降溫反應 的英文怎麼說
中文拼音 [jiàngwēnfǎnyīng]
降溫反應
英文
hypothermic response- 降 : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 降溫 : 1 (降低溫度) lower the temperature (as in a workshop); cooling; hypothermia; hypothermy 2 [氣...
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At 100 to 150, both the toughness and the molecular weight decreased during the process of amination, but the transformation ratio of the amination reaction increased rapidly ; above 150, both the toughness and the molecular weight increased and transformation ratio of the amination slightly increased, and reached completely amination
亞胺化過程中,當溫度從100升至150時,不同熱處理階段薄膜的韌性和分子量均下降,亞胺化反應轉化率上升較快; 150后,其韌性和分子量均升高,亞胺化反應轉化率上升趨于緩慢,最終達到完全亞胺化。Abstract : through analysis of the components of coking on different parts of desullfur system of single tower and the waste water containing sulfur, we find the cause of coking in the stripping desulur system from single tower is the polymerization reaction of carbohydrate and the separattion of varied solid powders, organic compounds, and all corrosive productions of metal out of waste water in high temperature, therefore, the solving method is how to decrease the oil content, how to depolymerize form the carbohydrate and how to antisepticize by vapour of waste water
文摘:對單塔脫硫系統中不同部位的垢物及現場催化含硫污水進行了分析測定,結果表明:塔內污垢成分及含量隨塔體部位的不同而不盡相同,單塔汽提脫硫系統中垢物的形成,主要是由於污水中所含各類粉塵、有機物、金屬腐蝕物等在高溫下因石油碳氫化合物的析出及其單體的聚合反應所致.如何降低污水中的含油成分、減少聚合反應的生成、防止污水蒸氣對塔體材料的腐蝕,是阻垢、除垢和防垢應解決的關鍵問題The normal response to a drop in body temperature is peripheral vasoconstricition.
體溫下降時正常的反應是周圍血管收縮。According to finite element segmentation principle, by combining test with observation, the author has measured the air streamline and speed distribution of burning equipment in dally situation, which provides some guide for research of air field in hearth on cold and hot conditions. and the law is found of air speed distribution by measuring its speed and distribution of upper and lower deck on cold condition, thus it lays the foundation for analysis on hot condition. under four burning states, we measure the air speed in single, double - deck, and find out its corresponding distribution law
5 .根據有限元分割原理布置測點,採用降溫方法,用k五江9106等儀器分別測出單雙爐排燃燒方式4種不同工況下,該燃燒設備爐膛內coz 、 02 、 co氣體濃度,並找到了隨爐膛高度方向及深度方向變化規律;從燃燒原理分析評價了2種燃燒方式爐膛內coz 、 02 、 co氣體濃度場分佈特點及相應燃料層內乾燥、干餾、氧化、還原、灰渣層厚度,肯定了雙層爐排燃燒方式爐膛中c02 、 02 、 co氣體濃度場分佈合理性,從燃燒理論找出了最佳濃度場分佈狀態及燃料層內各反應層厚度。The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of
對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增長,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生長的碳化層的晶粒取向一致性明顯更好。There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete
水電行業有句「無壩不裂」的俗話,產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %
本研究分離出的6株菌,初步鑒定結果為: sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬;實驗結果表明, 6菌株的最佳氮源為氯化銨( nh _ 4cl ) ,最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物,最適生長條件為:溫度為30 ,初始ph值為7 8 ,搖床轉速為180r min ,鹽( nacl )濃度為1 ;通過降解實驗得出6株菌對原油都有較強的降解能力,單一菌株在5天後的原油降解率都高於60 , 6株菌對原油的生物降解反應符合一級反應動力學特徵。The results of the uni - factor experiments and perpendicular experiments show their best mechanic synthesizing craft as followed : nvp ( 10 % wt ), kh570 ( 20 % wt ), hema ( 70 % wt ), initiator ( 0. 2 % wt ), crosslinker ( 20 % wt ), reacting 20 hours under 80 c. the factors which influenced organic silicon modified pvp hydrogel soft contact lens material ' s swelling capabilities were researched, which included temperature, monomer content, ion concentration etc. the experiments showed the equation swelling content ewc improved with the increase of nw, droped with the increase of kh570 and ion concentration, improved then droped with the raise of temperature, and hydrogels got the least ewc at 45 c. experiment carried on todiscuss water dehydration mechanism of organic silicon modified pvp hydrogel soft contact lens materials, which showed dehydration process could be divided into evaporating stage and diffusing stage
正交實驗結果表明, nvp ? hema ? kh570共聚物的機械性能最佳時,其合成工藝條件為: nvp用量10 (質量百分含量,下同) , kh570用量20 , hema用量70 ,引發劑aibn用量0 . 2 ,交聯劑nmba用量0 . 2 ,反應溫度為80 ,反應時間16h 。討論了單體配比、溶脹溫度、離子濃度等因素對有機硅改性pvp水凝膠軟接觸透鏡材料溶脹性能的影響。實驗得出:水凝膠材料的平衡溶脹度ewc隨單體nvp含量的增加而增大, ewc隨kh570用量的增加而減小,隨離子濃度的增大而略微降低,隨溶脹溫度的升高先稍微下降後有所提高, 45時平衡含水量最低。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 。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象,考慮滲流與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明,高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用The compound apparently reproduced many classic responses to caloric restriction ? among them reduced tumor growth ( a response only slightly less robust than the well - known extension of life span ), lowered temperature, elevated levels of glucocorticoid hormones and reduced numbers of reproductive cycles
這個化合物顯然重現許多限食的典型反應,其中包括抑制腫瘤的生長(只略遜于眾所周知的延長壽命) 、體溫下降、糖皮質素濃度上升,以及生殖周期數目減少。So some methods suitable to large plasmid extraction, including lysis by sds and a method from a literature, were used to try to extract the large plasmid from the strain cell. the lysis reactions in these two methods are gentle, so the large plasmid cannot be injured in the lysis process, opposite to lysis by alkali. it would be helpful to keep the integrality of the large plasmid during the extraction
因此我們採用了適合於大質粒提取的sds法,和文獻中應用於硝基苯降解性質粒的提取方法,來嘗試對菌株細胞進行質粒提取,這兩種方法裂解反應溫和,不會像堿裂解法那樣,在裂解過程中損壞質粒,可以實現質粒提取的完整性。It is necessary to make more profound research in the field of settlement prediction. in this dissertation, on base of the existing work, the three - point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three - point method, and as a result an improved three - point method was put out ; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on " law of massaction ". the predictive result was ideal as we applied it to the 3. rd coalfield project of wenzhou power plant and project of wenzhou peninsula, which shows that the model deserve use in much more projects
本文在對國內外關于地基沉降預測理論的研究進行綜述的基礎上,首先對工程中常用的三點法進行了細致深入的研究,指出以工程實測數據證明的現有三點法在應用時存在的不足,針對該不足進行了探討,並在此分析基礎上提出了預測結果更為理想的改進三點法;其次區別傳統沉降預測方法的研究途徑,本文從沉降過程的發展特徵出發,根據描述物化反應過程發展特徵的質量作用定律原理,探討了一種新的地基沉降預測方法:地基沉降預測的「質量作用定律」模型;本文還以溫州三期煤場工程及溫州淺灘圍塗促淤工程為背景,對上述改進三點法、地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了比較,認為這些方法是可行的,並得出一些有用結論。In addition, some experts think that aggressively treating all fevers actually interferes with your body ' s immune response
除此而外,有些專家認為,強行降體溫事實上會干擾身體的免疫反應。The result shows that argon gas can not only promote the excitation of plasma at low pressure, but also improve discharge state, increase the density and activation of reaction radical and improve the quality of diamond films. on the other side, argon can cool the plasma and maintain low temperature of substrate due to its big ionization section and high collision probability with gas molecules
結果表明,氣體系統中引入氬氣一方面不僅有利於維持低壓放電,而且改善放電狀態,提高反應活性基濃度和活性,提高低溫沉積金剛石膜的質量;另一方面,由於其大的電離截面使其和電子碰撞的幾率大大提高,對等離子體進行冷卻,有利於基片溫度的降低。The research of this text is about stopping " alkali - aggregate reaction ", reducing concretes exothermic peak, controling the internal concrete adiabatic storage and using the microexpansivity of magnesia to make up the shrinkage production in the later harden
本文從防止「堿集料反應」 、降低水泥水化放熱峰、控制混凝土內部絕熱溫升和利用mgo微膨脹補償水泥石硬化後期產生的收縮等方面進行研究與探討。It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates
結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速率明顯降低;低溫時,水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。In addition, the model of interaction of water and temperature between field water vaporization and soil water storage, temperature and millet weight is gotten by field trial. 2. the ammonia volatilizing of fertilizer is suit to the dynamic equation as y = a + bt, the coefficients in the equation are related to the kind of fertilizer, temperature and water content of soil, and the dynamic equation about ammonia volatilization including water and temperature and the is developed
肥料氨累積揮發量符合零級反應動力學方程y = a + bt ,方程中系數與肥料種類、溫度和土壤含水量有關,碳銨a 、 b值均比硫酸銨高,土壤含水量增大, a 、 b值降低,溫度升高, a 、 b值增大,並由此得到含溫度或土壤濕度因子的肥料氨揮發動力學方程,並建立了含水、熱因子的肥料氨揮發水熱耦合效應動力學方程。The influences of ca / s ratio, the temperature of flue gas, the amount of injection water and the direction of the nozzle on the efficiencies of flue gas desulfurization were studied
結果表明,在135以下,增大鈣硫比有利於提高脫硫率;在不低於100時,盡可能降低反應溫度有利於提高脫硫率;在t不小於15時,增大噴水量有利於提高脫硫率。On the other hand, when ph value and coating temperature decreased and the nh4oh dosage increased, the stability of the bath was increased
降低反應的溫度、提高氨水用量、降低ph值可使鍍液穩定性大為提高。分享友人