temperature change resistance 中文意思是什麼

temperature change resistance 解釋
耐濕變性
  • temperature : n. 1. 溫度,氣溫。2. 體溫。3. 〈口語〉發燒,高燒。
  • change : vt 1 改變,變更,變換,變革。2 交換;兌換;把(大票等)換成零錢;把(支票等)兌成現金。3 換(車、...
  • resistance : n. 1. 抵抗,反抗,抗拒,抵禦;敵對,抵抗力,反抗力,阻力,【生物學】抗病性。2. 【電學】電阻;阻抗;電阻器。
  1. 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

    本文從試驗及試驗資料入手,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,系統地分析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無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實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,土壤水分變化,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,分析控灌技術高產優質機理;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,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析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驗水稻控灌技術奠定基礎。
  2. The interior size and the calorific capacity of the borehole are much smaller, moreover the temperature change is slow, so usually we can neglect the influence of calorific capacity but to consider according to the heat transfer in steady state process, thus we can establish one - dimensional and the two - dimensional thermal resistance model in the borehole

    而在鉆孔內部,包括回填材料,管壁和管內傳熱介質,與鉆孔外的傳熱過程相比較,由於其幾何尺寸和熱容量要小得多,而且溫度變化較為緩慢,因此通常可以忽略其熱容量的影響而按穩態傳熱過程來考慮,建立了鉆孔內的一維和二維的熱阻模型。
  3. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  4. Graphite block, which is mainmly used for laying the waist and abdomen of blast furnace, has the properties of high mechanical strength, superior resistant to molten iron scouring, resistant to sudden change in operating temperature, superior oxidation and corrosion resistance

    該產品具有較高的機械強度、耐鐵水沖刷、耐急冷、急熱,有較好的導熱性,抗氧化、耐腐蝕性好,用於砌築高爐爐腹、爐身中部。
  5. Temperature kits : contact must be properly fixed in the evaporator export pipelines, real - time communication evaporator components to temperature degrees, the material will be filled through interlinked capillary pressure due to the expansion of corrugated boxes ; swelling corrugated boxes on the pressure for change in the thrust pole with an adjustment screw and spring - loaded ball - type valves to adjust the resistance of the degrees of refrigeration volume precision adjustments

    感溫包:是必須妥善接觸固定在蒸發器的出口管道上,感知蒸發器實時回氣溫度的部件,它將充填物質的熱脹冷縮壓力通過相通的毛細管提供給膨脹波紋箱;膨脹波紋箱依據壓力的變化推動推力桿結合過熱度調整螺絲和彈簧的阻力來調整球型閥的開度,實現製冷量的精確調整。
  6. The average partical size of bismuth ruthenate and pbo - b _ 2o _ 3 - sio _ 2 glass was researched. the smaller bismuth ruthenate partical is, sheet resistivity is lower and temperature coefficient of resistance ( tcr ) is more positive and the refiring change ratio is nearer to zero. the limit size of bismuth ruthenate partical is 0. 56 m

    研究了各相粉體平均粒徑對膜層性能的影響,結果表明:釕酸鉍平均粒徑越小,膜層的方阻值越小,電阻溫度系數偏正,重燒變化率越接近零值,球磨工藝的極限平均粒徑為0 . 56 m 。
  7. When the temperature to gas pipelines, temperature packets of material expansion, the pressure rise, inflation pressures are rising corrugated box, corrugated promote the expansion thrust to overcome the spring - loaded pole resistance, the ball - type valve opened for big change ; when the gas pipeline to reduce the temperature, temperature of the material swelling up, the pressure lowered inflation corrugated box pressure also reduced, spring - loaded pole compressed corrugated of resistance to thrust, spherical valves open for smaller ; this constant push and pull adjustment for the balance, as long as refrigeration cycle continue

    當回氣管道溫度升高,感溫包內的物質膨脹,壓力升高,膨脹波紋箱內壓力也升高,波紋腔膨脹推動推力桿克服彈簧阻力,球型閥開度變大;當回氣管道溫度減低,感溫包內的物質膨脹,壓力降低,膨脹波紋箱內壓力也降低,彈簧阻力推動推力桿壓縮波紋腔,球型閥開度變小;如此不斷的進行推拉調整平衡,只要製冷循環繼續下去。
  8. The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation

    因為觀測器在估計轉速時利用的是電機的額定參數,而電機的參數(定子電阻、轉子電阻、勵磁電感)由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化,所以必然有估計誤差產生。
  9. Above all, with the data acquired by tests, this thesis has analysized the lateral resistanc, longitudinal resistance and rail creep etc between ballast and sleeper before and after mass machine work, discussed the effect of mass machine on stability of continuously welded rail track, reseached the change regularity of fastening - down temperature of rail, which is resulted by mass machine work, and have settled the suitable range of work temperature which guarantees the stability of jointless railway. what ' s more, this thesis has put forward the appropriate work pattern, work temperature and work area for mass machine work in future. at the same time, this thesis has given rational suggestions about some conditions worth of attention in production of mass machine, which can in return raise the work productiveness of mass machine. at last, this thesis has considered formulating reasonable measures for operation organization and work standard, so that mass machine work can play an important role in maintenance, which can reduce work load, raise work efficiency and maintenance cost in daily maintenance

    本文通過實測的各種數據,分別對大機作業前後道床對軌枕的橫向阻力、縱向阻力、鋼軌爬行情況等進行深入分析,進一步探討大機作業對無縫線路穩定性的影響,研究大機作業引起的鎖定軌溫的變化規律,確定保證無縫線路穩定的合適作業軌溫范圍。為我國今後的大型養路機械作業提出合理的作業方式、合適的作業軌溫和作業地段,同時對大型養路機械作業中應注意的問題提出合理化建議,為大型養路機械作業提供更高的安全保障,進一步提高大機作業效率。最後,對工務段在大機作業中的配合制定完善的施工組織措施及作業標準,使大機作業在養護維修中發揮更大的作用,為工務段日常的養護維修減少工作量,提高勞動效率,降低維修成本。
  10. Standard test method for change of resistance with temperature of high resistance alloys for electrical heating

    高電阻電熱合金電阻隨溫度變化試驗方法
  11. On the other hand, relationship between doping concentration, phase transition temperature, magnitude of resistance change and hysteresis width was investigated

    在此基礎上,本文進一步探討了摻雜濃度與vo _ 2薄膜相變溫度、電阻突變數量級以及熱滯寬度的關系。
  12. Then, the effect of vacuum annealing temperature on vo _ 2 thin film phase transition temperature, magnitude of resistance change and hysteresis width by doping zr ~ ( 4 + ) was discussed

    ( 2 )本文以摻鋯為例,探討了不同的真空退火溫度對vo _ 2薄膜的相變溫度、電阻突變數量級以及熱滯寬度有何影響。
  13. The products adopt internationally most advanced hp technology with heat transferred via working media phase change, and are characterized as small heat resistance, rapid heat response, fast heat conduction, separate heat source and cold source, uniform isotherm performance, and huge heat flux under condition of small temperature difference etc

    該產品採用國際上先進的熱管技術,利用工質相變來傳遞熱量,具有熱阻小、熱響應速度快、熱傳導迅速、冷熱源可分離、等溫性能好、小溫差下傳輸較大的熱量等特性。
  14. The variations of the surface state and environment conditions could change the procedure of exfoliation, therefore, the potentiometry and electric resistance methods in this paper are used to measure the exfoliation rate of aluminum alloys in a constant temperature, the experimental results show that relations of natural corrosion potential vs time have a resemblance to those of corrosion rate vs time, both relations are all at the different change rates in the front and back of 120 minutes

    超硬鋁合金表面狀態、環境條件的變化,均可能改變剝蝕的發展過程,為此,本文提出在恆溫條件下,用電位法、電阻法定量研究鋁合金的剝蝕性能。實驗結果顯示了lc4cs鋁合金的自腐蝕電位與時間的關系,和腐蝕速率與時間的關系有著十分相似的規律,兩者均在120分鐘前後有不同的變化。
  15. The same with normal metal film, fe0. 3cu0. 7 ( 500nm ) granular film have positive coefficient of temperature. the negative resistance is observed in fexcu ( 1 - x ) granular film under certain condition. this characteristic of negative resistance is weakened or changed to positive with the change of thickness of film, ratio of fe atom to cu atom, anneal, test temperature

    N ) fecu顆粒膜月一i特性研究發現,極小電流下電阻測量具有不確定性; fe cu矚00川)顆粒膜己與普通金屬薄膜一樣,具有正的溫度系數; f民c山x顆粒膜在一定條件下存在負阻現象,並且隨顆粒膜厚度、鐵銅原子比、退火條件、溫度的改變分別存在負阻特性的減弱或向正阻特性的轉變。
  16. Vo _ 2 is a typical thermochromic material. with the increase of temperature, the semiconductor - to - metal transition will occur at 68 c ; with the abrupt change of vo _ 2 crystal structure, electrical resistance and optical index of refraction transmissivity and reflectivity will change, which results in great application potentials in many fields

    Vo2是一種相變型金屬氧化物,隨溫度的升高,在相變溫度( tc = 68 )發生從低溫單斜結構向高溫四方金紅石結構的轉變,同時,伴隨著電阻率和紅外光透過率的突變。
  17. The traditional bandgap reference circuit was improved in the design, which includes the applying of self - bias structure and cascode structure, output of the opamp was used as self - bias voltage, saving bias circuit, and then it was helpful to get low power consumption. through using poly resistance of high value with low temperature coefficient, we reduced the influnce to circuit, if power supply did not change, we must decrease operating current to decrease power consumption, and increasing value of resistor could decrease the operating current efficiently. poly resistance of high value had large value of squared resistor, so we could save layout area

    對傳統帶隙基準電路進行了改進設計,採用自偏置結構和鏡像電流鏡結構,利用運放的輸出電壓作為運放的偏置電壓,節省了偏置電路,降低了功耗;使用低溫度系數的多晶硅高值電阻,降低了電阻溫漂對電路的影響;在電源電壓不變的情況下,為了減小功耗就必須減小工作電流,而增大電阻的阻值能有效地減小工作電流,多晶硅高值電阻的方塊電阻很大,可以節省版圖面積。
  18. Some conclusions are drawn : the compressive strength and flexural strength of cubic specimens of steel fibre reinforced concrete increase with the dosage of steel fibre ; without change of dosage of steel fibre, the elastic modulus of steel fibre reinforced concrete increases with the concrete age ; steel fibre reinforced concrete is of obvious function in cracking resistance, but there is no obvious function in avoidance of cracking ; for both common concrete and steel fibre reinforced concrete, the variation of the internal temperature is different from that of the external temperature before the initial set of concrete, and the internal strain of both two kinds of concrete is great, and, in general, the variation of strain of common concrete is much greater than that of the steel fibre reinforced concrete ; after the initial set of concrete, the variation of the internal temperature of both two kinds of concrete is similar to that of the external temperature, and the variation of the internal strain is relatively small

    結果表明:鋼纖維混凝土立方體的杭壓強度、抗彎強度隨著鋼纖維摻量的增加而增大;在鋼纖維摻量不變的情況下,鋼纖維混凝土的抗壓彈性模量會隨著齡期的增加而提高;鋼纖維對混凝土的阻裂作用很明顯,而對混凝土起裂的限製作用不明顯;在混凝土初凝之前,無論是普通混凝土還是鋼纖維混凝土,內部溫度的變化規律與外界溫度的變化規律不同,並且此階段混凝土內部應變的變幅很大,普通混凝土應變的變幅要比鋼纖維混凝土應變的變幅大得多;在混凝土初凝之後,無論是普通混凝土還是鋼纖維混凝土,內部溫度的變化規律與外界溫度的變化規律相同,並且此階段混凝土內部應變的變幅很小。
  19. Ptc heater uses the ptc heating sensitive resistance as the heating source. it is widely use in the air - conditioner, warm drier and warmer etc. as the secondary heating. the resistance value of the ptc heater will rise or reduce with the change of the environment temperature as it makes the ptc heater has the features of energy saving, even heating, safe and long life. it is widely welcomed by a lot of customers

    Ptc加熱器是採用ptc熱敏電阻元件為發熱源的一種加熱器,廣泛用於空調器的輔助加熱和暖風機取暖器等電氣設備上, ptc熱敏電阻元件因具有隨環境溫度高低的變化,其電阻值隨之增加或減小的變化特性,所以ptc加熱器具有節能恆溫安全壽命長等特點,被越來越多的用戶所歡迎。
  20. Resistance - to - temperature change test

    耐溫度變化性試驗
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