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acid removal
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  脱酸
     The experiment results showedthat under the conditions of a temperature of 55℃, a solvent containing alcohol, isopropanol and ammonia of 50%, 15% and 2% by molar respectively, a solvent to oil volume ratio of 1. 0, stirring speed 250r/min, reaction time 30min and settling time 80min, the said method had good removal effect of naphthenic acid on Sudanese high acid number crude, the acid removal rate was higher than 92% after the secondary extraction.
     结果表明,在温度55℃,溶剂配比(体积分数)为乙醇50%、异丙醇15%、氨2%,剂油体积比为1.0,搅拌速率250 r/min,反应时间30 min,沉降时间80 min的条件下,使用复合溶剂氨法脱除苏丹高酸值原油中的环烷酸具有良好的脱酸效果,二次脱除率在92%以上。
短句来源
     The results indicate that the best extraction conditions are: the mass fraction of NaOH is 1.5%,the volume proportion of alcohol to alkal is 3∶1,the volume of solvent-oil ratio is 35% and acid removal rate is 94%.
     结果表明,最佳萃取条件是NaOH质量分数为1.5%,醇碱体积比3∶1,剂油体积比35%,脱酸率为94%;
短句来源
     Compared with the original process,in the optimized process with furfural composite solvent,the selectivity of acid removal was increased by 246.6%,the yield of the treated transformer oil was increased by more than 20.1%,the dosage of extractant was decreased by 40%,the cost of extractant per ton was decreased by about 30% and the energy consumption for regeneration would be greatly reduced.
     研究表明:与原有糠醛精制工艺相比较,优化工艺采用研制的糠醛复合剂,脱酸选择性提高246.6%,精制油收率提高20.1%以上,萃取剂用量下降40%,萃取剂吨成本下降约30%,再生能耗也将大幅度下降。
短句来源
     LABORATORY STUDY ON ACID REMOVAL FROM HEAVY ATMOSPHERIC DISTILLATE BY MICROWAVE RADIATION
     重质常压馏分油微波辐射脱酸的实验室研究
短句来源
     In order to solve some problems in the process of furfural extraction for transformer oil,such as the low selectivity of acid removal,the low yield of products,the high cost of extractant and the high energy consumption for regeneration of the used extractant,the process optimization was carried out.
     为了解决糠醛精制变压器油工艺中存在脱酸选择性低、产品收率低、萃取剂成本和再生能耗高等问题,对糠醛精制工艺进行了优化研究。
短句来源
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  酸的脱除率
     Temperature was one of the main factors, which determined the acid removal reaction.
     温度是脱酸反应的主要影响因素 ,在反应温度为 4 2 0~ 4 4 0℃时石油酸的脱除率随温度升高而增加较快 ;
短句来源
     Temperature is one of the main factors that determine the acid removal reaction.
     在反应温度为420~440℃时,随着温度的升高,石油酸的脱除率增加较快;
短句来源
  “acid removal”译为未确定词的双语例句
     The influence of various factors on the coagulation was studied,in order to reach the maximum humic acid removal and the minimum aluminium residue simultaneously. Results showed that residual humic acid was controlled below 0.04 cm-1 and residual aluminium kept at about 0.1 mg/L in water with pH value between 6 and 6.5,the AlCl3 dosage of 0.5×10~(-3) mol/L,under the temperature of 20℃.
     应用强化混凝控制最大的有机物去除和最小的残留铝,实验结果表明,在20℃,pH为6~6.5,AlCl3的投加量在0.5×10~(-3) mol/L,控制水中的剩余腐殖酸在0.04 cm~(-1)以下,并能同时有效控制残留铝在0.1 mg/L左右。
短句来源
     Using CaC2 for acid–removal and dehydrationt,hree kinds of pesticide emusifiable solution with water content and acid content above specification were treated with CaC2.The effects of CaC2/ emusifiable solution ratio,particle size and reaction time on acid removal and dehydration were studied.
     以CaC2为除酸、脱水剂,对酸、水超标的3种农药乳油进行了一次性除酸脱水处理,研究了原料比(CaC2∶乳油)、粒度、反应时间对除酸、脱水的影响。
短句来源
     Study on the kinetics of hydrochloric acid removal by calcium compound
     钙化物对HCl的脱除动力学研究
短句来源
     Because the suspended granule concentration changes with seasons,the influence of the kaoline dosage on the humic acid removal process was studied.
     同时由于原水中悬浮颗粒随季节变化,模拟了不同量的高岭土对腐殖酸去除过程的影响,发现高岭土的存在能在一定程度上降低剩余腐殖酸和残留铝的浓度。
短句来源
     The results showed that:(1)Compared with traditional production of acid removal by evaporation, new technology by washing dregs with hot water could decrease acid of re-fermentative dregs significantly (p<0.05),the acid could be controlled within 2.0;
     实验结果表明,“热水喷淋洗糟降酸”新工艺与传统的“蒸汽加热排酸”工艺相比,回糟降酸显著(p<0.05),可控制在2.0以内;
短句来源
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  acid removal
Influence of sialic acid removal on MUC1 antigenic reactivity in head and neck carcinoma
      
Nitrilotriacetic acid removal in septic tanks: A field study
      
The profile can also be widened by reducing the efficiency of acid removal to the plate by its preliminary acid saturation.
      
Concentration with Selective Acid Removal from Americium Solutions Using Ion Exchange Membranes
      
In rat kidney some structures became negative while others retained the lectin-gold staining due to binding to penultimate.N-acetylgalactosamine exposed after sialic acid removal.
      
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Using salts for the dissociation of yeast nucleoproteiu complex to obtain IYP with low content of nucleic acids was studied. The effects of various salts, their concentration, temperature and so forth on the nucleic acid content of IYP were explored systematically. The results showed that the effectiveness of various salts on the dissociation of nucleoprotein followed the lyotropic series. The treatment of 2% nucleoprotein with 0.5M NaC1O4 at 25℃ resulted in nucleic acid removal of about 80%. This method...

Using salts for the dissociation of yeast nucleoproteiu complex to obtain IYP with low content of nucleic acids was studied. The effects of various salts, their concentration, temperature and so forth on the nucleic acid content of IYP were explored systematically. The results showed that the effectiveness of various salts on the dissociation of nucleoprotein followed the lyotropic series. The treatment of 2% nucleoprotein with 0.5M NaC1O4 at 25℃ resulted in nucleic acid removal of about 80%. This method is more economical and practical than other present methods of acid treatment, alkaline treatment and enzymatic treatment.

本文研究了用盐析法解离酵母核蛋白以获得低核酸酵母蛋白分离物的方法,系统地考察了盐的种类、浓度、温度等条件对酵母蛋白分离物(IYP)核酸含量的影响。结果表明,不同的盐对核蛋白解离的影响符合离子感胶序,在25℃下,用0.5M的NaClO_4处理2%的核蛋白溶液,可除去其中80%左右的核酸,与现有的碱法、酸法、酶法等方法相比,该法经济实用性较好。

The acetic acid formed by blockin8 of polyether must be removed in order to guarantee polyether's quality. The influence of technological conditions (vacuum, gas flowerate, agitation speed)and difference of stripping gases on deacidification were examined in 1L and 12L kettles. The result showed high vacuum and gas flowrate,intensive agitation were favorable to acid removal. At 130℃ keepping vacuum 532×10~2Pa, agitation speed 400 rpm and air flowerate 8.9m~3/m~3. min,for 2 hours of treatment,the acid...

The acetic acid formed by blockin8 of polyether must be removed in order to guarantee polyether's quality. The influence of technological conditions (vacuum, gas flowerate, agitation speed)and difference of stripping gases on deacidification were examined in 1L and 12L kettles. The result showed high vacuum and gas flowrate,intensive agitation were favorable to acid removal. At 130℃ keepping vacuum 532×10~2Pa, agitation speed 400 rpm and air flowerate 8.9m~3/m~3. min,for 2 hours of treatment,the acid value of polyether was lowered below 0.3mgKOH/g. The use of nitrogen as stripping gas was better than that of air.

聚醚封端后生成的醋酸必须脱除以保证聚醚质量。本文在1L及12L釜内考察了工艺条件(真空度、通气量、搅拌速度)和不同解吸气体对脱酸的影响。实验证明,提高真空度和搅拌速度,增加通气量均可提高脱酸率。在130℃时保持真空度533×10~2Pa,搅拌速度400r/min和空气流量8.9m~3/m~3·min。经2小时处理后聚醚酸值可降至0.3mg KOH/g以下。使用氮气脱酸的效果优于空气。

A continuously operating pilot plant consisting of a two - sarge A/O bio film system and a biological activated carbon unit was used to treat a wastewater from a fine TPA production process. It was found that when the pilot plant was operated at a hydraulic residence time (HRT) of 40 h with an influent having a COD., concentration of I I cling/L, then the second stage of the A/O system and the biological activated carbon unit had their effluentS with a CODe, concentration of 82 mg/ L and 55 mg/ L respectively,...

A continuously operating pilot plant consisting of a two - sarge A/O bio film system and a biological activated carbon unit was used to treat a wastewater from a fine TPA production process. It was found that when the pilot plant was operated at a hydraulic residence time (HRT) of 40 h with an influent having a COD., concentration of I I cling/L, then the second stage of the A/O system and the biological activated carbon unit had their effluentS with a CODe, concentration of 82 mg/ L and 55 mg/ L respectively, and a corresponding CODe, removal of 92% and 95%, respectively. When the pilot plant was operated at a HRT of 32 h with an influent having a CODe, concentration of 1112 mg/ L, the second stage of the A/O system and the biological AC unit had their effluents with a CODcr, concentration of 86 mg/ L and 64 mg/ L respectively, and a corresponding CODe, removal of 92% and 95%, respectively. Under the above conditions of operation,the second stage of the A/O system had a TA (total acid) removal of 93% for both cases.

在含两级A/O和生物炭的连续运行试验装置上处理PTA废水,结果表明:进水CODcr为1101mg/L,HRT为40h,O2段和生物炭出水中残余CODcr分别为82mg/L和55mg/L,相应CODcr去除率分别为92%和95%;进水CODcr为1112mg/L,HRT为32h,O2段和生物炭出水中残余CODcr分别为86mg/L和64mg/L,其去除率分别为92%和95%;在上述试验条件下刀;段TA去除率均为93%。

 
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