high boost 中文意思是什麼
high boost
解釋
高頻提升-
In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer
試驗分析認為，氣液混輸工況下，提高泵轉速可以提高增壓，在一定程度上能改善多相泵的工作性能；含氣率一定時，增加進口壓力，可使多相泵增壓值增大，泵效明顯增加，最大含氣率點后移，但含氣率很高時，存在氣液壓力相匹配問題；改進緩沖罐和均化器的設計，有利於氣液互相夾帶，避免氣囊產生，可改善多相泵的輸送性能。 -
Gold got a boost from the weaker tone of the dollar, and the precious metal rose to within striking distance of the 24 ? - year high of $ 540. 90 recorded in december
黃金價格因美元匯率走軟而上漲，距去年12月份創下540 . 90美元的24年半高點僅咫尺之遙。 -
With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced
近年來，隨著電力電子技術與器件的迅速發展，使用dc dc高頻變換技術代替工頻升壓，系統具有較高的功率密度與轉換效率，裝置體積、重量與交流噪聲大大減小。 -
How to vary the two variable quantity of the buck - boost basic circuit on the high frequency switching and whether or not their varying laws are fit for their theoretical conclusion
高頻開關下的buck - boost電路中各個變量的動態變化如何，其變化規律是否與理論上的推導一致。 -
Two circuits, characterized by high power factor and low output voltage, are proposed. one is originated from the concept of charge pump, and the other functions in the same principle with so - called buck - boost circuits
最後提出了兩種功率因數校正的電路拓撲：一種是由電荷泵原理引出的；另一種是基於buck - boost原理工作的電路。 -
Improve the management level of coscon, meet the increasing demands in the capital market ; enhance the professional business ability, strengthen and develop the global container shipping network ; implement active sales policy ; solidify, penetrate and extend effective market ; equally develop fleet management and managing fleet, route extension and reduction ; build effective customer service system, win the market by “ high quality ” service ; bring the advantage of alliance cooperation into full play, improve the profit - making ability ; strengthen the use of information system, boost “ digital ” development ; implement the strategy of “ talent for strong business ”, train responsible company and responsible staff ; establish a complete financial and accounting system of capital operation to improve the level of financial management ; optimize the domestic and overseas management pattern, form a resultant force of the global container shipping network ; expand the scale of shipping capacity, enhance the company ' s competitive edge ; finish the transformation from sheer production operation to the double operations of capital and production, maintain the sound and stable development of business
提高公司管治水平，滿足不斷提升的資本市場要求；增強專業化經營能力，鞏固發展全球集裝箱網路化運輸；實行積極營銷政策，鞏固、滲透和拓展有效市場；實現船隊經營與經營船隊並舉及航線擴張與退出並舉；構築有效的客戶服務體系，以「高品質」服務贏得市場；發揮聯盟合作優勢，提高盈利能力；堅持強化運用信息系統，催生「數字化」 ；實施「人才強業」戰略，打造責任公司、責任員工；建立完善資本經營財會體系，提高財務管理水平；完善海內外管理模式，形成全球集裝箱運輸營銷網路的合力；擴大公司運力規模、增強公司競爭實力；完成由單純的生產經營向資本經營和生產經營並舉的轉變，實現公司業務的健康、穩健發展。 -
Contains high levels of minerals and trace elements ( magnesium, sodium, potassium and chlorures ), can maintain skin ' s hydration and elasticity level ; boost skin ' s immunity and aid in detox process
含大量礦物質和微量元素（鎂、鈉、鉀） ，能補充大量水份，增加皮膚彈力和光澤，強化修復功能和免疫力；並可去浮腫，幫助排除毒素。 -
These efforts should continue to help boost consumer spending by reducing the excessively high savings rate
這些舉措將繼續降低過高的儲蓄率，促進居民消費。 -
These problems boost the study of high - k materials as the alternatives of sio2 gate dielectrics. among all high - k gate dielectric materials, hafnium oxide ( hfo2 ) is being extensively investigated as one of the most promising candidate materials due to its superior thermal stability with poly - si, biggish constant and reasonable band alignment. our researches focus on hfo2 dielectrics
高k柵介質材料已經被廣泛地研究來替代sio _ 2 ，以降低柵泄漏電流和改善可靠性，其中， hfo _ 2由於其較大的介電常數、較大的禁帶寬度、與si的導帶和價帶較大的偏置、以及與si的高的熱力學穩定性等特徵，被認為是最有希望的替代sio _ 2的柵介質材料之一。 -
Our manufacturing sector and entrepot trade are to be steered from their current regional operations towards the global market. to do so, we need to further raise the educational level of the population, boost high - tech industries, and enhance the productivity of our workforce by upgrading it with new skills. not only must we improve the quality and packaging of our products, but we have to develop new and better brands and models to meet the fierce competition on a worldwide scale
我們的製造業和轉口貿易，要從原有狹窄的區域開辟世界性的市場，就必須加強提高教育水平，尤其注重數理化高科技學科的進度培訓非技術年輕工人掌握生產技能，提高生產力，各種產品的質地包裝品牌等須改善，在競爭白熱化的世界市場，爭取銷售佳績。 -
Because a hybrid ' s battery and motor can provide the boost required for acceleration or hill climbing, engineers can both downsize the car ' s engine and optimize it to run only at high - efficiency operating points that burn much less gas
由於混合車的電池和馬達可提供加速或爬坡所需的額外馬力，因此工程師可以縮小引擎，設計讓引擎只在耗油率最低的高效率運作點附近運轉。 -
Richard perks, mintel director of retail research, said an upturn in consumer confidence would boost retail sales this christmas. but he warned : " this christmas is set to be a tough one for high street retailers - tesco on the one hand and internet retailers on the other will take the majority of the growth and the high street is going to be squeezed in between.
但他同時警告說： 「對于那些繁華商業街上的零售商們來說，今年聖誕註定會是一段很難熬的日子，一端是像tesco這樣的大型連鎖超市，而另一端則是網上零售商，這兩者將會占據新增零售額的絕大部分，而傳統商業街則會處于腹背受敵的窘境中。 」 -
The results show that setting matrix and geometrical transformation as a selected topic at senior high schools is not only necessary but also feasible. this topic meets the characteristics of students in senior high schools, and can satisfy their development. the results also show that matrix and geometrical transformation can broaden span of view, boost up study interesting, promote development of capability, enhance self - confidence, and build up the ideal and skills of using mathematics finally, several suggestions about the compiling work of new teaching materials and teaching work in practice under new standard were given
其次，本研究進行了「矩陣與幾何變換」這一選修專題的試驗班教學，對所做教學設計的科學性、所編寫教學材料的有效性與適應性進行了實踐檢驗，結果表明，在高中數學課程中開設矩陣與幾何變換這一選修專題不僅必要而且可行；矩陣與幾何變換這一選修專題的知識既符合學生全面發展的需要，又符合學生的學習特點；發現矩陣與幾何變換對學生全面發展所具有的促進作用主要有：能開闊學生視野，增強學習興趣，增加數學學習的信心，促進學生辯證思維能力的發展，有利於培養學生自覺應用數學的意識與能力等。 -
High frequency switching technique is becoming more popular in the power electronics area, the high frequency power transistors are applied in the buck - boost type chopper system. the characteristics of power mosfet and insulated gate bipolar transistors ( igbt ), some new kinds of power swithing devices, are deeply studied
高頻開關技術是當今電力電子技術發展的方向，本文研究的buck - boost斬波系統中採用了高頻功率器件，所以本文對新型開關器件? ?功率mos場效應管[ mosfet ]和絕緣門極晶體管[ igbt ]的特性進行了初步研究。 -
With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency
本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。 -
Nowadays high - techs and its industrialization have become one of the important force to boost the economy growth, as well as the main index to decide the integrative competition of a country or territory. under such a background, we firstly introduced the actuality, problems of guangzhou ' s high - tech industry and economy growth theory. on the next stage, we applied cob - douglus production function, took guangzhou city as an example, came out the multi - varible regression model exercising modern econometrics, systematically investigated the relationship between high - techs and gross domestic production ( gdp ), and scientifically analyzed the impacts of high - techs to economy growth
當今，高新技術及其產業化發展已經成為推動經濟增長的重要力量，成為決定一個國家和地區綜合競爭實力的重要指標，在這種大背景下，本文首先對目前廣州市高新技術產業的現狀、問題以及經濟增長理論作了較為全面的介紹，然後運用cob ? douglas生產函數，以廣州市為實例，運用現代計量經濟學的研究方法給出了多元回歸模型，對高新技術與國內生產總值（ gdp ）的相關關系進行了較為系統的考察，科學的分析了高新技術對經濟增長的影響。 -
Alginate is high in fibre, so it can boost the fibre content of foods
藻酸鹽中含有大量纖維，能夠增加食物中纖維的含量。 -
With high output power, di7210 achieves a dynamic boost in productivity
Di7210所備有的強大輸出功能，大大提升生產力。 -
Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd
測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ，由它對超聲波回波脈沖進行ad采樣后，計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ，由它對收發組件輸出的多普勒回波進行采樣，計算出目標運動速度后，送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ，並且在液晶顯示器上顯示速度信息。 -
The whole high power switch supply have four bidirectional dc / dc converters which are parallel connection. the theory of phase - shifted full - bridge zvs pwm dc / dc converter and the theory of push - pull boost converter are introduced. the methods of realize zvs ( zero voltage switching ) is studied in detail
文中介紹了移相全橋式軟開關變換及推挽式dc dcboost變換的工作原理，分析了移相全橋zvs的實現和占空比的丟失，並設計了各自的控制電路和保護電路。
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