高碳醇 的英文怎麼說
中文拼音 [gāotànchún]
高碳醇
英文
higher alcohols-
Presence of vulcan xc - 72 active carbon powder in the pt / moox / gc composite electrode by electrochemical codeposition made peak potential of methanol oxidation a further negative shift of about 50mv and a further promotion of co - tolerant performance for methanol oxidation
催化劑中vulcanxc - 72活性碳粉的引入即共沉積制備的pt moo _ x c gc電極催化劑甲醇氧化峰電位又進一步負移50mv左右，抗co中毒催化性能又進一步提高。Weight watchers, the high - fat atkins diet, the extremely low - fat ornish diet and the high - protein, moderate carbohydrate zone diet all help people lose weight and all reduce cholesterol, but in different ways, the researchers said
研究人員表示，體重監控家，阿特金醫師食肉減肥法，提倡低脂歐寧胥減肥法及低碳水化合物為基礎的高蛋白區域減肥法都可以幫助人們這樣或那樣的減少體重降低膽固醇。Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "
W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0The seasonal changes of total carbohydrate, soluble carbohydrate, starch, mannitol and fructan in the below ground organs of both species showed the same ' down - up - down - up ' trend
5月20日10月15日，羊草和大針茅地下器官中的碳水化合物總量、可溶性碳水化合物含量、澱粉含量、甘露醇含量和果聚糖含量均表現出「降低升高再降低再升高」的特徵。The seed was also rich in total sugar, in crude protein, in amino acid and inorganic elements. in addition, the higher antimicrobial activity of alcohol extracts from the seed and pentadecanoic acid containing 18. 99 % in the unripe seed oils were first found
種子的總糖、粗蛋白、氨基酸、礦質元素含量也較豐富。首次發現種子醇提物有較強的抗菌活性和青果種子油有相對含量高達18 . 99的十五碳烷酸。Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon
採用高錳酸鉀氧化預處理的碳載體比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑，有利於碳載體在前軀體溶液中的分散，容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt （ no _ 2 ） _ 2 （ nh _ 3 ） _ 2作為前軀體，可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應，使得前軀體離子吸附量增大，分散更加均勻，以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。N sources ( including organic and inorganic n tested ) and c sources tested could restrain methane oxidation. cellulose inhibited methane oxidation most weakly while the high concentration of methanol and glucose did dramatically, but the proper concentration of methanol could stimulate soil methane oxidation sharply. in the middle process of methane oxidation, addition of glucose could restrain methane oxidation shortly but the inhibition could be relieved about 5 days later when supplied again with enough oxygen
土壤微生物是甲烷氧化的主要生物類群，含水量對土壤甲烷氧化活性有明顯影響，過高或過低對甲烷氧化均具有抑制作用；氮源（包括有機和無機氮源）對甲烷氧化均有抑制作用；不同碳源對甲烷氧化的影響各異，纖維素對甲烷氧化抑制作用最小，而高濃度的甲醇、葡萄糖則對甲烷氧化具有強烈抑制作用；而適當濃度的甲醇可極大促進土壤對甲烷的氧化：在甲烷氧化過程中加入葡萄糖能迅速抑制甲烷氧化；在加入葡萄糖的同時保持瓶中充足的氧氣，則這種抑制作用可以在重新培養一定時間后得到解除。The experimental results indicate that gypsum is the key influencial factor on the density of the products ; polyvinyl alcohol can improve the product ' s surface quality and reduce its deformation ; meanwhile, the interaction between white carbon black and polyvinyl alcohol has some influence on the density and deformation of the product
結果表明，粉末中石膏含量是影響製件密度的關鍵因素，而聚乙烯醇則可以顯著提高製件的表面質量，減小尺寸變形量，白碳黑和聚乙烯醇的交互作用對製件密度和尺寸變形量也有一定的影響。Intravenous mannitol, high dose methylprednisolone, topical - blocker and oral carbonic anhydrase inhibitor were administered
立即給予靜脈注射甘露醇、高劑量的類固醇、局部乙型阻斷劑與口服碳酸酐抑制劑。The gc - ms analysis indicated that the principal constituent of the volatile oil was alkyl - alcohol and alkene compound ( account for 62 ~ 78 percent of the total ), the content of saturation hydrocarbon and organic acid was in the secondary place
揮發油的gc - ms分析表明：川白芷揮發油的主要成分是烷醇類和碳烯類化合物，含量較高，約占整個揮發油的62 78 ，其次為飽和烴類與有機酸類。The best condition for extracting polysaccharide from porphyridium cruentum were as follow : alcohol concentration was 50 %, alcohol volume was 1 - fold time, percolation time was 0. 5h, the volume ratio of glycoprotein solution to sevag reagent was 2 : 1, time was 45min and sevag reagent was 4 : 1 between chloroform and butanol. the result also indicate that sodium acetate anhydrous and nh4cl were the best carbonic and nitrogen source for polysa
血色紫球藻的最優提取工藝為乙醇濃度50 % ，乙醇用量為1倍體積，醇沉時間為0 . 5小時;氯仿與正丁醇的比例4 : 1 ，樣液與sevag試劑的比例2 : 1 ，作用時間為45min ;五種碳源的影響差異不顯著，氮源的影響差異顯著，其中添加無水乙酸鈉和nh4ci的培養基多糖產率最高，分別為33 . 784mg / l和40 . 997mg / l 。The polysaccharide production were 37. 296mg / l and 12. 961mg / l. the best conditions for extracting polysaccharide from porphyridium purpureum were as follow : alcohol concentration was 75 %, alcohol volume was 2 - fold time, percolation time was 1h, the volume ratio of glycoprotein solution to sevag reagent was 1 : 2, time was 45min and sevag reagent was 3 : 1 between chloroform and butanol. the result also indicate that nahco3 and nh4cl were the best carbonic and nitrogen sources for polysaccharide respectively
淡色紫球藻的最優提取工藝為乙醇濃度75 ，乙醇用量為2倍體積，醇沉時間為1小時；氯仿與正丁醇的比例3 ： 1 ，樣液與sevag試劑的比例1 ： 2 ，作用時間為45min ：由方差分析可得五種碳源和五種氮源對胞外多糖的影響不顯著，添加碳酸氫鈉和摘要nhoci的多糖產率最高，分別為41Deproteinized from crude polysaccharide by adopting sevag method. through orthogonal test, we found that the best constitution for extracting polysaccharide from porphyridium aerugineum 755 were as follow : alcohol concentration was 50 %, alcohol volume was 3 - fold time, percolation time was 1. 5h, the volume ratio of glycoprotein solution to sevag reagent was 1 : 2, time was 15min and sevag reagent was 4 : 1 between chloroform and butanol. the result also indicate that lactose and ( nh4 ) 2so4 were the best carbonic and nitrogen sources for polysaccharide respectively
研究結果表明，三種紫球藻的最佳提取工藝各不相同，銅綠紫球藻的最優提取工藝為乙醇濃度50 ，乙醇用量為3倍體積，醇沉時間為1 . 5小時；氯仿與正丁醇的比例4 ： 1 ，樣液與sevag試劑的比例1 ： 2 ，作用時間為15min ；由方差分析可得五種碳源和五種氮源對胞外多糖的影響不顯著，其中添加乳糖和（ nh _ 4 ） _ 2so _ 4的培養基多糖產率最高，分別為37 . 296mg l和12 . 961mg l 。These results can be used as a reference for optimization of polygeneration systems. the syngas generated from coal needs shifting reaction to adjust h2 / co ratio to fit the methanol synthesis requirement
由煤制得的合成氣經過變換反應達到滿足甲醇合成要求的氫碳比，這一過程消耗了能量但提高了甲醇產率，在不同的甲醇產率下多聯產系統的效率隨之改變。For farmers, plantation of sweet sorghum can earn 100 150 yuan more than plantation of corn. one ton of fuel ethanol can replace one tone of fuel oil ; replacement of one ton of fuel oil means reduction of 3 tons of co2 emission, which may be support by the cdm mechanism. application of fuel ethanol can decrease the pollutant emission from vehicles and thus improve the atmosphere environment
本項技術成熟效益明顯：農民種植甜高粱比種玉米每畝地可多收入100 150元每噸燃料乙醇可以替代1噸燃料油每替代1噸燃料油，可減排二氧化碳3噸，可獲得cdm機制的優惠支持同時減少汽車有害氣體排放，有利於大氣環境改善。分享友人