物質的量 的英文怎麼說
中文拼音 [wùzhídeliáng]
物質的量
英文
amount of substance-
Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5
摘要用環烷酸鈷與氯化鋅復配的新型催化劑,以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚,通過正交實驗確定的較佳工藝參數為:鄰苯二酚:異丁烯(物質的量比) 1 : 1 . 15 ,鄰苯二酚:催化劑(質量比) 100 : 20 ,烷基化反應溫度100 5 。It is often convenient to use the mole to describe the amount of substance.
用摩爾來表示物質的量通常是很方便的。And the adsorbability of this novel adso rbent for ldl was determined. in order to prepare the solid supports in accordance with with the request of adsorbent for ldl, paam beads were synthesized by inverse suspension polymerization. the composition of the polymerization system is shown as follows : the concentration of monomer and dispersant are 12 % and 0. 65 % respectively, the volume ratio of oil / water isl : 3, the mole ratio of aam and mba is 18 : 1
本文用反相懸浮聚合法合成符合ldl吸附劑載體要求的聚丙烯酰胺微珠,經實驗篩選出反應體系所需的最佳單體濃度( 12 ) 、最佳分散劑用量( 0 . 65 ) 、最佳油水比值( 1 : 3 ) 、最佳單體( aam )與交聯劑( mba )的物質的量之比( 18 : 1 ) 。The units of temperature, pressure, and amount of substance cancelled out.
溫度、壓力和物質的量的單位相消。It also means that the quantity of a given chemical entity not destroyed by the reaction must remain constant.
它還意味著已知化學物質的量不但不會被反應所改變而且必須保持恆定。3. co - al ldh was treated by hydrothermal method at 130 ? for 16h
Aic 。物質的量之比為卜的coa !Amount - of - substance concentration of b
物質的量濃度An amount of vapor, smoke, or similar material released in a puff
煙,蒸汽量在一次呼氣中散發出的蒸汽、煙霧或類似物質的量Amount of substance
物質的量Plants and animals will be protected if the amount of radioactivity released into an area is low enough to be safe for human beings
如果釋放到一個區域的放射性物質的量低至對人體不構成損害,那麼植物體和動物也不會受到影響。The effects of the mole ratio of anhydride to amino group of chitosan in the feed solution on the solubility, intrinsic viscosity and molecule weight of the product were studied
研究了投料物質的量比對產物的溶解性、特性黏度和相對分子質量的影響。The activity of different solid acids and influences of reaction temperature, molar ratio of benzene and nitrating agent on benzene nitrofication were discussed
討論各種固體酸催化劑對苯硝化的催化活性、反應溫度、苯與硝化劑物質的量比等工藝條件對硝基苯基本收率的影響。The factors influencing on the yield of benzyl propionate, such as the dosage of catalyst, molar ratio of benzyl alcohol to propionic acid, reaction time and the amount of cyclohexane and so on, were investigated
考察了催化劑用量、苯甲醇與丙酸物質的量比、反應時間和帶水劑環己烷用量等因素對丙酸芐酯收率的影響。The optimal synthetic conditions obtained was n ( dac ) : n ( am ) = 2 : 3, v ( oil ) : v ( water ) = 1 : 1. 2 and redox initiator or high water - soluble initiator
在單體物質的量比為2 : 3 ,油水體積比為1 : 1 . 2 ,引發劑為氧化還原引發劑或高效水溶性引發劑的條件下,得到了溶解迅速且絮凝效果好的產品。However, such an " anti - periodic table of elements " is thought to be, at best, highly unlikely, as the quantities of antimatter required would be, quite literally, astronomical
然而,如此的一個被想象的「元素反周期表」 ,充其量,可能性不大,照字面上理解如同必需的反物質的量會是大得無法估計那樣。When the molar ratio of titanate, water and ethanol is 1 : 2. 5 : 25, ph value is controlled about 4. 0, calculation temperature as 600, and calcinations time is two hours, the ultrafine product is prepared. the temperature of polymorphic transition between anatase and rutile of dy - doped tio2 is higher than the temperature of transition of pure tio2. the rare earth improves the hot stability of the power
研究發現,當鈦酸丁脂、水、和乙醇的物質的量的比為1 : 2 . 5 : 25時, ph值控制在4 . 0左右,煅燒溫度為600 ,保溫2小時后獲得粒徑非常細小的不同化學計量比組成的氧化鈦和氧化鏑的復合氧化物。Based on gagne ' s study result classification theory, the article makes a task analysis of the " amount of substance " section and points out the problems which should be paid attention to in practice
文章結合「物質的量」一節教學實際,就如何運用加涅的學習結果分類理論指導任務教學任務分析,以及在應用實踐中應注意的問題提出了新的認識和看法。This system employed ch2cl2 as the initiator, the reaction mixture of 1mol equiv. of dichloride iron ( fecl2. 4h2o ) and 2mol equiv. of triphenylphosphine ( pph3 ) as the catalyst
此體系以結構簡單的二氯甲烷為引發劑,以物質的量比為1 2的四水合氯化亞鐵與三苯基膦的反應產物作催化劑。By using the othogonal test of l9 ( 3 ^ 3 ), the regeneration of ureaformaldehyde gel, was studied and the optimum operation conditions were determined : the mass ratio of formaldehyde ( 37 % ) to gels is 2. 5 : 1, the final motar ratio of regenerative resin is 1. 3 : 1 ( f : u )
摘要選用正交l9 ( 3 ^ 3 )試驗研究了脲醛樹脂凝膠的再生樹脂,分析試驗結果得出了脲醛樹脂凝膠的再生樹脂的最佳工藝條件:甲醛( 37 % )與樹脂凝膠質量比為2 . 5 : 1 ,再生樹脂的甲醛與尿素終物質的量比1 . 3 : 1 。Based on those practical examples of the qualitative change of matter owing to the quantitative change and the change of movement, this article has explained the application of the exchange rule of quantity and quantity in chemistry, which is helpful to understand basic rules of chemical movement
摘要從「物質的量」及「運動的量」的改變引起物質性質的改變的實例,說明了質量互變規律在化學中的應用,有助於理解、掌握化學運動的基本規律。分享友人