果烷 的英文怎麼說

中文拼音 [guǒwán]
果烷 英文
fructan
  • : Ⅰ名詞1 (果子) fruit 2 (事情的結局; 結果) result ; consequence 3 (姓氏) a surname Ⅱ動詞(吃...
  • : 名詞[化學] (有機化合物的一類) alkane
  1. Dithiocyanomethane is an efficient, broad - spectrum germicide and algaecide, displaying strong exterminating effects against germs, fungus and algae existing in circulating water. it maintains long - term effects and is applicable to broad ph value and temperature ranges

    二硫氰基甲是一種高效廣譜的殺菌滅藻劑,對于循環水中存在的主要細菌真菌和藻類都具有高效的殺滅效,而且藥效維持時間長,適應的ph值和溫度范圍較寬。
  2. Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals.

    在一芳香環上一個取代鏈的消失,結出現自由基。
  3. In the paper the solubilities of anthracene, phenanthrene and carbazole are studied in benzene, toluene, xylene, the heavy solvent oil, clohexane, dmf, pyridine, cyclohexanone and acetone, and qualitative analysis is done by three aspects in the process of the solute dissolved the solvent : ( l ) the molecular struture and the interspace struture ; ( 2 ) reciprocity force of the intermolecule ; ( 3 ) the cohesion energy

    本文考察了蒽、菲、咔唑在苯、甲苯、二甲苯、重溶劑油、環己、 dmf 、吡啶、環己酮和丙酮等有機溶劑中的溶解度。並從三個方面對溶劑溶解固體定性分析: ( 1 )分子結構及空間結構, ( 2 )分子之間相互作用力, ( 3 )內聚能,得到的結與實驗得到的數據基本一致。
  4. Best concentration of ions is 1. 5mol / l and dispersant pvp monomer 0. 8mol / l. spin - coating speed, which affected the quality of limn2o4 film greatly, was also studied. it demonstrated that smooth limn2o4 film without cracks could formed under 2000 rotates / min with the solution cion = 1. 5mol / l, cpvp = 0. 8mol / l, what ’ s more, fewest spin - coating times were needed at that speed

    實驗結表明:採用離子總濃度溶液為1 . 5mol / l ,聚乙烯吡咯酮單元濃度為0 . 8mol / l的溶液旋轉塗覆時,轉速在2000轉/分鐘時最佳,所得到的濕limn204薄膜平整光滑均勻,加熱后無龜裂現象。
  5. Method for determination of ethane dibromideresidues in fruit for export

    出口水中二溴乙殘留量檢驗方法
  6. This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically

    本文初選出部分有機相變貯能材料,採用步冷曲線法測定了12醇-羧酸系列、 18-羧酸系列、 18- 12醇體系共11組體系的二元固液相平衡關系,繪制了這11組體系的t - x相圖,測定結表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定;並對18-羧酸系列進行了熱力學理論預測。
  7. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球兩種裸子植物化石中分別鑒定了51個和19個揮發性成分,類型涉及烴、烯、醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  8. Study on the effect of sulfury fluoride and methyl bromide combination fumigating containers

    溴甲聯合熏蒸集裝箱消毒殺蟲滅鼠效
  9. Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch

    利用所得到的w o型澱粉微乳液作為微型反應器,以環氧氯丙為交聯劑制備出澱粉納米粒,並藉助透射電鏡的表徵研究了各制備因素的影響,研究結表明:澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制,而影響界面強度的因素主要是r值(即水與表面活性劑的摩爾比值)及澱粉液濃度。
  10. Experimental results show that the pls model gains higher prediction accuracy with the mean prediction error 0. 2 octane number. 3

    實驗結表明pls模型在預測精度上優于mlr模型,其平均預測誤差0 . 2個辛值單位,完全可以滿足實際應用的需要。
  11. The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface

    用吊環法測定了十二基硫酸鈉水溶液不同濃度與其界面張力的關系,擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ,同時還測得其臨界膠束濃度值( cmc為6 . 5 10 ~ ( - 3 ) m ) ,運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系,結論表明: ( 1 )動態法測定結基本吻合吉布斯方程的理論計算; ( 2 )表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。
  12. The results also show liaohe oil aloes turn heavier fr om low sulphur middle - paraphin base to low sulphur naphthene middle base

    分析結同時也證明,遼河原油確實在變重,由低硫中間-石蠟基向低硫環-中間基方向發展。
  13. Multivariate analyses were applied to calculate the odds ratios of leucopenia or neutropenia for exposure groups versus unexposed group

    我們的結發現除了環氧乙和工程兩組,其餘6組的白血球減少和中性球減少盛行率均未超過6 % 。
  14. Two kinds of compound ( nonylphenol and octyl phenol ) can not only decrease the number of the reproduction, but also affect the parthenogenesis of daphnia magua straus

    表明,急性毒性較大的基酚,例如4 -辛基酚和4 -壬基酚對大型蚤的生殖毒性產生影響。
  15. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。
  16. The result indicate that spumescence capability of myristyl lycine is strongest, lauryl lycine take second place ; myristyl and cetyl lycine have better washing and decontamination capability, myristyl lycine is best for foam taking dirt ; comparatively speaking, those with longer carbon chain have better action of adding dissolve and decentralization capacity of calcium soap

    表明:十四基甜菜堿的起泡力較強,十二基的次之;十四、十六基甜菜堿的洗滌力較強,十四基的洗滌力更強;相對碳鏈長的甜菜堿活性劑具有較好的加溶作用和鈣皂分散力。
  17. Liquid - liquid equilibria data for musk ketone, musk xylene, dimethyl sulfoxide ( or acetonitrile ) and heptane ( or cyclohexane ) quaternary systems were measured firstly to evaluate the effect of the two liquid phase on the separation of musks mixture

    摘要本文計算並測定了酮麝香、二甲苯麝香、二甲基亞碸(或乙腈)和庚(或環己)四元體系的液液相平衡,試驗結與計算值基本吻合。
  18. The result shows that the addition of pbo, bi2o3, in2o3 in zinc electrode can improve the morphology of zinc deposition and prevent it from dendrite growth and deformation. and also, the dendrite growth of zinc was inhibited by the addition of c16 ( ch3 ) 3nbr in the electrolytes through the absorption in active sites on the surface of zinc electrode which will suppress zinc deposition

    實驗結表明:在電極中適量添加pbo 、 bi _ 2o _ 3 、 in _ 2o _ 3三種金屬氧化物可以明顯改善鋅沉積形態、抑制鋅枝晶和變形;十六基三甲基溴化銨通過在鋅電極表面的活性中心上特性吸附,抑制鋅在這些位置的沉積,產生較均勻的沉積,從而達到抑制枝晶的效
  19. The result shows that the greater positive influence is from the dissolutions of carotene and browning reaction, next come the cembratriendid compounds and hypoglycemia compounds, while the negative influence is from indoles, toluene and some aldehydes, and the negative influence from the dissolutions of carotene and browning reaction is less

    表明,對評吸結影響較大的是胡蘿卜素降解產物類和棕色化反應產物類;類西柏類和苯丙氨酸類中性致香物質的貢獻較小;負面影響較大的成分主要集中在吲哚、甲苯及一些醛類上,類胡蘿卜素降解產物類和棕色化反應產物類中的個別成分也有一定的負面影響。
  20. Three kinds of microbe, i. e. methane - oxidizing bacteria, anaerobic cellulose - decomposing bacteria and sulfate - reducing bacteria, were selected for experimental study, so the disturbance of surface biochemical effect was effectively inhibited, thus causing the microbiological anomaly to be able to reflect objectively the deep - seated hydrocarbon micro - leakage, it is pointed out that the result of predicting subsurface hydrocarbon distribution by use of the microbiological anomalies is obvious

    選擇三種微生物指標:甲氧化菌、厭氧纖維素分解菌和硫酸鹽還原菌進行試驗研究,有效地抑制了地表生物化學作用的干擾,使微生物異常能夠較客觀反映地下深部油氣微滲漏情況,微生物異常預測地下油氣的分佈,效顯著。
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