無機分析實驗 的英文怎麼說

中文拼音 [fēnshíyàn]
無機分析實驗 英文
experiments in inorganic analysis
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : machineengine
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 無機 : [化學] inorganic無機氮肥 inorganic nitrogenous fertilizer; 無機肥料 inorganic fertilizer; 無機化...
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較表明:土壤有質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. The application of teaching reform to experimental courses of the inorganic and analytic chemistry

    教學改革在化學課中的應用
  3. Thirdly, the contents should be organized. arrang the inorganic chemistry experiments, organic chemistry experiments and analytic chemistry experiments in a whole, and in order to make the experimental teaching more systematically, they should be separately organized as these parts : basic knowledge of chemistry experiment, basic operation experiment, experiment of chemical quality, qualitative experiment, quantitative experiment synthesis, extration and experiment design

    三是內容的組織,將化學、有化學化學整體編排,按化學基本知識、基本操作、化學性質、定性、定量、制備和提取及設計塊組織,以利於更系統地進行教學。
  4. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試及試資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的效水量消耗,從水稻生理、生態節水兩方面了控灌技術節水理,針對性地總結出水稻各生育期施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,控灌技術高產優質理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試水稻控灌技術奠定基礎。
  5. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論際切削,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的際生產過程應用,證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  6. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用形方法提取目標的特徵,在知識指導下,提出了一種基於目標特徵模型的降維的形態學形維數計算方法,對傳統形方法進行了改進,從理論上推證了演算法的合理性,並對演算法進行了模擬;針對傳統hough變換法獲得線段端點和長度信息的局限性,提出了一種基於目標特徵先知識的hough變換融合策略,通過引入目標先知識,可以有效地獲得直線信息;對信息多而復雜的場目標採用基於知識的目標識別方法,使用置信度模摘要型現不確定推理,對目標進行識別判斷,將知識貫穿于整個識別過程中,對目標進行了有效地識別。
  7. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論、模擬證,得出這兩種旋轉變換器都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率,可用於電的新型刷勵磁方案中。
  8. Management content : the company product mainly covers the microscope, the tool maker ' s microscope, the projecting apparatus, the sclerometer, the thickness gauge, the magnifying glass, the balance, the measuring instrument quantity meter, the mapping equipment, the metering equipment, to test the instrument, the electrochemistry instrument, the physical instrument, the analytic instrument, the biochemistry instrument, the non - destructive inspection, the medical instrument, the processing machinery and so on altogether 28 broad headings, 170 minor sort large - scale specialized precision instrument measuring appliance sale enterprises

    經營內容:公司產品主要涵蓋顯微鏡、工具顯微鏡、投影儀、硬度計、測厚儀、放大鏡、天平、量具量儀、測繪儀器、測量儀器、儀器、電化學儀器、物理儀器、儀器、生化儀器、損檢測、醫療器械、加工械等共28大類, 170餘個小類的大型專業精密儀器儀表銷售企業。
  9. Combined with experimental data, this paper conducted the theoretical analysis and computer simulation of the infrared thermograph ndt

    本文結合,針對敏混凝土結構缺陷的焦耳內熱源紅外損檢測過程,進行了理論和計算模擬。
  10. As an important part of the project of developing an ecs for mw wtgs, the thesis makes overall theoretic analyses and experimental studies on reactive power compensate control system and yaw control system

    作為單電氣控制技術研究的重要組成部,本文對功補償控制系統和偏航控制系統展開了比較全面的理論研究。
  11. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢刷直流電動在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的與比較,模擬研究和結果表明,當反電動勢的平頂寬度小於107電角時,採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上,更有效地抑制電磁轉矩脈動。
  12. Thispaperhasstudiedonthedatalinkinterfacetechniqueoftacticalcontrolsystem. firstof all, functional requirement and the important role of data link interface in tactical controlsystem is introduced ; secondly, with object oriented method, the characteristic of uav taskcontrol process is analysed, and then uav task control information model is established, anddata link interface standard of tactical control system is designed based on this model, including message format and transmission mechanism ; thirdly, data link control module isdesigned based on embedded linux operating system and has realized conversion betweendata link standard interface and the private interface of uav data link ; and then, combinationreal time corba middleware and its event channel, data link control modular componenttechnology is studied, and realization scheme is put forward ; finally, demostration is madebased on prototype of tactical controlsystem, which verify the validaty of data link interfacestandardandembeddeddatalinkcontrolmodules

    本文對戰術控制系統中的數據鏈介面技術進行研究:了數據鏈介面在戰術控制系統中的功能需求;採用面向對象的方法,任務控制問題,建立了任務控制信息模型,並基於該模型設計了數據鏈介面通信協議,包括報文格式和傳輸制;基於嵌入式linux系統設計了數據鏈介面控制模塊,現了數據鏈標準介面與數據鏈私有介面之間的相互轉換;結合時corba中間件及其事件通道,研究了數據鏈介面控制模塊組件技術,並給出了現方案;通過戰術控制原理系統的演示證了數據鏈介面通信協議和嵌入式數據鏈介面控制模塊的有效性。
  13. Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step

    在對混合動力汽車的結構型式和動力元件進行基礎性理論后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式級自動變速器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動功率和起始轉矩、主減速比、電的額定功率和轉矩、轉矩合成器速比等相關參數,為下一步的電控制系統模擬打下基礎。
  14. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風性能監測系統研究較少的現狀,在的基礎上了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風性能曲線的影響,並在此基礎上採用節流方法測量流量,以風調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風流量全程監測模型;以室4 - 73no . 8d離心風為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差佈規律;最後用visualc + +語言開發了風性能在線監測系統。
  15. A wind calculation is also provided when the uav flights along the straight course. at last, simulation in flight envelope with matlab / simulink is is offered with data and graph to prove the simulation design is successful

    最後,通過matlab / simulink現了全過程飛行的非線性模擬證,在全航程飛行過程中的飛行數據/曲線,證了本文研究內容的正確性。
  16. The paper has done all - around study on the ac excited of variable - speed constant - frequency ( vscf ) wind power generation. the author has done thorough study on the vscf wind power generation technology using wound - rotor doubly - fed induction generator, from simulation to experiment, from theory to practice. he also did at large theory analysis to the vscf wind power generation technology using cascaded brushless doubly - fed generator, and has established stability theoretical foundation for continue study work

    本文對交流勵磁變速恆頻風力發電領域的關鍵技術進行了較為全面的從模擬到、從理論到踐的深入研究,同時對具有廣泛潛在應用前景的級聯式刷雙饋發電變速恆頻風力發電技術也進行了洋盡地理論,為今後進一步的深入研究奠定了一定的理論基礎。
  17. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電的數學模型,通過計算模擬,證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了與研究,提出了一種用模糊控制的方法現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制刷直流電動驅動太陽能人飛的螺旋槳,為後面繼續研究工作提供了參考。
  18. Enhanced the experimental teaching quality through reorganization and combination of inorganic and analytical chemistry experiment

    整合無機分析實驗全面提高教學質量
  19. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜法,本系統使用的是第一種;根據以及相關資料,了影響極限折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據系統的需要,獨立設計並加工出相關配套的設備,包括鋼塊、有玻璃楔塊、固定件、載荷外框裝置等。
  20. Abstract : based on the classical theory, the harmonic winding potential of the tooth harmonic brushless exciting generator have been calculated and analysed. the results tally with the data of no - load test very well. it was demonstrated the designing thread of harmonic winding is correct

    文摘:從經典理論出發,對齒諧波刷勵磁發電的諧波繞組電勢進行了計算,其結果與空載得出的數據完全吻合.說明諧波繞組的設計思路是正確的
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