質量分數 的英文怎麼說

中文拼音 [zhíliángfēnshǔ]
質量分數 英文
mass fraction
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. Determination of trace elements in silkworm chrysalis - digested protein

    蠶蛹酶解蛋白中微量元素的質量分數分析
  2. If the content of cholesterol was more than 0. 05 mg / g, the vegetable oil was considered to have mixed with hogwash oil

    使用這種方法，當食用植物油中摻有10 % （質量分數）以上的地溝油時，即可檢出。
  3. The colour of illite jade is of distinct gradation which is related to the content of hematite in different sedimentary bed

    該玉石的顏色層次結構清楚，分界明顯，與不同沉積層中赤鐵礦的質量分數有關。
  4. The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness

    本文利用金相法（包括黑白金相和彩色金相） 、 x射線衍射（ xrd ） 、掃描電子顯微鏡（ sem ） 、能譜（ eds ）及洛氏硬度分析儀等手段，對復合軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w （其它部分如未作特殊註明均為質量分數）合金系的顯微組織、熱處理工藝及性能進行了系統地分析。
  5. To determine the vitriolic solute quality mark in sewage does following tests : take 10 grams this sewage, chase to the middle of sewage drop join solute quality mark to change sodium solution for the oxyhydrogen of 4 %, if plan institute is shown, the ph change of the quality of solution of natrium of oxidation of place drop hydrogenation and solution concerns

    為測定污水中硫酸的溶質質量分數做如下實驗：取10克該污水，向污水中逐滴加入溶質質量分數為4 %的氫氧化鈉溶液，所滴加氫氧化鈉溶液的質量與溶液的ph變化關系如圖所示。
  6. After vacuum concentrating and discoloring with 1. 5 % h2o2, then adding mixed fatty acid or mixed fatty acid ethyl ester as a fluidizing liquor, the hydrated rapeseed phosphatide can be mixed with 50 % soybean meal and 50 % diatomite to manufacture a premixed feed from rapeseed phosphatide, which can obviously improve the production performance when applied to feed giant freshwater prawn and duck

    摘要菜籽水化磷脂經真空濃縮，用質量分數1 . 5 %雙氧水脫色，然後添加適量混合脂肪酸或混合脂肪酸乙酯作流質劑，與50 %豆粕加50 %硅藻土組成的混合載體製成磷脂預混飼料，用於飼喂羅氏沼蝦和蛋鴨，生產性能明顯提高。
  7. 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。
  8. Concentration of harmful trace elements in no. 2 - 2 coal seam of majiata strip mine

    馬家塔礦煤層中有害痕量元素的質量分數特性
  9. With phosphato - tungstic acid as catalyst and phosphoric acid as dehydrant, n - phenylmaleimide was prepared from aniline and maleic anhydride by two - step method. the yield was 88. 7 % and the purity was 98. 2 %

    以順酐和苯胺為原料，磷鎢酸作催化劑，磷酸作脫水劑，採用兩步法制得n -苯基馬來酰亞胺，得到最佳反應工藝條件，產品收率為88 . 7 % ，純度為98 . 2 % （質量分數） 。
  10. Calculate according to the experiment please the vitriolic solute quality mark in this sewage

    請根據實驗計算該污水中硫酸的溶質質量分數。
  11. The influences of structure variables such as impeller types, baffle configurations, gas sparger, and operational variables such as gas rate, particle fraction on critical suspension speed of floating particle in an agitated vessel were investigated

    摘要探討了攪拌槳型、擋板和氣體分佈器等結構因素及氣體流量、顆粒質量分數等工藝因素對下沉顆粒三相體系臨界攪拌轉速的影響。
  12. In order to obtain higher and stable vermicularity, it ' s necessary to keep the sulphur content of the base iron melt in the range of 0. 01 ~ 0. 03 % by desulphurizing treatment in ladle, adopt cored wire injection vermicularizing process and strict test and control measures

    國外為獲得高蠕化率，一般採用爐外脫硫，使原鐵液硫量（質量分數）穩定在0 . 01 % ~ 0 . 03 % ，並採用喂絲蠕化處理法和嚴格的檢測手段。
  13. Furthermore, the effects of chitosan concentration, amount of chitosan coated on veneer and different dyeing methods on the color fastness of dyed veneer are discussed in detail

    探討了不同殼聚糖質量分數、塗刷量、處理方法對染色單板的固色效果。
  14. Fucoidan was extracted from the brown seaweed by ultrasonic wave assisted extraction. the weight percent of " sulfate and polysaccharide " reached 22. 49 % and 36. 97 %, respectively

    摘要研究了超聲波輔助提取褐藻糖膠的新工藝，以「硫酸根多糖」質量分數作為產品的主要理化指標，得到優化的提取工藝。硫酸根和多糖質量分數分別達到22 . 49 %和36 . 97 % 。
  15. The results show that, the more soil lead pollution concentration is high, the more heavy metal lead is absorbed by maize plant, and the more maize plant growth influenced is graveness

    結果表明：土壤重金屬鉛污染質量分數越高，玉米吸收重金屬鉛越多，對玉米的生長影響越大。
  16. The contents of rare - earth element in coals are correlative to the contents of the ash of these coals, with a few of coal samples showing exceptional high contents of rare - earth element due to the presence of the heavy mineral assemblages

    煤的稀土元素質量分數與灰分質量分數呈正相關關系，部分煤樣品由於有富稀土元素的重礦物組合的存在而出現稀土元素的異常高值。
  17. We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine

    通過實測的示功圖，經過計算整理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉角、最高壓力升高率及其對應曲軸轉角、已燃質量分數、燃燒放熱率等物理量，可供進一步分析和揭示發動機缸內燃燒過程。
  18. Under experimental condition, the seeds of mosla chinensis maxim were pretreated with single and combined chemicals, and consequently indicated that : germination of such seeds in wet sand germinating bed was easier by kno3 ( 1. 0 % ) than that by other singgle chemical and combined chemicals

    摘要在試驗條件下，分別用幾種不同的試劑單獨或聯合對石香蕾種子進行預處理，結果表明：用質量分數1 . 0 %的kno3進行預處理的石香薷種子，在濕沙發芽床上萌發效果較其它不同濃度的試劑均要好，而幾種試劑聯合預處理對石香薷種子萌發的促進作用不明顯。
  19. Comparing to the traditional production technology, the new methanol synthesis process has many advantages which are as follows, high conversion of synthesis - gas per pass, high methanol concentration at reactor exit, isothermal temperature in slurry bed, easy temperature control, simple heat exchanging, excellent technology economy characters and so on. so it becomes a new technology for methanol production that has great industry application

    與傳統生產工藝相比，三相淤漿床甲醇合成工藝具有單程轉化率高，出口甲醇質量分數高；床層等溫，反應條件優良；溫度易於控制，換熱簡單；生產的技術經濟指標優良等特點，因此成為一種應用前景非常廣闊的新興甲醇生產新技術1 。
  20. Abstract : the effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested. the effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested. the retrieval technology of effective chlorine in mother liquor of calcium hypochlorite was researched, and the effects of cycle number on effective chlorine content of calcium hypochlorite were tested. the results indicate that when sodium hydroxide concentration is 333. 3 g / l, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is highest, that when mesh number of standard sieve is 180 mesh, the effective chlorine content of calcium hypochlorite is higher, but the passing sieve rate is not too low, that the cycle number has no remarkable effect on the effective chlorine content of calcium hypochlorite, and the effective chlorine content of calcium hypochlorite is basically above 80 %

    文摘:測試了燒堿質量分數和氯化溫度對漂粉精有效氯含量的影響，測試了分鹽用標準篩目數對漂粉精有效氯含量和過篩率的影響.研究了漂粉精母液中有效氯的回用工藝流程，並測試了循環次數對漂粉精有效氯含量的影響.結果表明，燒堿質量分數為25 、氯化溫度為20時，漂粉精的有效氯含量最高；標準篩目數為180目時，漂粉精的有效氯含量較高而過篩率不太低；循環次數對漂粉精有效氯含量沒有顯著影響，並且漂粉精有效氯含量基本上可以達到80以上
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