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traditional chemical methods
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  传统的化学方法
     Compare using NIRS and traditional chemical methods for determining whey protein concentrate in protein,fat and moisture content.
     比较了用近红外反射光谱(NIRS)直接测定和用传统的化学方法测定乳清蛋白的蛋白质、脂肪、水分的效果。
短句来源
     In the production of small molecules as either pharmaceutical products or intermediates, the ability of biocatalysis to efficiently introduce chirality distinguishes them from traditional chemical methods.
     在生产小分子的药物及中间体时 ,生物催化或生物转化和传统的化学方法最显著的区别就是非常有效地不对称合成手性化合物 .
短句来源
     Compare using NIRS method and traditional chemical methods determining the protein, fat and moisture content in fishmeal. We discover using NIRS determining fishmeal quality, having excellent result. NIRS method can entirely substitute traditional chemical methods.
     本文比较了用近红外漫反射光谱(NIRS)定量测定和用传统化学方法测定鱼粉中的蛋白质、脂肪和水分含量,结果发现,用近红外漫反射光谱(NIRS)定量测定鱼粉的品质有良好的效果,完全可以替代传统的化学方法
短句来源
  常规化学分析方法
     In order to study the feasibility of rapidly estimating fertilizer contents in dairy based on specific gravity(SG),electrical conductivity(EC) and pH,89 samples were selected from suburb of Beijing. Total nitrogen(TN),total phosphorus(TP),total potassium(TK) and ammonium nitrogen(AN) contents in dairy manure were determined by traditional chemical methods.
     探讨基于相对密度、电导率和pH快速预测奶牛粪便肥料成分含量的可行性,在京郊奶牛场采集代表性样本89份,用实验室常规化学分析方法确定其中氮、磷、钾和铵态氮的含量,使用密度计、电导仪和pH计测定其相对密度、电导率和pH。
短句来源
  “traditional chemical methods”译为未确定词的双语例句
     Ta,Mo,W,Ti,Nb,the refractory impurity elements,in RE metals are dissolved thoroughly with the addition of fluoric acid,and then determined by ICP-MS. The operation process is simpler and more time-saved than that of respective traditional chemical methods.
     针对稀土金属中难熔金属杂质元素Ta、Mo、W、Ti、Nb在HCl或HNO3中不易溶解的性质,本文在前人工作基础上,采用HF络合-ICP-MS结合的方法,有效地将上述元素溶解在溶液中,并利用ICP-MS高灵敏度和多元素同时测定的优势,成功建立了稀土金属中难熔金属杂质元素Ta、Mo、W、Ti、Nb的测定方法。
短句来源
     The results show the method is very rapid and effective,which is correspondent with traditional chemical methods.
     结果表明,与传统的化学法相比,比浊法测定氧化亚铁硫杆菌的数量,进而反映其生长情况和菌液活性是一个快速且行之有效的方法.
短句来源
     There was no significant difference (P≤0.05) in concentrations of reduced sugar, sucrose and total sugar determined by ultrasonics solved from the coupled equations of empirical equation and half-empirical equation, HPLC and traditional chemical methods in nine brands of fruit drinks.
     采用声速与浓度的经验公式和与理论结合的半经验公式组成方程组,对果汁饮料中的还原糖、蔗糖和总糖含量进行分析,与传统检测方法和高效液相色谱法(HPLC)的检测结果一致,其差异不显著(P≤0.05)。
短句来源
     Compared with the traditional chemical methods,the acid,alkali,enzyme method,the supercritical method requires short reaction time and no catalyst.
     与传统的酸、碱催化法以及酶催化法等技术相比,超临界酯交换反应具有不需要催化剂、反应速度快、产物分离简单等突出特点。 缺点在于反应温度和压力条件不够温和,对设备要求较高,操作费用可观。
短句来源
     Compared with traditional chemical methods,This method has many advantages such as low energy consumption, convenient for operation, source recycle,and a few environmental pollution and high purity of product, etc.
     该方法具有收率、纯度高 ,能耗少 ,操作简便 ,资源可循环 ,对环境污染小等优点 ,是一种绿色合成方法 .
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  相似匹配句对
     the incompoundable prodcts by traditional chemical industry opening;
     生产传统的化学工业难以合成的产品;
短句来源
     Study on chemical constituents of traditional tibetan drug
     藏药化学成分的研究
短句来源
     Chemical Sensors
     化学量传感器
短句来源
     Chemical Sensors
     化学量传感器 第五讲 生物传感器 二酶传感器(二)
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     On Traditional M.F and Modern M.F
     论传统物流与现代物流
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  traditional chemical methods
In this paper we report that routine determination of NSC is possible using near-infrared reflectance spectroscopy; the errors of determination are comparable with traditional chemical methods.
      
In addition to these two traditional chemical methods used for legislative purposes, two instrumental methods are available.
      
If successful, the program may prove an effective supplement to traditional chemical methods such as nicotine patches or gum.
      
Firstly traditional chemical methods have been discussed with currently available interpretation schemes.
      
Free acidity One of the best-known conventional analyses is the measure of the free acidity, which is obtained with traditional chemical methods.
      


In polyester production,the determination of PTA in the mmedium product paste isneeded at any time,and Liaohua Polyestor Plant still determine the content of PTA with the traditional chemical method, with pyridine as solvent and NaOH to titrimete PTA directly,while pyridine isvery poisoneous and pollutes the environment. We determine the content of PTA in polyester paste,add a large amount of standard NaOH solution to the paste,with hydrochloric acid standard solution totitriminate the big amount of NaOH...

In polyester production,the determination of PTA in the mmedium product paste isneeded at any time,and Liaohua Polyestor Plant still determine the content of PTA with the traditional chemical method, with pyridine as solvent and NaOH to titrimete PTA directly,while pyridine isvery poisoneous and pollutes the environment. We determine the content of PTA in polyester paste,add a large amount of standard NaOH solution to the paste,with hydrochloric acid standard solution totitriminate the big amount of NaOH solution,and use phenol phthalein as indicator according to theconsumption of hydrochoric acid and the addition of NaOH. We can calculate the content of PTA in thepaste. This is a quick. simple and non poisonous method which can be used in the monitering and determining of chemical production.

在聚酯生产中,需随时对生产聚酯中间产品浆料中的对苯二甲酸(简称PTA)的含量进行准确测量,辽阳石油化纤公司(简称辽化)聚酯厂现仍采用化学方法测量,即以讹咬为溶剂,用NaOH直接滴定PTA,吡啶毒性大,长期使用对人体会造成严重的损害,并且污染环境.现以返滴定方法测定浆料中对苯二甲酸的含量,向浆料中加入过量标准NaOH溶液,然后用盐酸标准溶液滴定过量NaOH溶液,以酚酞为指示剂指示终点.根据所消耗盐酸的量和加入NaOH的量计算出PTA的含量.此法快速、简便、无毒,可用于化工生产监测.

A new preparation method for nanometer zirconia powder is proposed. In low_temperature superalkaline condition,the nuclei of zirconia were synthesized simply by stirring and milling the solid mixture of sodium hydroxide and zirconium oxychloride. After being calcinated at 400 ℃, the nuclei were integrated into tetragonal/cubic phase, whose crystal size was about 7 nm. Compared with traditional chemical methods, this new method is a new method with low energy consumption, convenient for operation...

A new preparation method for nanometer zirconia powder is proposed. In low_temperature superalkaline condition,the nuclei of zirconia were synthesized simply by stirring and milling the solid mixture of sodium hydroxide and zirconium oxychloride. After being calcinated at 400 ℃, the nuclei were integrated into tetragonal/cubic phase, whose crystal size was about 7 nm. Compared with traditional chemical methods, this new method is a new method with low energy consumption, convenient for operation and source recycle, and a few environmental pollution.

以分析纯氢氧化钠和氯氧化锆为原料 ,通过低温强碱合成法简单、方便地合成了二氧化锆晶核 .通过 4 0 0℃的热处理形成四方或立方相二氧化锆超细粉 ,其一次颗粒尺寸约为 7nm左右 .与其他方法相比 ,该方法具有粉末预烧温度低、能耗小、操作简便、资源可循环利用、对环境污染小等优点 ,是一种绿色合成方法 .

Compare using NIRS and traditional chemical methods for determining whey protein concentrate in protein,fat and moisture content.We discover using NIRS determining these three components with satisfied vesult,entirely instead of traditional chemical methods.And this method is rapid,simple and accurate.

比较了用近红外反射光谱(NIRS)直接测定和用传统的化学方法测定乳清蛋白的蛋白质、脂肪、水分的效果。结果发现,用近红外反射光谱法测定3种成分均有很好的效果,完全可以代替传统的化学方法测定。该方法快速、简便、准确。

 
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