氫化度 的英文怎麼說
中文拼音 [qīnghuàdù]
氫化度
英文
degree of hydrogenation-
As compared with the pressure of carrier gas, the subatmospheric pressure is more favourable condition to atomize the hydride, so the atomization temperature was lower ( about 650 )
由於硒化氫的原子化是在負壓下完成的,它將比常壓或載氣壓力下更有利於氫化物的原子化,因而使硒化氫原子化的最佳溫度降低。Rufifacies, peak 16 ( unknown ) and 25 ( 11 -, 13 -, 15 - methyl - hentriacontane ) for b. peregrina and peak 3 ( unknown ), 4 ( tricosene ) and 23 ( unknown ) for p. crassipalpis. additionally, the models were developed respectively to determine the larval age of different flies accurately. 2 temperature effects of time - associated characteristic in cuticular hydrocarbons of aldrichina grahami larva highly significant correlation were observed between the relative abundance of some larval cuticular hydrocarbons associated with gas chromatographic peaks and the chronological age of al
2溫度對巨尾阿麗蠅幼蟲表皮碳氫化合物組成時間特徵的影響及日齡推斷模型的建立巨尾阿麗蠅幼蟲表皮碳氫化合物組份色譜峰,即p30 (二十五烯a ) 、 p33 (正二十五烷) 、 p48 (二十七烯a ) 、 p49 (二十七烯b )和p79 (正三十一烷)含量與幼蟲日齡呈極顯著相關,且在不同恆溫( 16 、 20 、 24和28 )下的變化趨勢基本一致。These results show that the function of coelomic fluid is not to oxidize sulfide but to store it. in a word, the u. unicinctus can tolerate high sulfide concentrations and low oxygen concentrations, and its tolerating mechanism is complex and versatile
總之,單環刺?具有較強的硫化物耐受能力,其硫化物耐受機制是復雜的、多方位的,並且更適應硫化氫濃度隨潮汐等外界因素不斷變化的環境。Using magnesium hydride as a destabilizer for lithium borohydride, for instance, lowers the release temperature from 400 to 275 degrees c
舉例來說,以氫化鎂當做硼氫化鋰的去穩定劑,可以將釋放氣體所需的溫度從400降到275 。Nano - alkali metal hydrides and lanthanide hydrides can be prepared easily by the direct hydrogenation catalyzed by ticl4 in tetrahydrofunan ( thf ) under normal pressure. lanthanide powder of nanometric size in a finely dispersed active form was generated by the thermal decomposition of organolanthanide in vacuum. 1
本文應用絡合催化法,在常溫常壓下,在萘/ ticl4催化體系作用下合成納米尺寸堿金屬氫化物(以nah為代表) 、納米尺寸鑭系金屬氫化物(以smh3為代表)和鑭系金屬有機化合物(以蒽鑭為代表) ,並通過真空熱解鑭系金屬有機化合物得到高分散度的納米尺寸鑭系金屬粉末(以la為代表) ,主要考察如下三個方面的內容。4. flaw because the exhausting black smoke s temparature we use on spare generator is lower, granular pollutant s emmision capacity is large, and is easy to get granular pollutant jamming on channels. it will always need to disassemble parts and take back to original factory for regeneration, and it can not improve effectively hc and co in exhaust smoke
4 .缺點:使用於備載發電機排煙溫度較低,因此粒狀污染物排放量大,容易粒狀污染物儲塞于通道上,須一時拆卸回原廠再生,且無法有效改善排煙中碳氫化合物及一氧化碳。Monitoring the density of hydrogen phosphide in the air of underground grain depots
地下糧庫空氣中磷化氫濃度檢測分析In the molecular orbital theory, the molecule of the conjugated hydrocarbons considered generally can be represented in carbon - atom skeleton graph, the character of this kind of graphs is that all vertices have degree no greater than three and have a perfect matching
在分子軌道理論中,所考慮的共軛碳氫化合物的分子常用碳原子骨架圖來表示,此類圖的特徵是所有頂點的度不超過3 ,並且具有完美匹配。Natural gas - determination of composition with defined uncertainty by gas chromatography - determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to c8 using two packed columns
天然氣.用氣相色譜法測定規定不確定度組分.利用兩個封裝柱進行氫氦氧氮二氧化碳和c8碳氫化合物的測定Natural gas - determination of composition with defined uncertainty by gas chromatography - determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and c1 to c8 hydrocarbons using three capillary columns
天然氣.用氣相色譜法測定具有規定不定度的成分.用三毛細管柱測定氫氦氧氮二氧化碳和cdown1至cdown8的碳氫化合物According to the features of naphthenic base oil ( i. e., high nitrogen and low sulfur content ) and based upon theoretical analysis of the h2s concentration needed for phase equilibrium of nickel sulfide and tungsten sulfide in hydrogen, the most economic quantity of sulfiding agent injected into the reactor for supplement of sulfur in lube oil hydrogenation catalysts was obtained
摘要針對環烷基油高氮、低硫的特點,通過對硫化鎢和硫化鎳在氫氣中相平衡態所需硫化氫濃度的理論分析,對反應器入口所需補硫量作了詳細的闡述,得出了最經濟的補充注硫量。The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms
其中主要影響因素包括:菌種的影響,菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率;石油物質本身物理化學特性的影響,如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性;生存環境條件的影響,在接種入高效率的降解菌或利用土著微生物進行降解時,降解率受到生存環境中各種條件的影響,如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。Standard practice for glass transition temperatures of hydrocarbon resins by differential scanning calorimetry
用差分式掃描熱量儀測定碳氫化合物樹脂玻璃導熱溫度的標準實施規程The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算,結果表明: ( 1 )以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的; ( 2 )壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小,對優化結果影響不大; ( 3 )裝置經過技術改造后循環氫純度過高,可以減少放空以節省能耗; ( 4 )建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。The cop of mhhp rises with temperature increasing of driving heat source, while the range of temperature upgrading reduces with the temperature increasing of driving heat source
金屬氫化物熱泵的性能系數隨驅動熱源溫度的升高而增大,但溫升幅度隨驅動熱源溫度的升高而減小。To hydrogenated amorphous silicon ( a - si : h ), however, it has much less defects than non - hydrogenated a - si, for the sake of much hydrogen which eliminate the defects by making a bond with non - connected si bond. with these virtue, a - si : h accord with device quality. the films of a - si : h have widely used in solar cell, film transistor and flat display
對于氫化非晶硅( a - si : h ) ,由於氫通過無連接端的硅原子鍵合來消除缺陷,使得氫化非晶硅的缺陷密度比未氫化的非晶硅大大降低了,從而使氫化非晶硅符合器件級質量材料的要求。We found that hydrogen content incorporated as monohydride maintains constant and hydrogen content incorporated as polyhydride gradually decreases with the increase of substrate temperature
我們發現,隨著襯底溫度升高,以單氫化合物結合的氫含量基本保持不變,而以多氫化合物結合的氫含量逐步減少。The photoelectric property of a - si : h films is closely associated with hydrogen content in films. on the one hand, hydrogen incorporated as monohydride ( si - h ) saturates dangling bonds in films, and on the other hand, hydrogen incorporated as polyhydride ( si - h2, si - h3, ( si - h2 ) n ) introduces defect in films and thus increases the density of localized electronic states in band gap
A - si : h薄膜的光電特性同膜中的氫存在密切關系,一方面,氫以單氫化合物( si - h )方式結合到膜中,從而飽和了膜中的懸掛鍵;另一方面,氫以多氫化合物( si - h2 、 si - h3和( si - h2 ) n )方式結合到膜中,反而在膜中引入了缺陷,使帶隙中的局域態密度增大。With increasing the temperature, the de - hydrogenation capacity and the kinetics of the dehydriding were increased. after hydrogenation at 473 k, and dehydrogenation at 523 k, the maximum desorption capacity of mg - 15 wt % mg2ni - 0. 5 wt % tio2 composites can reach 5. 8 wt %
納米tio _ 2對mg - mg _ 2ni復相合金放氫動力學性能也有一定的催化作用,添加了納米tio _ 2的合金可以有更好的放氫速度和放氫量。The influences of process condition for the expansion bed process for passivation of presifided hydrogenation catalysts on their sulfiding degree and hydrogenation ( hyd ) activity were investigated
摘要研究了預硫化催化劑膨脹床鈍化工藝條件對催化劑加氫( hyd )活性和硫化度的影響。分享友人