致熱因子 的英文怎麼說
中文拼音 [zhìrèyīnzi]
致熱因子
英文
pyrexin-
Through cultivating the cochineal in 4 counties which belonging to tropical, south sub - tropical and mid sub - tropical zones, the life tables of the cochineal in each county are established and the survival percentage of each stage as well as the key factor of death in each climate type is studied. in the meantime, the sample of the cochineal of each county is collected to test the size, eggs and weight, through comparing these biological index, the best zones, better zones and other zones for cultivation of the cochineal are pointed out. on the basis of above study, the zones for cultivating the cochineal are marked out in yunnan province
在雲南熱帶、南亞熱帶、中亞熱帶三個氣候類型下的4個縣（市）放養胭脂蟲，應用生命表技術，研究各氣候類型下胭脂蟲的存活情況並分析出各氣候類型下胭脂蟲的主要致死因子，同時，採集各地培育的胭脂蟲樣品測定蟲體大小、懷卵量及重量，通過比較這些生物學指標，得出胭脂蟲的最適生區、次適生區及適生區，並以此為依據，對雲南省胭脂蟲的培育進行了區劃。The electron - trapping breakdown is the main reason accelerating the thermal breakdown, and the thermal breakdown is the fundamentality factor of the breakdown of pcss
電子俘獲擊穿機制是導致熱擊穿的主要原因，而熱擊穿是導致開關徹底失效的根本因素。In this paper, oxid crystals were synthesized by the hydrothermal method, and the effects of the hydrothermal condition on shape and quality of crystal were studied by changing experimental temperature and mineralizer. on the base of these works the blue sapphire dopped with fe, ti and sapphire dopped with ti were synthesized. meantime, the effects of ti, fe - dopped on sapphire and what lead to the blue of sapphire were studied
本文採用水熱法合成了- al _ 2o _ 3和zno晶體，通過改變溫度和礦化劑條件研究了水熱條件下溫度和礦化劑對- al _ 2o _ 3和zno晶體合成的影響；在此基礎上通過摻雜致色元素，合成了藍色藍寶石、鈦藍寶石，並研究了fe 、 ti等致色離子對藍寶石晶體界面形態和質量的影響，分析了藍寶石的致色原因。A move had to be made because that merry old soul, the grasswidower in question, who appeared to be glued to the spot, didn t appear in any particular hurry to wend his way home to his dearly beloved queenstown and it was highly likely some sponger s bawdyhouse of retired beauties off sheriff street lower would be the best clue to that equivocal character s whereabouts for a few days to come, alternately racking their feelings the mermaids with sixchamber revolver anecdotes verging on the tropical calculated to freeze the marrow of anybody s bones and mauling their largesized charms betweenwhiles with rough and tumble gusto to the accompaniment of large potations of potheen and the usual blarney about himself for as to who he in reality was let xx equal my right name and address, as mr algebra remarks passim
該離開了，因為這位讓老婆守活寡的快活的人兒253好像被膠膘在這里了，他一點兒也不急於回到他那頗可懷念眷戀的王后鎮家中去。今後幾天內，要是想知道這個形跡可疑的傢伙的下落，老鴇搜羅幾名年老色衰的佳人兒在下謝里夫街那邊開起來的窯子倒是可以提供最可靠的線索。他忽而講了一通發生在熱帶附近的六響左輪槍奇聞，打算把她們人魚們嚇得毛骨悚然，忽而又對她們那大塊頭的魅力加以苛刻的挑賜，其間還大杯大杯地暢飲私造的威士忌酒，興致勃勃地胡亂開一陣心。And the resuits are as follows : the main hazards in rural area were flood, water - logging, landslide and debris flow, whereas water - logging in cities ; the catastrophe was caused by the natural factors including the heavy rain due to the strong tropical storm, the mountainous terrain conditions in xiangjiang river basin, and the man - made factors including unreasonable project construction, the imperfect disaster warning mechanism, the weak consciousness on disaster prevention and the unperfect disaster risk transfer mechanism etc
結果表明：農村的主要致災因子是洪水、內澇、滑坡、泥石流，而城市主要為內澇；此次巨災是在強熱帶風暴引發的暴雨、湘江流域中上游多山的地形條件等自然因素，和工程建設不合理、災害預警機制不夠完善、人們防災意識薄弱以及災害風險轉移機制不夠成熟等人為因素的共同作用下導致的。Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously
本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法，認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制，導致鋯的部分水解，因而此方法不宜用於icp - ms中，然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中，全程回收率為93 . 2 ，相對標準偏差為5 . 24 ，鈾的一次去污因子為3 . 2 10 ~ 4 ，鋯的測定下限為0 . 04ng / ml ，本文首次將tta萃取分離鈾中鋯用於icp - ms測量中，結果令人滿意，此方法適用於快速、準確測量鈾產品中微量鋯。Results show that the tube - burst is mainly due to the result of tube ' s long term overheating, while the main causes resultsing in overtemperature of the platen superheater are as follows ; ( 1 ) burn - out of superheater ' s pipe - grippers ; ( 2 ) some tube - sections are out of the row ; ( 3 ) unsuitable mode for adjusting the desuperheating water
結果表明：爆管主要是由於管子長期過熱所致，而屏式過熱器管卡燒損、個別管段出列、減溫水調節方式不當是引起屏式過熱器超溫的主要原因。Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析，對所得結果從器件內部物理機制上進行了討論，最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深（凹槽深度）的增大，槽柵器件的閾值電壓升高，亞閾斜率退化，漏極驅動能力減弱，器件短溝道效應的抑制更為有效，抗熱載流子性能的提高較大，且器件的漏極驅動能力的退化要比改變結深小.因此，改變槽深加大負結深更有利於器件性能的提高The study also reveals the relationship between pasture ' s growth period, yield and their relation to weather factors and the evolvement characters of grassland vegetation under the background of drought climate, and refers to the main factors of the influence on grass - turn - green period as water condition in qinghai lake areas, and the main factors as the quantity of heat in the southern area of qinghai. because of the drought in the " three rivers source area ", the growing season is shortening and the production of the grass is decreasing clearly
揭示了牧草生育期、產量以及群體結構與氣象因子之間的關系和氣候乾旱化影響下草場植被的演變特徵，提出了影響環湖地區牧草返青期的主要因子是水分條件，影響青南地區牧草返青的主要因子是熱量條件， 「三江源」地區由於氣候乾旱化，導致牧草生長季呈縮短趨勢，牧草產量明顯下降。Solid particle erosion is an important reason of material failure in a number of engineering systems such as material transport pipe lines, coal liguefaction / gasificaion plants, thermal power plants, aircraft gas turbine engines
固體粒子沖蝕磨損在一些工程應用中是導致材料失效的重要原因，如物料輸送管道、煤液化氣化裝置、熱能裝置、航空器噴氣引擎、等。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Urbanization also results in reduction in visibility, increase in cloud amount and decrease in global solar radiation in hong kong. urbanization often causes an increase in suspended particulates in the atmosphere and thus a decrease in visibility. as a result, the amount of solar radiation reaching the ground decreases
城市化通常令大氣中懸浮粒子濃度增加，導致能見度降低，因此，地面所接收的太陽輻射量下降，日間氣溫上升幅度較小，但由於空調系統及其他城市活動同時亦產生了熱能，最終兩個因素的效應互相抵銷，故此最高氣溫只有輕微變化。Urbanization often causes an increase in suspended particulates in the atmosphere and thus a decrease in visibility. as a result, the amount of solar radiation reaching the ground decreases. the rise in temperatures during daytime was reduced but this is more or less offset by the heat generated from air conditioning and other urban activities
城市化通常令大氣中懸浮粒子濃度增加，導致能見度降低，因此，地面所接收的太陽輻射量下降，日間氣溫上升幅度較小，但由於空調系統及其他城市活動同時亦產生了熱能，最終兩個因素的效應互相抵銷，故此最高氣溫只有輕微變化。Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素，以便充分掌握影響孔度大小、分佈、形態的因素，使孔度調控范圍得以拓寬，使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發，分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程，它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程，可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料，其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜，通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定，不同厚度的多孔膜形貌研究，不同x （聚合物-溶劑相互作用參數）體系所制備的多孔膜形貌等需深人研究The unstable stacking of layers of org - mmt was easily damaged under force and heat. hence, it is very important to decide the process temperature for preparing the composites, and it was found that 200 was a upper limitation of temperature
由於在高熱（ 200以上）或強機械剪切作用下，蒙脫土層狀堆疊結構會坍塌，導致不能與聚合物分子作用生成聚合物?層狀硅酸鹽納米復合材料，因此熔融插層的溫度選擇顯得十分重要。For example, a one - megaton nuclear warhead would need to be intercepted at an altitude of at least 10 kilometers to prevent the city from being incinerated by the heat of the hydrogen bomb
舉例來說，一枚百萬噸級的核子彈頭，必須在10公里以上的高空攔截，城市才不致於因為氫彈的熱度而化為灰燼。According to these results, the electronic conductivity, seebeck coefficient, thermal conductivity and figure of merit of materials are computed. the results are consistent with experimental measurements
根據所求出的有效質量、載流子濃度估算了上述三個模型的電導率、熱導率、 seebeck系數和材料的熱電品質因子，計算結果與實驗測量值的變化趨勢一致。Thus, the nonthermal broadening in the stars " spectral lines above has been explained abstractly by the theory of spectral lines broadening in plasmas
因此，等離子體譜線致寬理論對以上恆星譜線非熱加寬給予了理論解釋。The kinetic equations for the qgp have been formed under the general frame of the statistical theory and its dynamic basic is the quantum chromodynamics ( qcd ), which the component particles of the system obey. they are widely used in investigating the properties of the qgp. there are two basic forms of the qgp kinetic theory : quantum kinetic theory and ( semi - ) classical kinetic theory
Qgp動力論的基本方程是以系統的成分粒子（夸克、反夸克和膠子）所服從的qcd為動力學基礎，按統計理論的一般框架建立起來的，現已廣泛應用於討論qgp的物性，並已證實在「硬熱圈」水平上動力論和溫度場論的結果是一致的，因而該理論得到普遍的承認。分享友人