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在同一溶液
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  the same solution
     Masking and de masking of Mg 2+ with HAA (acetylacetone,abbreviated as HAA) for direct titration of calcium and magnesium with EDTA in the same solution,same pH(pH=10),same indicator and at the same standard solution(EDTA).
     用HAA( 乙酰丙酮) 掩蔽和解蔽Mg2 + ,在同一溶液中,同一pH 值(pH10) 、指示剂和标准溶液(EDTA) 直接连续滴定Ca2+ 、Mg2+ 。
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     The test results show that comparing to standard method the accuracy of the measured results is setisfactory when the total nitrogen and phosphorus is determined within the same solution by adjusting the dosage of sodium hydroxide and potassium persulfate at 126~128℃ with a waiting time of 10min.
     试验结果表明,调节氢氧化钠和过硫酸钾的用量,在同一溶液内测定总氮、总磷,并且将测定条件改为126~128℃,消解10min,其测定结果和与标准方法对照,精密度及准确度均令人满意。
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     Colorless stable complex compound can be formed from zirconium or hafnium oxide ion under the heating condition and acidity of 1.1 - 1.3 mol/L hydrochloric acid. Extra EDTA is added in the same solution to adjust pH value and zinc acetate standard solution is dripped in return to the extra EDTA to realize continuous determination of zircon and aluminum oxide.
     在1.1-1.3mol/L盐酸酸度和加热条件下,锆英粉中锆(铪)氧离子与EDTA形成无色稳定络合物,在同一溶液中,加入过量的EDTA,调节PH值,用醋酸锌标准溶液回滴过量的EDTA,实现二氧化锆和三氧化二铝的连续测定。
短句来源
     Because Co(Ⅱ) reacting with nitrite R salt produces red complex in the same solution, Fe(Ⅱ) has also the some absorption influence on the determination of Co at wavelength of 500nm.
     钴在同一溶液中与R盐生成红色络合物,在500nm测定钴时铁也有吸收。
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     This paper describes the method for measuring Cu, Mg, Pb, Cd and Fe in cast Alloy Using absorption spectrophotometry, Measuring contionus in the same solution through test condition,rerifies this method not be disturbed each other by etements in solution, and shows this method has the advantage of accuracy, quick and simple.
     就锌基合金中的Cu、Mg、Pb、Cd、Fe元素的测定,采用原子吸收分光光度法,在同一溶液中连续测定,通过试验条件的测试,验证该方法不受彼此元素的干扰,可不经杂质分离,从而具有准确、快速、简便的特点。
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  “在同一溶液”译为未确定词的双语例句
     The interference of main coexisting elements Si, Fe, AI, Ca, Mg, K, Na is eliminated by adding releasing agent La~(3+)(2.50mg/ml) and anti-ionizerK~+(1.00mg /ml).
     对一些主要共存元素Si、Fe、Al、Ca、Mg、K、Na对Cs、Sr测量的干扰,以及干扰的消除进行了某些研究。 加入1.00mg/mlK+作为消电离剂,2.50mg/ml La~(3+)作为释放剂,在同一溶液中进行Cs、Sr连续测定。
短句来源
     The self-made CL P350 was used as extracting-washing resin,the impurity elements except Cd(Ⅱ) were washed out by 3 mol/L HCl 1 mol/L HBr as flow phase,and then Cd(Ⅱ) was washed out by NH3 NH4Br buffer(pH =9) ,the impurity elements were separated from indium base and determind by ICP-MS.
     采用自制CL-P350萃淋树脂,用3mol/LHCl-1mol/LHBr作流动相,洗脱除Cd(Ⅱ)以外杂质元素,继而用0.5mol/LNH3-NH4Br缓冲液(pH=9)洗脱Cd(Ⅱ),实现基体分离,杂质元素在同一溶液中得以在ICP-MS仪中测定。
短句来源
     While the Mg 2+ was masked and demasked with HAA,the Ca 2+ ? Mg 2+ can be determined directly by the chelatometry in same factors that as the solution,the pH,the indicator and the standard solution.
     用乙酰丙酮 (HAA)掩蔽和解蔽 Mg2 +,在同一溶液、同一 p H值、指示剂和标准溶液(EDTA)直接滴定 Ca2 +、 Mg2 +。
短句来源
     A new method to determine magnesium and bismuth in medicine is set up by Mg 2+ (or Bi 3+ ) XO CPB complex fading spectrophotometry.
     研究了用Mg2+(Bi3+)XOCPB三元络合物褪色光度法,在同一溶液中同时测定药物中的Mg2+和Bi3+。
短句来源
     After adding solidammonium sulfate (about 9 grams in 60 ml. of solution) cadmium can bequantitatively precipitated as Cd_5(NH_4)_6[Fe(CN)_6]_4. Based upon the above-mentioned observations, a procedure for the simul-taneous determination of zinc and cadmium in one solution has been devisedand applied to the analysis of "spongy cadmium" with satisfactory results,
     在同一溶液中加入固体硫酸铵使浓度达0.9-1.2M,则可使镉定量的沉淀为Cd_5(NH_4)_6[Fe(CN)_6]_4。 3.根据以上实验结果,拟定锌镉共存时的同时测定方法,并应用於海绵镉的分析得到满意的结果。
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  相似匹配句对
     solution;
     溶液;
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     Solution of sodium hypochlorite
     次氯酸钠溶液
短句来源
     In a particular electrolyte,the real transport number of aluminium ions is a constant.
     同一电解质溶液中,铝离子的真实迁移分数基本恒定。
短句来源
     The author compared the effects of chlorhy-dric acid and nitric acid in determination.
     本文比较了同一发样的盐酸溶液和硝酸溶液测定值。
短句来源
     On the same electrode, the currents of oxidation of HCHO in difference weak basic solutions are different.
     此外 ,同一电极上 ,甲醛不同种类的电解质溶液中产生不同的氧化电流 .
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  the same solution
The concentrations of chlorohydrin and cyclocarbonate were calculated from the data of the potentiometric titration of the same solution to which excess potassium hydroxide was added.
      
The copper-graphite electrode was regenerated electrochemically in the same solution.
      
From the same solution, by the successive sorption on two disks from a 0.2 M NaCl solution, mercury was determined with dithizone and cadmium was determined with PAR.
      
This study was based on a new technique involving simultaneous occurrence of water-hydrocarbon interaction and growth of quartz, calcite, and fluorite crystals with fluid inclusions from the same solution.
      
cuspidata) were separated on thin layers of silica Si 60 by two-stage development (first stage: 60 % heptane solution of a mixture of 5% methanol and 95% chloroform; second stage: 70% heptane solution of the same solution of methanol in chloroform).
      
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1. The "dead-stop" method of Foulk and Bawden has been found veryconvenient for the determination of the end-point in the precipitation titrationswith ferrocyanide, if an applied voltage of about 50 millivolts is used. In 1Mhydrochloric acid solution, zinc can be precipitated quantitatively by ferrocyanideas Zn_3K_2[Fe(CN)_6]_2, while cadmium remains in solution. After adding solidammonium sulfate (about 9 grams in 60 ml. of solution) cadmium can bequantitatively precipitated as Cd_5(NH_4)_6[Fe(CN)_6]_4. Based...

1. The "dead-stop" method of Foulk and Bawden has been found veryconvenient for the determination of the end-point in the precipitation titrationswith ferrocyanide, if an applied voltage of about 50 millivolts is used. In 1Mhydrochloric acid solution, zinc can be precipitated quantitatively by ferrocyanideas Zn_3K_2[Fe(CN)_6]_2, while cadmium remains in solution. After adding solidammonium sulfate (about 9 grams in 60 ml. of solution) cadmium can bequantitatively precipitated as Cd_5(NH_4)_6[Fe(CN)_6]_4. Based upon the above-mentioned observations, a procedure for the simul-taneous determination of zinc and cadmium in one solution has been devisedand applied to the analysis of "spongy cadmium" with satisfactory results,

1.亚铁氰化钾的沉淀反应可用双铂极电流滴定法指示终点,外加电压以50毫伏为宜。 2.在1M盐酸溶液中,亚铁氰化钾可使锌定量的沉淀为Zn_3K_2[Fe(CN)_6]_2,而镉不干扰。在同一溶液中加入固体硫酸铵使浓度达0.9-1.2M,则可使镉定量的沉淀为Cd_5(NH_4)_6[Fe(CN)_6]_4。 3.根据以上实验结果,拟定锌镉共存时的同时测定方法,并应用於海绵镉的分析得到满意的结果。

It is presented in this paper that during nitrite R Salt reacting with Fe(Ⅱ) in the HAC—NaAC buffer solution of PH 5.5, green complex is formed and that maximum absorption wavelength is 720nm. Determination of Fe may be directly performed at the above mentioned wavelength, with Cobalt(Ⅱ) having no absorption. Because Co(Ⅱ) reacting with nitrite R salt produces red complex in the same solution, Fe(Ⅱ) has also the some absorption influence on the determination of Co at wavelength of 500nm. The variant coefficient...

It is presented in this paper that during nitrite R Salt reacting with Fe(Ⅱ) in the HAC—NaAC buffer solution of PH 5.5, green complex is formed and that maximum absorption wavelength is 720nm. Determination of Fe may be directly performed at the above mentioned wavelength, with Cobalt(Ⅱ) having no absorption. Because Co(Ⅱ) reacting with nitrite R salt produces red complex in the same solution, Fe(Ⅱ) has also the some absorption influence on the determination of Co at wavelength of 500nm. The variant coefficient for this method is about 0.7%to6.3% after adjusting the ioluence of Fe(Ⅱ) by using the K—coefficient menthod.

本文提出在pH5.5的乙酸—乙酸钠缓冲溶液中,亚硝基R盐与铁生成绿色络合物,最大吸收波长720nm,在此波长下钴无吸收值,可直接测定铁。钴在同一溶液中与R盐生成红色络合物,在500nm测定钴时铁也有吸收。故用K系数法校正铁的影响,方法的变动系数在0.7—6.3%。

A new modified fluorometric determination for catecholamine (CA), epinephrine (E) and norepinephrine (NE) was reported. The method did not need the complicated seperate procedure of CA mixture and might determinate CA, E and NE simultaneously in the same solution, utilizing the difference of spectra between E and NE.It based upon the principle that the catecholamine (include E and NE) can be quantatively determinated through oxidation by potassium ferricyanide to produce a fluorecsent substance—trihydroxyindol,...

A new modified fluorometric determination for catecholamine (CA), epinephrine (E) and norepinephrine (NE) was reported. The method did not need the complicated seperate procedure of CA mixture and might determinate CA, E and NE simultaneously in the same solution, utilizing the difference of spectra between E and NE.It based upon the principle that the catecholamine (include E and NE) can be quantatively determinated through oxidation by potassium ferricyanide to produce a fluorecsent substance—trihydroxyindol, the sensitivity and accuracy of the method enhanced while the intensity of fluorecsence has been increased about 4—fold by zincic ion. The plasma CA (in term of E), E and NE recovery rate averaged about 95.2%, 89.1% and 70.93% respectively. The minimal measurable CA, E and NE amount of this method was 0.1ng/ml, 0.35ng/ml and 0.5ng/ml respectively. The coefficient of variation (CV) in plasma (n=4) within one batch was about 6.2%, 7.8% and 9.5% respectively, and the CV among different batches was about 11.3%, 12.8% and 14.5% respectively (n=3). The CV in urine (n=4) within one batch was about 5.9%, 8.4% and 9.6% respectively, the CV among different batches was about 11.8%, 12.9% and 17.8% respecitvely (n=3). We determinated with our method the plasma CA, E and NE in 45 ostensibly healthy humans, the concentration was about 5.5±5.4, 4.35±4.75 and 1.78±2.74 (ng/ml) respectively ((?)±SD). A normal range study on 24 hours urine was carried out in 20 ostensibly healthy humans, the total CA, E and NE excretion was about 15.11±8.35, 9.41±5.46 and 11.83±6.69(ug/ml) erspectively ((?)±SD).

本文介绍了一个利用肾上腺素(E)和去甲肾上脲素(NE)光谱之间的差异同步测定儿茶酚胺(CA)、E和NE的荧光法。它不需要对CA混合物进行复杂的分离,即可在同一溶液中进行测定。它是通过铁氰化钾氧化CA生成三羟吲哚,利用锌离子提高其荧光强度到原来的4倍左右以提高方法的灵敏度和准确度。血浆CA(以E计)、E和NE的平均回收率分别为95.2%、89.1%和70.93%。尿的平均回收率分别为64.2%,59.4%和51.67%。灵敏度分别为0.1ng/ml、0.35ng/ml和0.5ng/ml。血浆的CA、E和NE的批内变异系数分别是6.2%,7.8%和9.5%(n=4);批间变异系数分别是11.3%、12.8%和14.5%(n=3)。尿液CA、E和NE的批内变异系数分别是5.9%、8.4%和9.6%(n=4);批间变异系数分别是11.8%、12.9%和17.8%(n=3)。测定45例正常人的血浆结果是((?)±SD):CA5.55±5.40ng/ml;E4.35±4.75ng/ml;NE1.78±2.74ng/ml。20例正常人24h尿的结果是((?)±SD);CA15.11±8.35ug/24h;E9....

本文介绍了一个利用肾上腺素(E)和去甲肾上脲素(NE)光谱之间的差异同步测定儿茶酚胺(CA)、E和NE的荧光法。它不需要对CA混合物进行复杂的分离,即可在同一溶液中进行测定。它是通过铁氰化钾氧化CA生成三羟吲哚,利用锌离子提高其荧光强度到原来的4倍左右以提高方法的灵敏度和准确度。血浆CA(以E计)、E和NE的平均回收率分别为95.2%、89.1%和70.93%。尿的平均回收率分别为64.2%,59.4%和51.67%。灵敏度分别为0.1ng/ml、0.35ng/ml和0.5ng/ml。血浆的CA、E和NE的批内变异系数分别是6.2%,7.8%和9.5%(n=4);批间变异系数分别是11.3%、12.8%和14.5%(n=3)。尿液CA、E和NE的批内变异系数分别是5.9%、8.4%和9.6%(n=4);批间变异系数分别是11.8%、12.9%和17.8%(n=3)。测定45例正常人的血浆结果是((?)±SD):CA5.55±5.40ng/ml;E4.35±4.75ng/ml;NE1.78±2.74ng/ml。20例正常人24h尿的结果是((?)±SD);CA15.11±8.35ug/24h;E9.41±5.46ug/24h;NE11.83±6.69ug/24h。

 
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