純熱值 的英文怎麼說

In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

本文通過渭河流域全新世黃土的光曬退實驗，地表黃土樣品的d _ e值測定，細顆粒單片的預熱、反常衰退、紅外暴露實驗，說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法（ sar ）在黃土細顆粒中的適用性；為了從黃土中分離出足夠的粗顆粒，進行了純石英和長石的氫氟酸（ hf ）和氟硅酸（ h _ 2sif _ 6 ）溶蝕實驗，黃土粗顆粒石英溶蝕分離實驗；通過細顆粒單片、多片的blsl 、 irsl和post - irosl ，熱釋光，及粗顆粒石英的blsl的年代測定，選擇適于全新世黃土的釋光測年方法，並建立了渭河流域全新世黃土的年代序列。

The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。

As the content of vermiculite minerals was about 3 %, the impact strength ( nick ), the flexural strength and the heat distortion temperature ( hdt ) of the nanocomposites all were the lowest and decreased 21 %, 28 %, 3c, respectively. compared with those of the polybenzoxazine ( bisphenol a type ), its thermal expanded coefficient ( tec ) was 3. 4 % bigger than that of the polybenzoxazine ( bisphenol a type )

雙酚a型ben蛭石納米復合材料的力學性能和熱性能表現出明顯的結構特徵，普遍地低於純樹脂的性能數值，而優于雙酚a型ben金雲母復合約zi和zs 「熱變形溫度dt ）低約3 ，線膨脹系數高約3

Compared with pure pmma, the thermal and mechanical properties of the nanocomposites are obviously improved at a very small amount of mmt ( ommt ) loading. the tgs of the composites via different methods are improved by 10 ~ 26 ?, the decomposition temperatures at weight loss of 5wt % are increased by 42 ~ 99 ?. in the bulk system, tensile strength, tensile modulus and impact strength are improved by 32. 2 %, 60. 3 % and 68. 6 %, respectively, without the loss of light transmittance

相對于純pmma體系，懸浮法、乳液法及本體法復合材料的t _ g值提高了10 26 ；后兩種復合材料熱失重5wt的溫度提高了42 99 ；而本體法復合材料的拉伸強度、拉伸模量及沖擊強度值最大分別提高了32 . 2 、 60 . 3和68 . 6 ，而透光性能基本未受影響。

When the water dose was 20 % and engine speed was 2000r / min, the maximum fuel saving was 4. 1 % ; the thermal efficiency of emulsified fuels was higher than that of using pure diesel oil. nox and particulates emissions were reduced greatly by using emulsified fuels. when water dose was 20 % and engine speed was 1500 r / min, the maximum nox reduction was 43. 4 % ; the average of particulates under all loads was reduced by the extent of 46 % ~ 64 %

結果表明：燃用乳化油節油率有所提高，當n = 2000r min ，摻水率為20時最大節油率可達4 . 1 ；燃用乳化油的熱效率也高於燃用純柴油； no _ x 、顆粒排放比燃用純柴油時則有大幅度降低，當n = 1500r min摻水率為20時， no _ x排放量下降的最大值可達43 . 4 ；固體顆粒物排放量在整個負荷范圍內的平均值比燃用純柴油時低46 64 ；隨著乳化油摻水量的提高，排放效果改善越明顯；而thc和co的排放量則比燃用純柴油時有所升高。

Using the numerical computation method to simulate the pure air flowing in the plasma generator and using zero dimension theory and continuous medium hypothesis to establish the mathematical model of the plasma generator and applying the curvilinear coordinate to disperse the space of the plasma generator, applying simplec method to solve the set of discredited equations

應用數值計算的方法模擬了等離子發生器內部的純空氣流動，應用零維理論分析模型和連續介質假設建立了描述等離子發生器內部流動和傳熱的數學模型；採用貼體坐標系對等離子發生器的流場空間進行空間離散；採用simplec演算法來求解離散方程，獲得流場的數值解。

Thermodynamic couple numerical simulation of ring compression of pure aluminum and tube extrusion of superalloy gh4169 is done by adopting the constant friction model and the present friction model in the paper. numerical results are compared with experimental investigations to validate the correction and nicety of the present friction model of bulk metal forming processes. the accuracy of the finite element simulation of bulk forming processes can be improved by adopting the present friction model

採用二次開發msc . superform軟體，對純鋁圓環鐓粗和高溫合金gh4169管材擠壓過程進行了熱力耦合數值模擬，比較了採用本文提出的多因素摩擦模型和常摩擦模型對圓環鐓粗和管材擠壓過程變形行為的影響，通過與實驗結果的比較，驗證了本文的摩擦模型及其參數值的正確性，也說明了多因素摩擦模型提高了有限元模擬的精度。

A new analytical method for the plane elastic or thermoelastic problem on complex multiply connected region based upon the complex potential theory of elastic mechanics built by muskhelishvili. n. i. by combining the theory of sectionally holomorphic function, cauchy model integral, the analysis of the singularity of complex function and riemann boundary problem, the analysis relation between the complex potentials is obtained, and then the problem is transformed into solving an elementary complex potentials equation

I彈性力學復勢理論的基礎上提出一種處理復雜多連通域平面彈性與熱彈性問題新的分析方法，將復變函數的分區全純函數理論，復勢奇性分析， riemann邊值問題與cauchy型積分相結合，求得各分區復勢的解析關系，將問題歸結為一個初等復勢函數方程的求解。

With the progress of the computer technology, people are beginning to apply the approach that includes the test in laboratory and the numerical simulation to study the process of the flow, the heat transfer and combustion in the chamber

由於爐內換熱過程的復雜性，單純依靠實驗室試驗臺進行研究是很困難的。隨著計算機技術的不斷發展，人們開始尋求用實驗室試驗結合數值模擬的方法來研究爐膛內的流動、傳熱及燃燒過程。

The extreme values of the local steam content in steam generating tubes from the furnace side are shown in fig. 2. as is seen, the critical heat flux levels corresponding to them can reduce to real values in these cases, especially when their mentioned increase in transient processes is taken into account

極值的地方蒸汽量蒸汽發生器管子從爐側列圖.不應純粹是見過的臨界熱流水平相應可以減少實際值在這種情況下，特別是當他們提到增加，在暫態過程中考慮進去

Sweet protein thaumatin has great economic value because thaumatin is a no caloric sweetener that has many advantages such as high sweet intensity, low calories, no toxicity and so on

甜蛋白thaumatin是一種高甜度、低熱量、安全無毒、甜味純正的非糖類新型甜味劑，具有很高的經濟價值。

The pid parameters adjustment methods are studied for single loop - control sy stems ^ cascade control systems, feed forward back forward control systems and 2 * 2 multivariable control systems according to the character of thermal processes control. the optimal adjustment strategy of using simple shape algorithm to search the optimal pid parameters with the initial pid parameter values obtained by related adjustment methods is proposed. the optimal adjustment soft is developed also

針對熱工過程的特點，研究了單迴路控制系統、串級控制系統、前饋-反饋控制系統和2 2多變量控制系統的pid參數整定方法，並在此基礎上提出了以上述各系統的pid參數整定值作為初始參數值，採用單純形演算法對pid參數進行尋優的pid參數優化整定方案，並開發了相應的pid參數優化整定軟體。

Cassava root is used for carbohydrate source in tropical region. quality of cassava starch is variable and affected by many factors. an attempt was made to evaluate the effect of peeling, washing and drying on starch purity and starch paste viscosity. paste viscosity were based on results of rapid visco analysis ( rva ). the results of this study revealed that : peeling, washing and drying temperature significantly affected cassava starch purity and starch paste viscosity. the starch from unpeeling root had a dullness color, but had higher peak viscosity, trough, final viscosity, breakdown and setback than that of starch from peeling root. more washing not only increased starch purity, but also improved starch past characteristics, such as peak viscosity, trough, final viscosity, setback and pasting temperature. different drying temperature had no effect on starch whiteness. starch purity had a little increase with drying temperature increasing. in general trend, starch dried at higher temperature had higher peak viscosity, trough, breakdown, final viscosity and higher setback

木薯在熱帶地區是碳水化合物的主要來源.木薯澱粉的品質受許多因素的影響.本項研究著重探討澱粉提取過程中，削皮、水洗、乾燥溫度對澱粉純度、白度和澱粉糊化粘度的影響.結果表明，未削皮的澱粉樣品色發灰，但具有比削皮處理高的峰值粘度、 95最後粘度、 50時粘度、峰值降和持久性.增加水洗次數，不但能增加澱粉純度，還可提高澱粉高峰值粘度、 95最後粘度、 50時粘度、持久性和糊化溫度.不同乾燥溫度對澱粉白度無影響，但澱粉純度隨乾燥溫度的提高而稍稍增加.通常高的乾燥溫度有高的峰值粘度、 95最後粘度、峰值降、 50時粘度和持久性

At the same time, marketing program makes enterprise carry out overall situation according to change and the present situation of external sale environment and internal resource condition for operation campaign, long - term plan, so as definite enterprise develop direction, center and focal point, develop pattern as well as resource fill, so, reach unification and the coordination between the market sale opportunity of unceasing change and enterprise development

本論文重點研究企業營銷規劃的理論依據及實施方案。針對聯合鋁制散熱器有限公司營銷規劃制定和實施過程中的實際情況，首先研究以客戶導向為中心，將企業戰略作為營銷工作的出發點，在戰略營銷的層面上強調了企業營銷目標不單純是獲得利潤，更重要是贏得客戶價值，從而揭示了營銷規劃與企業戰略規劃之間的必然聯系。