行的。Applied dedicated thick diaphragm and high - power integrated circuit to have high precision on voltage stability and constant current output
採用專用的厚膜大功率集成電路,具高精度的穩壓及恆流輸出特牲。Adopted dedicated thick diaphragm and high - power integrated circuit to have high precision on voltage stability and constant current output
採用專用的厚膜大功率集成電路,具高精度的穩壓及恆流輸出特牲。The paper describes a cw, non - cooling, digital all - solid - stated ld pumped nd : yvo4 driver which adopts microprocessor control, stability power of laser feedback and laser output power about 10mw. the system is composed of constant current source, soft diagram, protection, pulse schematic and laser power feedback loop. by combining appropriate hardware and software, we achieved, in our driver, a variety of protection features including the ability to suppress transients and reduce noise, relay soft and hardware over - current protection and overvoltage shut - off, we have obtained a continuously adjustable laser power output with high accuracy and stability
介紹一種採用單片機控制的連續運轉無製冷、數字式光反饋穩功率全固態激光器驅動電源,其輸出激光功率在10mw左右,系統包括恆流源、保護電路、脈沖驅動控制、光反饋穩功率控制等部分,結合硬體及軟體實現了激光二極體的可靠保護以及光功率穩定、準確輸出及在穩光輸出情況下,實現激光器的內外調制,並取得了一些有價值的研究成果。Constant current stabilizer
恆流穩壓器分享友人