有效工作壽命 的英文怎麼說
中文拼音 [yǒuxiàogōngzuòshòumìng]
有效工作壽命
英文
useful working life-
This machine adopts the piston to measure, collect the electromechanics, pneumatic in an organic whole, controlled by plc, the structure is compact, designs rationally, pour into accurately, operate the characteristic such as being reliable, work and with high efficiency, longe - lived steadily
該機採用活塞計量，集機電、氣動於一體，由plc控制，結構緊湊，設計合理，具有灌裝精確，運行穩定可靠、工作效率高、壽命長等特點。B87c breaker is a pneumatic instrument manufactured with the mature technology of america gardener denver corporation. it is more powerful in breaking ferroconcrete, rocks and asphalt. boasting greater efficiency and durability, it suits the requirements of breaking outsized, super - thick and hard objects. it is ideal machinery for the substructural construction of mines, bridges, roads and civil infrastructure
B87c破碎機採用美國迦納德?丹佛氣動集團公司成熟技術，是以壓縮空氣為動力的破碎工具，能高效完成鋼筋混凝土、巖石、瀝青等破碎工作，具有馬力更大、效率更高、壽命更長等特點，特別適宜對特大、特厚、特堅硬物體的破碎作業，是礦山、橋梁、道路、市政建設等基礎工程施工的理想工具。Ahm oscillating ply series is made of imported superior stainless steel, the radiation ares of oscillating box is processed in particular, and withour any effect for sonic result, the longevity of the box can be prolonged over 50 %. the product can be used widely in pre and after processing operation for electric plating, imbruing and lacquer covering with the advantage of operating conveniently and cleaning completing and without collision between parts so on
振板系列產品振盒採用進口優質不銹鋼板製作，振盒幅射面經過特殊處理，在不影響超聲效果的情況下，振盒壽命增加50以上，產品廣泛應用於電鍍、塗裝、電泳、噴漆等工藝的前處理和后處理工序，具有操作方便、清洗徹底、工件之間無碰撞等優點。The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser
大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。With the massive technological upgrading and industrial upgrading, and mainframe users of the products bearing accuracy, performance, life and diversification of higher demand for the bearing industry to bring tremendous market potential, the current exhibition " in a professional, exchanges and cooperation, " as the theme, in conjunction with the " chongqing industrial development forum ", in western china to build brand event through new products, new technology exchange and display, for the industry to provide direct and effective enterprise business platform enhance enterprises with customers face - to - face exchanges and cooperation and promote the common western manufacturing development
隨著大規模的技術更新和產業升級，主機用戶對軸承產品的精度性能壽命及多樣化提出了更高的要求，為軸承行業帶來巨大的市場發展潛力，本屆展會以「專業交流合作」為主旨，結合「重慶工業發展論壇」 ，致力於打造中國西部的品牌盛會，通過新產品新技術的交流和展示，為業內企業提供直接有效的商務平臺，增強企業與客戶之間面對面的交流合作，促進西部製造業的共同發展。But the life time of krf laser medium is only 2 ns while the pump time of e - beam pump krf laser is over 100 ns. when a 1 ps ultrashort pulse amplified by krf laser amplifier most pump energy is waste. technology of multi pulse amplify can solve this problem
Krf激光器的工作介質是非儲能介質，上能態有效壽命約為2 - 3ns ，而電子束的泵浦時間一般為上百ns ，放大超短脈沖激光時絕大部分上能態的儲能沒有被利用。In the whole process of an engineering investment project, there must be various kinds of unstable factors that can take the positive or negative effect upon the project, but the final result is come into being by all these unstable factors. in order to ensure the real benefit, it is absolutely necessary that objective and re asonable analysis and evaluation of the risk be made and corresponding measures be taken. there is very important practical significance to improve the economy benefit of construction project investment in our country
在一個工程投資項目的全壽命周期過程中，會出現各種不確定性，每個不確定性都會對項目發生影響，但最後的影響結果是由這些不確定性共同作用而產生的，為了確保建設項目的實際收益能力，事先對其風險進行客觀、合理的分析與評價，並採取相應的措施是完全必要的，這對于改善我國建設項目投資的經濟效益具有十分重要的現實意義。Its engineers are able to create the most effective solutions to meet the constant challenge of innovative compact design delivering extended operation and competitive whole life costs through efficient planned maintenance and parts management
德事隆的工程師們通過有計劃地進行有效維護及零部件管理，能夠制定出最有效的解決方案以延長運作壽命，並獲得有競爭力的終身成本，迎接革新緊湊設計帶來的不斷挑戰。All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser
激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點，特別是採用環行諧振腔內加光學單向器構成的單頻激光器，由於頻率穩定，使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍，綠，紅外激光器進行了一系列實驗研究工作。With the acceleration of extinction of species, biodiversity conservation is extensively concerned. the extinction of species is concerned with the degree of threat by biotic and abiotic factors. so, taking action to preserve plant species is very necessary and paramount before their extinction. one of the most effective biological techniques to conserve the biodiversity is the establishment of genebanks, i. e. ex situ conservation. the elucidation of various factors that regulate seed viability and vigor in storage is essential. an ideal condition to prolong the longevity is mainly depended on seed water content, temperature, humidity and types of containers used during storage. the optimum stage of seed maturity, harvesting techniques and processing, in addition to physiological features such as degree of dormancy, also play key roles in seed storage. certainly, desiccated seeds deteriorate with time even under extremely good genebanking conditions. according to seed storage behavior, it is necessary to consider three principal factors : storage environment, storage duration and plant species which will affect seed survival under good genebanking conditions. the present review is an attempt to discuss the importance of the aforementioned aspects of seeds in detail in order to conserve plant germplasms ( especially wild rare and endangered plants ) for ex situ conservation through seed - gene bank
一個物種的滅絕是與其受生物因子和非生物因子的威脅程度相關的.隨著物種的加速絕滅，保護生物多樣性受到廣泛地關注.保護生物多樣性的最有效的生物技術之一是建立種子基因庫，進行遷地保護.種子庫理想的貯藏條件主要取決于種子含水量、貯藏環境（如溫度和濕度）和貯存種子的容器.進行種子貯藏，了解種子生命力和活力的影響因子的作用機理是十分重要和必要的.除了種子自身的生理特徵外，種子的貯藏壽命與種子成熟度、收獲技術、加工處理方法也是息息相關的.即使在最適的庫存條件下，種子也會隨時間發生劣變.因此，必須根據種子特定的貯藏行為，加以考慮影響種子存活的3個主要方面（貯藏環境、貯藏期和植物種類）而選擇有效的貯藏方案.本文試圖討論種子貯藏生理的幾個重要方面及其需解決的技術問題，以便更好地通過種子基因庫，長期有效地保存植物種質資源Silica heat preservation brick can be used to heat preservation, energy saving, and it also can protect the inner refractory material to enlong the oven life
硅質保溫磚是一種高溫隔熱材料，在工業窯爐上起到了隔熱保溫、降低能耗、提高熱效率的作用，而且還能有效地保護內層主體耐材，延長窯爐的使用壽命。In spite of the low transition efficiency, the thermoelectric transition equipments have a lot of characteristics such as no moving parts, pollution and noise, long life span and safety, which stirs people to research them with great enthusiasm
熱電轉換裝置盡管目前轉換效率比較低，但因為具有結構緊湊、沒有移動部件、工作無噪聲、使用壽命長、安全不失效、易於自動檢修、無污染等優點，從而激起了人們的研究熱情。The product is produced with high quality magnesia and basic refractory raw material, binder and additive, it has higher corrosion resistance and good thermal shock resistance and can prolong the service life of tundish and is easy to remove its lining, it can be used by mechanical gunning and manual smearing on working site
本產品是採用優質鎂砂和堿性復合耐火原料與特殊復合結合劑、添加劑製作而成，該產品具有較高的耐侵蝕性和耐急冷急熱性，可以有效的延長中間包的使用壽命，並易於脫包，本產品可現場機械噴塗施工，又可人工塗抹作業。The analysis of dynamics characteristic of shaft rotor in high spindles is one of the important contents that directly decide the designing function of shaft. the dynamic characteristics have immediate effect on the manufacturing precision and efficiency, the lives of bearings, as well as working of the key components
高速軸系的轉子動力學性能的分析設計是直接決定主軸性能設計的一項重要內容，主軸的轉子動力學特性對機床的加工精度和效率、主軸軸承的壽命和其它關鍵部件的正常工作等方面都有著至關重要的影響。Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode
與傳統的燈泵浦相比，激光二極體泵浦固體激光器（ dpssls ）具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中，激光二極體（ ld ）端面泵浦nd ： yag激光器在工業中起著重要的作用並得到了廣泛的運用，這主要歸因於nd ： yag晶體具有良好的機械和光學特性，而且端面泵浦具有良好的模式匹配，能獲得基橫模激光輸出。Using the strain gauge to acquire data of the stress time history under current operating condition on the critical location of the vane wheel, and using the fatigue theory to evaluate its residual working life is one of the effective engineering methods on fatigue problems study
摘要通過在葉片危險部位粘貼應變片進行數據採集以獲取其在當前運行工況下的應力時間歷程，結合疲勞理論來預估其剩餘工作壽命是工程中有效的疲勞問題研究方法。As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source
如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。The best heat - insulated method can be realized with multi - technique heat - insulation. the self - cleaning and heat - insulated building coating obtained in this paper can be used on the buildings and covering materials. it not only can protect the material, prolong its lifetime, but also has efficient self - cleaning function and heat - insulation property
本工作研製的塗料具有高效憎水、防污自清潔、隔熱功能，可廣泛用於建築墻體及覆蓋材料的表面，該塗料不僅能有效保護材料、延長使用壽命、保持表面潔凈，還具有較好的隔熱節能功能。Lithium ion batteries have many excellent performances among the chemical power sources such as the highest work voltage and energy density, longer cycle life and better safty, etc., which make them show the wide prospects of application and latent enormous economic effectiveness in many respects, for example, portable electric devices, electromobile, space technology, national defence industries, and so on
鋰離子電池具有高工作電壓、高比能量、循環壽命長、安全性能好等諸多優異的性能，從而在便攜式電子設備、電動汽車、空間技術、國防工業等多方面展示出廣闊的應用前景和潛在的巨大經濟效益；而高性能的鋰離子電池陽極材料的制備及性能研究是目前鋰離子電池開發乃至應用的關鍵因素之一。Based on the effective measured stress signal, the residual working life of the vane under current operating conditions was evaluated using nominal stress method, the reliable results could be acquired
基於處理后的有效實測應變信號，運用名義應力法對該工況下的葉片剩餘工作壽命進行了評估計算，獲得了較為可靠的結果。分享友人