片式電阻 的英文怎麼說
中文拼音 [piānshìdiànzǔ]
片式電阻
英文
chip resistor-
Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )
體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops
為了方便、有效地測定植物的蒸散,為水分利用研究提供價廉物美、簡單易用的儀器,本研究利用國產的集成電阻應變式稱重傳感器,採用at89c52單片機作為控制單元,結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路,研製了小型自動稱重式蒸散儀。Interfacing resistance touch screen with mcu mpu
電阻式觸摸屏與單片機的介面技術Two basic forms of the resistance strain gage are the bounded and the unbounded types.
電阻應變片有粘貼式和非粘貼式兩種基本形式。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。Hebi 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。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。In this paper, the circuit used for testing sheet resistance is designed using single chip processor. additionally, we have expressed van der pauw function as a polynomial form through local and global reversal development by using the normalized polynomial match, being convenient not only for programming, but also for sheet resistance testing when using van der pauw and rymaszewski methods
本文還利用單片機系統設計了薄層電阻測試電路,對于程序中用到的范德堡隱函數,利用非線性反演和規范化擬合的方法推導出其多項式顯函數形式。這不僅給對我們編寫程序提供了方便,也為使用范德堡法和rymaszewski法測量薄層電阻提供了便利。Fixed resistors for use in electronic equipment ; part 8 : sectional specification : fixed chip resistors
電子設備用固定電阻器.第8部分:分規范:固定式片狀電阻器Fixed resistors for use in electronic equipment - part 8 : sectional specification : fixed chip resistors ; amendment 1
電子設備用固定電阻器.第8部分:分規范:固定式片狀電阻器.修改件1Fixed resistors for use in electronic equipment ; part 8 : blank detail specification : fixed chip resistors, assessment level e
電子設備用固定電阻器.第8部分:空白詳細規范.第1節:固定式片狀電阻器. e級評定This paper mainly accomplished the following research : summarize the classify and application fields of four - probe testing technology ; take the square four - probe testing technology study by using the advantage of rymaszewski method in auto - eliminating the portrait wandering influence to induct ry method to square - probe testing method ; deeply study the influence of probe wandering to progressed ry method testing result ; complete the design of testing panel and testing circuit, realize the auto - testing of mono crystal wafer ; discuss the image enhancement and threshold selection problem in image identify, and finally accomplish the identify of probe pinpoint. the main new view points of the research : 1. it is the first time for applying image manipulation and analysis technique to the sheet resistance measurement, and achieving the auto - location function of the probe
為此,本文開展了以下研究工作:綜述了四探針技術的分類以及應用范圍;對方形四探針測試技術進行了研究,利用rymaszewski法自動消除探針縱向游移影響的優點,將它應用於方形探針測試法中,並對探針游移對改進rymaszewski法測試結果的影響進行了深入探討,提出了用圖像識別技術監測測試進行的方法;完成了測試系統的測試平臺以及測試電路的設計,研製出具有圖像識別功能的斜置式方形探針分析儀一臺,實現了矽片電阻率測試的自動化;對圖像識別過程中涉及到的圖像增強和閾值選擇問題進行了論述,最終實現了對探針針尖的圖像識別以及探針測試結構的自動調整,保證了方形探針測試儀的測試精度。For preparing process, the zno ceramic disc samples with 10mm 1mm exhibited good characteristic with > 50, v1ma < 400v and il < 1 a and tsintering < 1100 were obtained by optimum sintering temperature, holding time and firing atmosphere, using proper and silver electrode
Zro2 )對于制備工藝而言,通過優化燒結溫度、保溫時間和燒成氣氛,選用合適的粘合劑和銀端電極,制得了v1ma 400v 、 > 50 、 il < 1 a以及燒結溫度低於1100的10mm 1mm的圓片式壓敏電阻。Stain gage load cells are diffusely used in the mechanical measurements with high precision. at present, load cell design, manufacture and test in china, especially the strain gage backing material were laggard a lot
電阻應變式測力稱重傳感器在高精度機械測量領域中有著廣泛的應用,但目前國內的傳感器設計、製造、檢驗技術,尤其是應變片基底材料的製造工藝還非常落後。The chip resistor paste production process and requiring by doing parallel experiment with jp pastes were reseached
摘要通過與日本樣進行對比試驗,研究了片式電阻保護漿料的制備工藝及要求。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Low assembly cost, suit for automatic thick film chip resistor or capacitor equipment
2 .可和現有厚膜封裝,片式電阻Multilayer varistors ( mlv ) in advanced electronics technology field was discussed. the ceramic materials used for mlv, inner electrode and preparing process were present and systematic researched through abundant experiments. theory analyses were also explored to explain the phenomenon and law of the relative experiments
本論文概述了zno壓敏電阻特別是疊層片式壓敏電阻( multilayervaristors ,簡稱mlv )在現代電子技術領域的發展現狀與廣闊市場前景,對mlv用的瓷料配方、電極漿料相容性及配套的制備工藝進行了系統的實驗研究,並對相關實驗現象和規律進行了理論探討。Specification for resistance paste for use in chip resistors
片式電阻器用電阻漿料規范Thick film chip diode 4148 is a new type of chip diode which is the application of thick film technology in the diodes encapsulation. it looks like thick film resistor from the appearance
厚膜片式二極體是一種封裝過程中運用了大量厚膜技術外形類似厚膜片式電阻器的新型片式二極體。分享友人