fraction of mass 中文意思是什麼

fraction of mass 解釋
質量濃度
  • fraction : n. 1. 小部分，碎片，片斷。2. 一些，一點兒。3. 【化學】分餾，分層，分級。4. 【宗教】聖餐麵包分切式。5. 【數學】分數。
  • of : OF ＝Old French 古法語。
  • mass : n 彌撒；彌撒的儀式[禱告、音樂]；彌撒曲。 a high [solemn] Mass （有燒香、奏樂等的）大彌撒。 a low ...
  1. The result showed that non - enzymatic browning of greengage juice could be inhibited and natural primrose yellow could be kept in the plasming of greengage by adding 0. 2 % ( mass fraction ) sodium erythorbate ; non - enzymatic browning of greengage juice was restrained more remarkably by vacuum concentration than by normal pressure concentration ; the non - enzymatic browning of greengage juice increased and the color darkened with the increase of concentration and processing temperature ; non - enzymatic browning of greengage juice in the storage could be inhibited under the condition of low temperature, and frozen storage was the best store method of greengage concentrated juice

    摘要結果表明：在青梅果打漿時加入質量分數為0 . 2 %的異抗壞血酸鈉，可防止果汁氧化褐變而保持天然淡黃色澤；減壓濃縮較常壓濃縮明顯抑制了非酶褐變的發生；隨著果汁含量和加工溫度的提高，非酶褐變加快，色澤加深；低溫有利於青梅濃縮汁的貯藏，冷凍貯藏是最佳的貯藏條件。
  2. It is shown that paraffin can be uniformly absorbed into the pore network of expanded graphite, that expanded graphite remains its vermiform structure in pcms, that the phase - change temperatures of composite pcms are similar to that of paraffin, and that the latent heat of composite pcms is are based on the mass fraction of paraffin in the composite materials

    結果表明：膨脹石墨吸附石蠟后仍然保持了原來疏鬆多孔的蠕蟲狀形態，石蠟被膨脹石墨微孔所吸附；復合相變儲熱材料的相變溫度與石蠟相似，其相變潛熱與基於復合材料中石蠟含量的潛熱計算值相當。
  3. When the water mass fraction of the substrate is about 4500, its ec can be predicted accurately by both the power function as well as the linear function models

    控制基質質量含水率在45 %左右的條件下，用冪函數和線性函數預測基質電導率都獲得了較高的精度。
  4. For the conditions shown, maximum performance occurs at an additive mass fraction of 23%.

    在所給定的條件下，最大性能是添加劑質量分量的23處。
  5. Mass fraction of surfactants sdbs is 0. 02

    分散劑十二烷基苯磺酸鈉質量的分數為0 . 02 。
  6. Research on the relation of mass fraction of micro - aggregation and nutrient factor in pteridium aquilinum ' s producing area

    野生蕨菜產地土壤微團聚體質量分數與養分因子關系研究
  7. Method for hydrocarbon types analysis of gas - oil saturates fraction by mass spectrometry

    重餾份石油飽和烴族組成質譜分析方法
  8. Ambient air quality - standard gravimetric measurement method for the determination of the pm 2, 5 mass fraction of suspended particulate matter

    環境空氣質量.用標準重力測量法測定懸浮顆粒物的pm2 . 5質量系數
  9. Optimum dispersant mass fraction of - al2o3 aqueous suspension investigated by viscometer

    3水懸浮體系的最佳分散劑質量分數
  10. Behavior of flow and heat transfer in venturi tube was simulated numerically and the relationships of outlet temperature, mass fraction of vapor and pressure loss with spraying flow rate were obtained

    當噴射流量小於臨界噴射流量時，出口爐氣的溫度和水蒸氣質量分數隨噴射流量的增大分別呈線性下降和上升關系；當噴射流量大於臨界噴射流量時，爐氣降溫和水蒸氣質量分數增長不顯著。
  11. Materials and articles in contact with foodstuffs - plastics - polymeric additives - test method for the determination of the mass fraction of a polymeric additive that lies below 1000 daltons

    接觸食品的材料和物品.塑料.聚合添加劑. 1000道爾頓以下的聚合添加劑的質量系數測定的試驗方法
  12. Organic geochemical measurements of geological samples - method for hydrocarbon types analysis of gas - oil saturates fraction by mass spectrometry

    地質樣品有機地化測試重餾分石油飽和烴族組成質譜分析方法
  13. Secondly, for the first time, by volume average concept and reynolds time - average method, a 3d quasi - single phase mass transfer model of distillation tray is deduced by considering the effects of velocity fluctuation, concentration fluctuation and volume fraction of gas and liquid on mass transfer. a source item sc for interphase mass transfer is considered. by applying conventional method of estimating the interphase mass transfer coefficient, a formula for sc is obtained

    其次，採用體平均概念、雷諾時均化方法結合塔板氣液相互作用的實際情況首次推導了考慮速度、濃度脈動項和氣、液相含率影響的塔板三維擬單相流湍流傳質模型，源相中考慮了氣液相間傳質項sc ，並運用化工中關于相間傳質系數計算的理論，推導了sc的表達式。
  14. Sodium hydroxide for chemical fiber - determination method of mass fraction

    化纖用氫氧化鈉含量的測定方法
  15. Experimental study of influences of mass fraction of mixtures on auto - cascade refrigeration cycle

    混合工質配比對自動復疊製冷循環影響的試驗研究
  16. Standard test methods for determination of mass fraction of carbon, nitrogen, and oxygen in silicon nitride powder

    測定氮化硅粉末中碳氮氧的質量比值的標準試驗方法
  17. The results show that the yield of terephthalic acid increases and the mass fraction of 4 - carboxybenzaldehyde decreases when the reflux temperature or the reaction pressure increases, or when the reflux ratio decreases, but that the combustion rate of p - xylene and acetic acid increase simultaneously

    計算表明：冷凝迴流溫度的升高、迴流比的降低和反應壓力的升高都導致反應溫度增加，雖然醋酸和對二甲苯的副反應消耗增加，但液相中對羧基苯甲醛的質量分數降低和反應收率增加。
  18. Ambient air quality - standard gravimetric measurement method for the determination of the pm2, 5 mass fraction of suspended particulate matter ; german version en 14907 : 2005

    環境空氣質量.懸浮顆粒物質的pm2 . 5質量部分的測定用
  19. Although most galaxies have a central black hole, it is a small fraction of the galaxy ' s mass

    雖然大多數星系中心都有一個黑洞，但那隻佔了星系總質量的一小部份。
  20. The result showed when common montmorillonite, in which the mass fraction of montmorillonite was 75 %, was used as modifier, the bending modulus of the compound increased by more than 60 %, impact strength increased by a factor of 2, recovery ratio reduced 35 %, and the compound had good processability

    結果表明，在採用蒙脫石質量分數為75 %的普通蒙脫土時，專用料彎曲模量提高60 %以上，沖擊強度提高一倍，回縮率降低35 % ，並且加工性能良好。
分享友人
分享到 Line

分享到臉書