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合成工艺条件     
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  synthetic conditions
     The experiment results showed that the optimum synthetic conditions were as follows:Cr 3+ ∶glutamic acid=1∶1.5 (mol/mol),pH6.5~7.0,reaction temperature 80~90℃,reaction time 3h,the yield of product is about 65%.
     实验结果表明,最佳的合成工艺条件为:Cr3+∶谷氨酸(mol/moL) = 1∶1-5 ,反应温度80 ~90 ℃,反应时间3h ,pH6-5 ~7-0 ,产率达65 % 。
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     By single-factor experiments,the optimum synthetic conditions are achieved as follows: n(2-sec-butylphenol)∶n(nitric acid)=1∶3.0,ω(nitric acid)=50%,catalyst amount is 10% of mass of 2-sec-butylphenol,reaction time is 4 h and temperature is 45℃,and the yield of DNBP is 86.8% and its purity is above 98.5%.
     通过单因素实验确定最佳的合成工艺条件如下:n(邻仲丁基苯酚)∶n(硝酸)=1∶3.0、ω(硝酸)=50%、甲基磺酸用量为10%(以邻仲丁基苯酚质量计)、反应时间为4 h、反应温度为45℃,此时DNBP产率达86.8%、纯度高于98.5%。
短句来源
     The experiment results showed the optimum synthetic conditions as follows: Cr 3+ ∶glutamic acid∶nicotinic acid=1∶1.2∶1.2 (mol∶mol∶mol), pH7.0~7.5, reaction temperature 70~80℃,reaction time 3h. The yield of product was about 60%.
     实验结果表明 ,最佳的合成工艺条件为Cr3+ :谷氨酸 :烟酸 (摩尔比 ) =1∶1.2∶1.2 ,反应温度 70~ 80℃ ,反应时间 3h ,pH7.0~ 7.5,产率达 6 0 %。
短句来源
     The synthetic conditions are studied by orthogonal experiments. The optimum rection conditions are as follows: the mole ratio of the monomers is n(MA)∶n(AA)=2∶1 and n(MA+AA)∶n(NaH_2PO_2)=15∶1, the mass of initiator is 1.5% of the monomers,the reaction temperature is 70℃,time is 3.5h.
     通过正交实验对合成工艺条件进行了优化,最佳合成工艺条件为,单体配比n(MA)∶n(AA)=2∶1(摩尔比),n(MA+AA)∶n(NaH2PO2)=15∶1(摩尔比),催化剂为单体总质量的1.5%,反应温度为70℃,反应时间3 5h.
短句来源
     Its optimal synthetic conditions were found as follows: AA 0. 4 mol, AMPS 0. 03 mol, sodium persulfate 0. 03 mol, sodium hypophosphite 0. 02 mol, reaction temperature 70℃, dropping time 1 h, reaction time 2 h.
     共聚物的最佳合成工艺条件是:AA/AMPS/过硫酸钠/次磷酸钠(摩尔比)=0.4:0.03:0.03:0.02,反应温度70℃,滴加时间1 h,反应时间2 h。
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  synthesis conditions
     The effects of synthesis conditions on the yield were investigated and the optimum syn-thesis conditions were determind as follows: n (2,5 - dimethyl - 3 - furanthiol) : n (furoyl chloride) : n (pyridine) = 1:1.5 : 1.5, reaction temperature 5 ℃, reaction time 1.5 h.
     考察了工艺条件对产物收率的影响,确定了最佳合成工艺条件:n(2,5-二甲基-3-呋喃硫醇):n(糠酰氯):n(吡啶)=1.0:1.5:1.5,乙醚加入量10 mL,反应温度5℃,反应时间1.5 h。
短句来源
     The optimized synthesis conditions of PGES is that: Penicillin 172.6g, PAA 150ml, PNBB 100g, the temperature -10℃, pH 4~6. The yield of .
     7-苯乙酰氨基青霉素亚砜对硝基苄基酯(PGES)的合成工艺条件:青霉素G钾盐172.6g,对硝基苄基氯100g,过氧乙酸150ml,氧化温度-10℃,氧化反应pH范围是4~6。
短句来源
     The best synthesis conditions are as follows:the monomers mole ratio is n(AMPS)∶n(AA)∶n(MAA)=2∶10∶7, the amount of initiator 1.0%,the reaction temperature and time are 75℃ and 4h respectively. The terpolymer has good properties of inhibiting CaCO_3and Ca_3(PO_4)_2 scale.
     最佳合成工艺条件为,单体配比n(AMPS)∶n(AA)∶n(MAA)=2∶10∶7(摩尔比),引发剂用量1.0%(占单体总质量),反应温度为75℃,反应时间为4h,合成的三元共聚物对CaCO3,Ca3(PO4)2有较好的阻垢分散性能.
短句来源
     The title product is possessed of better stability, tanning and filling retanning properties. By experimental study, the optimum synthesis conditions were obtained as follows:(1)hydroxymethylation reaction stage:n(HCHO)∶n (melamine+dicyandiamide+urea)=3~ 4∶1,reaction temperature 80~80℃, reaction time 0.5~1h,pH 8~9;
     通过试验研究 ,优化出最佳合成工艺条件为 :(1 )羟甲基化反应阶段 :n(甲醛 ) /n(三聚氰胺 +双氰胺 +尿素 ) =3~ 4∶1 ,反应温度 80~ 85℃ ,反应时间 0 5~ 1h ,pH为 8~ 9;
短句来源
     The optimum conditions of synthesizing polyacrylamide are carried out by using homogenous design and nonlinear neural network data processing method. The result shows that the optimum theoretic synthesis conditions while the concentration of polyacrylamide is 20% are as follows: the mass ratio of initiator to acryl amide is 0.25%,the mass ratio of chain transfer agent to acryl amide is 1.75%,the ratio of alcohol to water is 0.25 and the reaction time is 4hr.
     通过人工神经网络的方法优化聚丙烯酰胺的合成工艺,并利用神经网络的处理方法对结果进行非线性拟合,得到单体浓度为20%的聚丙烯酰胺的理论较佳合成工艺条件为:引发剂与丙烯酰胺的质量比为0.25%,分子量调节剂与丙烯酰胺的质量比为1.75%,乙醇和水的质量比为0.25,反应时间为4hr。
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  synthesis condition
     The optimized synthesis condition of CAG is that: PGES 50g, NCP 39.3g SnCl_4 31.4ml, reflux for 76h. The yield of CAG is about 65% based on the weight.
     7-苯乙酰氨基-3-环外亚甲基青霉素亚砜对硝基苄基酯(CAG)合成工艺条件:PGES 50g,N-氯邻苯二甲酰亚胺39.3g,四氯化锡31.4ml,回流除水时间72小时,此条件下,CAG质量收率可达65%。
短句来源
     The optimum synthesis condition of ethyl ferulate which screened out by orthogonal experiment : (1)the ratio of ethanol/ferulic acid is 6:1, (2)the reaction time is 8 hours, (3)the dosage of catalyzer is ferulic acid's 12%.
     正交实验设计筛选出合成阿魏酸乙酯的最佳合成工艺条件是:①醇/酸比为6:1; ②反应时间为8小时;
短句来源
     The four-component graft copolymerization of SBS/MMA-BA and its property were studied in the presence of crosslinking monomer N-MAA. The optimum synthesis condition was obtained in the discussion on the effect of initiator concentration, N-MAA content,mononer concentration,reaction time and temperature on the graft copolymer.
     在交联单体N—MMA存在下,研究了SBS/MMA—BA四元枝共聚反应及其产物性能,讨论了引发剂浓度、N—MMA用量、单体配比、反应时间及反应温度对接枝聚合物的影响,获得了最佳合成工艺条件.
短句来源
     The article exerted intercross experiment method to search the synthesis condition, and then make the best synthesis craft. Under the following condition:MCM-41(T)catalyst, nitric acid, reaction temperature 76℃, reaction time 7h,the yield of nitrobenzene 83.6%.
     以MCM-41(T)分子筛为催化剂,以硝酸作硝化试剂,运用正交试验法对合成工艺条件进行探索,筛选出最优合成条件,硝基苯的收率达83.6%。
短句来源
     From the investigation of optimizing reaction condition, We get the optimum synthesis condition of CLT acid. The total yield of CLT acid increased from 62 percent by the batch operation to about 65 percent the once-through operation.
     通过对反应工艺条件的优化研究,获得了较佳的合成工艺条件,CLT酸的总收率由分批操作的约62%提高到约65%。
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  synthesis process conditions
     The synthesis process conditions were optimized as followed: mole ratio of ethylene oxide and fatty alcohol 2. 0, mole ratio of fatty alcohol polyoxyethylene and phosphorus pentoxide 3.8, phosphorus pentoxide feeding time 1. 5 h, esterification temperature 70℃ and time 3. 0 h, tri-ethanolamine amount 0. 73 - 0. 76 higher times than fatty alcohol polyoxyethylene phosphonate amount.
     结果表明,最佳合成工艺条件为:环氧乙烷与脂肪醇的摩尔比为2.0,脂肪醇聚氧乙烯醚与五氧化二磷的摩尔比为3.8,五氧化二磷投料时间1.5 h,酯化温度70℃,酯化反应时间3.0 h,三乙醇胺的加入量是脂肪醇聚氧乙烯醚磷酸酯的0.73-0.76 倍。
短句来源
     The synthesis process conditions and product quality standards of MD-30 series flotation reagents are presented.
     介绍了MD-30系列浮选药剂的合成工艺条件和产品质量标准。
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  synthetic conditions
The effects of factors such as the synthetic material compositions, ultrasound time and annealed temperature on phosphorescent brightness of sample were studied and the optimum synthetic conditions were determined.
      
Dependence of the properties of Ce-Zr-Y-La-M-O systems on synthetic conditions and on the nature of the transition metal M (Mn,
      
The effects of synthetic conditions, component ratios, and the nature of the transition metal on the physicochemical and catalytic properties of Ce-Zr-Y-La-M-O (M = Mn, Fe, Co) systems are studied.
      
The kinetic model can be used in the determination of optimal synthetic conditions and in the design of a reactor for diphenylamine synthesis from aniline and cyclohexanol.
      
Synthetic conditions are optimized and physicochemical and sorption characteristics of the resulting polyelectrolytes are examined.
      
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  synthesis conditions
A conclusion is drawn that, under the chosen synthesis conditions of the mesophase materials, the packing density of surfactant molecules in encapsulated micelles increases with the lengthening of the alkyl radical.
      
Influence of Synthesis Conditions on the Electrokinetic Characteristics of Titanium-Oxygen Nanostructures
      
Influence of synthesis conditions of titanium-oxygen nanostructures on their electrochemical behavior is studied.
      
Synthesis conditions that make it possible to obtain (on the boehmite substrate) nanostructures with electrosurface characteristics similar to the properties of corresponding bulk oxides were determined.
      
Dielectric Parameters of the Model Semielectrics Polyacenequinones and Their Dependence on Synthesis Conditions
      
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  synthesis condition
The synthesis condition, structure, and morphology of the samples were characterized and analysed by thermogravimetric analysis (TG), differential thermal analysis (DTA), X-ray diffraction (XRD) and transmission electron microscopy (TEM).
      
The synthesis condition and properties of the latex were investigated.
      
In this paper, cotton fibres were used as bio-template to successfully synthesize new ceramic materials, ZnO hollow fibres and in an effort to explore the synthesis condition, and simplify the synthesis procedure.
      
Interestingly, thermal analysis (DTA/TGA) data indicate that the solution synthesis condition seems to affect the crystallization activation energy and onset temperature, which varies from 530 to 680°C.
      
Under this synthesis condition, TiO2 nanoparticles, which were spherical with diameters approximately ranging from 30 to 60 nm, were synthesized.
      
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