片式元件 的英文怎麼說
中文拼音 [piānshìyuánjiàn]
片式元件
英文
chicomponent-
Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Adjustable ergonomics design of working angle
所有的片式元件均可以計算。The development of microwave technology is continuously pushing mobile communication equipments and portable terminals to micromation, complex, multilayer and modularization. ltcc ( low temperature co - fired ceramic ) technique is the best method to achieve the aim
Ltcc ( lowtemperatureco - firedceramic )技術是目前實現各種微波介質陶瓷元器件微型化、復合化、片式化、模塊化的最佳途徑。Research and manufacture of semiautomatic taping machine for smd
片式元器件半自動編帶機的研製Dozens of types of products manufactured by our company are widely used in the ships built at home and aboard, including qhz serial liquified gas stoves, stainless kitchen furniture, immersion heaters. electric ranges, kitchen multipurpose machine, kitchen waste pulverizer, rice cookers, ice water machine, cold storage doors, cold storage racks, file cabinets, lockers, split mounting type of refrigerated warehouses, cell toilets, bin inbuilts, lock sheets, nut caps, impact nails, etc
公司主要生產qhz系列汽化爐灶、不銹鋼廚房傢具,電熱沸水器、電灶等電熱電器、廚房多用機、廚房污物粉碎機、蒸飯箱、冰水機、冷庫門、冷庫貨架,文件櫃、更衣櫃、拼裝式冷庫在,單元衛生間,艙室內裝、鎖緊片、蓋帽、碰釘等幾十種規格產品,廣泛用於國內外各船廠建造的船舶上。Eyccl vertical sluicing discharge pressure leaf filters are quite similar to the horizontal plate filters except for the orientation of the filter elements which are vertical rather than horizontal
Eyccl型立式加壓葉濾機通過在密閉的容器內,垂直放置多片濾葉作為過濾元件,進行加壓或真空過濾。Usage of real - time image recognition technology in surface mount components taping machine
實時圖像識別技術在片式元件編帶機中的運用Shenzhen rongdiantaifu scientific & technical co., ltd is a produce axial laser mlcc, axial color code mlcc ; we also management all classes of electronic component ( chip capacitor, chip resistor, chip inductor, chip diodes … ) a widely used
深圳市榮電泰富科技有限公司是一家以生產獨石電容、色環電容;並經營各類片式元件(片式電容、片式電阻、片式電感、片式二、三極體等)產品應用面廣。I have designed the multilayer chip inductor take this material as the foundation and discussed a little influences of the metal wire arrangement structure and via in the parameters of inductor
在以此材料為基礎設計了多層片式電感,初步探討了金屬導線的布置結構及通孔對電感元件的一些參數的影響。The wave - front aberration ' s cumulating of optics elements in multi - pass amplifying system was researched more deeply. considering the correlation between optics elements " wave - front aberrations caused by the similar fabrication technique, the correlation coefficient was adopted to revise calculation rule of superimposition which used in estimating system ' s static wave - front aberration and allocating optical machining precision. 3
進一步研究了多程放大系統中光學元件波前誤差的疊加規律,並考慮到釹玻璃片加工工藝的相似性所導致的波前相關性,將相關系數耦合到波前誤差疊加公式中,使修正後的公式能更準確地預估系統靜態波前和分配光學元件加工精度要求; 3Hebi can produce over 5000 industrial products, in which coal of hebi coal group company, high standard cement by tongli cement company, daily chemical products by tianyuan company, auto connectors by tianhai group, chipped capacitors by caihe company, fusing resistors by boda group, meat products by yongda company are famous and on the leading place in the market
工業產品5000多種,其中鶴壁無煙煤、同力水泥公司高標號水泥、天元公司日用化工品、天海集團汽車接插件和線束、華中科技公司、彩鶴公司片式電容、博大集團熔斷電阻、網路電阻、大用和永達公司肉製品等一大批知名品牌,在河南省乃至全國同行業享有較高聲譽。Overpressures up to 40 bar at 500 litres min can be detected with the membrane measuring element and output in easily readable form
膜片式測量元件可以測量500升分鐘流量下最高達40 bar的過壓力,並將測量結果以便於閱讀的表格形式輸出。Microelectronic circuits in which the passive components and their metallic interconnections are formed directly on an insulating substrate and the active semiconductor devices ( usually in wafer form ) are added subsequently
一種微電子電路器件,其中的無源元件及內部金屬連線直接在絕緣襯底上形成,然後再加上有源半導體器件(通常以大圓片形式給出) 。Abstract : constant components and output opened ports in the result of high - level synthesis lead to explicit redundancy in gate - level technology mapping. explicit redundancy can not improve the performance, but increases power consumption, enlarges circuit area and decreases its testability, so it should be removed. this paper proposes a queue loop optimization algorithm to remove explicit redundancy completely which decreases the circuit area and improves the testability
文摘:高級綜合結果中常量元件和輸出懸空埠導致門級工藝映射結果中存在顯式冗餘.顯式冗餘無助於提高電路性能,反而增加功耗,降低電路的可測試性,使電路面積增大,應予消除.文中提出了顯式冗餘的隊列循環優化演算法,完全消除了此類冗餘,從而有效地減少了生成電路的基片面積,提高了電路的可測試性It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface
本項目以該交換機為研究對象,在詳細分析原設備的系統結構和功能實現方式的基礎上,指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題,同時結合系統的低功耗需求和優化人機介面設計,本文提出基於「單片機+ cpld fpga體系結構」的集成化設計方案:在cpld中實現信號音分頻和計時頻率生成電路、 20路用戶led狀態控制電路; cpld與單片機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設計;基於低功耗設計的器件選型方案和單片機待機模式設計;人機介面的lcd菜單操作方式。Specification for harmonized system of quality assessment for electronic components - semiconductor devices - integrated circuits - blank detail specification - bipolar monolithic digital integrated circuit gates excluding uncommitted logic arrays
電子元器件質量評定協調體系.半導體器件.集成電路.空白詳細規范.雙極單片式數字集成門電路Abstract : after the relationship between radial and tangential strains and resistance changes of strain gage on the surface of elasticity pressure sensor is established by finite element method, the output voltage is related to the resistance changes in the electrical bridge, and the nonlinear precision of this kind of pressure sensor is analyzed
文摘:本文用有限元方法分析平膜片式壓力傳感器彈性元件表面徑向應變及切向應變與薄膜應變片阻值變化的聯系后,根據電橋原理得到與其輸出電壓之間的關系,最終並分析了傳感器之非線性精度In this paper, the studied works are list as follows : 1 ) the theory of elastically supported continuous beam method is brought forward to transfer spatial continuous beam - arch composite bridges into plane structure. the plane finite element method is used to calculate inner forces and deflections of each beam and arch. at the same time, spatial finite element model is created for contrast
研究提出用彈性支承連續梁法荷載橫向分佈理論計算空間梁拱組合式橋梁的荷載橫向分佈,從而將空間問題轉化為平面計算問題,進而用平面桿系有限元理論分析求解梁拱拱片各桿件截面的內力和撓度,並用空間有限元理論和通用程序建立空間模型進行對比計算。The design of the distributed control system for surface mount components
片式元器件帶式包裝機分佈控制系統的設計According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精度光電編碼器作為速度和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合,也為降低成本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。分享友人