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colorimetric method
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  比色法
     After the final injection the skin section in the injected area was collected for histological examination, measurement of dermis thickness, determination of hydroxyproline contents by a colorimetric method, detection of CTGF mRNA expression by in situ hybridization and measurement of CTGF and pro-collagen α1(pro-COL1A1) mRNA expression by semiquantitative RT-PCR.
     然后取背部皮肤行组织病理检查及真皮厚度测量,比色法测定羟脯氨酸含量,原位杂交法检测结缔组织生长因子(CTGF)mRNA表达细胞及RT-PCR法测定α1前胶原(pro-COL1A1)和CTGFmRNA表达量。
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     The Cr( Ⅵ ) was determined by diphenylaminourea colorimetric method with the relative error ≤4.0% , after being treated into solution, the detecting limit is 1.62 ×10~(-7)g/mL.
     采用二苯氨基脲比色法测定岩石中的铬(Ⅵ),相对误差不大于4.0%,处理成溶液后的检出限为1.62×10~(-7)g/mL。
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     Use the right same sauce sample of standards of standards, GB/ T5009.39-1996 s of ZBX66014-87 the proceeding the analysis the measurement respectively, And Comparative used Ninhydrin colorimetric method.
     分别用ZBX66014-87标准、GB/T5009.39-1996标准对同一酱油样品进行分析测定,并用茚三酮比色法进行对照。
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     Determination of total polysaccharide in Salvia miltiorrhiza was carried out by colorimetric method at the wavelength of 490nm and calibration curve(concentration ratio absorbency) showed good linear regression(r=0.9998) with in the range of 0.1122~0.561mg.
     采用苯酚-硫酸比色法比色法测定了丹参药材中总多糖的含量,检测波长为490nm,丹参总多糖在0.1122~0.561mg范围内其浓度与吸光度线性关系良好(r=0.9998);
短句来源
     Study on Determimation of the Content of Vitamin B_1(Thiamine)by Colorimetric Method
     比色法测定维生素B_1片含量的研究
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  比色分析法
     Methods The content of nuclear DNA was measured by colorimetric method in 14 nonnal stomach, 12 precancerous lesions of stomach and 20 gastric carcinoma;
     方法 采用比色分析法测定胃癌20例,胃癌前病变12例及正常胃黏膜14例细胞核DNA含量;
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     The biological activity of IL-6 was detected by XTT colorimetric method and compared with those detected by MTT and 3 H-TdR methods. The result showed good stability,reproducibility and feasibility of XTT method.
     应用XTT比色分析法检测IL - 6的活性 ,并与MTT法和3H掺入法进行了比较 ,结果XTT法较之上述两法简便易行 ,结果稳定 ,重复性好。
短句来源
     The activities of superoxide dismutase (SOD), glutathione peroxidase (GSH PX), and the concentrations of malondialdehyde (MDA), glutathione (GSH) were investigated by colorimetric method.
     用比色分析法测定大鼠血清、肝匀浆超氧化歧化酶 (superoxidedismutase,SOD)、谷胱甘肽过氧化物酶 (glutathioneperoxidase,GSH PX)及丙二醛 (malondialdehyde,MDA)、谷胱甘肽 ( glu tathione ,GSH)的含量。
短句来源
     The activities of superoxide dismutase(SOD),glutathione peroxidase(GSH-Px)and the concentrations of malondialdehyde(MDA)were investigated by colorimetric method.
     用免疫组织化学SP法检测3组大鼠肝脏c_myc、p53和bcl_2的表达水平 ,用比色分析法检测血清、肝匀浆、线粒体超氧化物歧化酶 (SOD)、谷胱甘肽过氧化物酶 (GSH -Px)的活性及丙二醛 (MDA)含量的变化。
短句来源
     Error Analysis of Colorimetric Method on Chemical Supervisory in Power Plant
     火力发电厂化学监督中比色分析法的误差分析
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  “colorimetric method”译为未确定词的双语例句
     Detected with colorimetric method, in GPL the sulfate content is 29.12%, polysaccharide 27.8% and protein 12.69% respectively.
     GPL为本实验室制备,经检测GPL中硫酸基含量为29.12%,总糖27.8%,蛋白质12.69%。
短句来源
     Meanwhile,the levels of hs-CRP were determined with colorimetric method. Results Compared with the control group,FMD were lower in patients with MS(8.32±1.20 vs.17.02±1.06,P<0.01),while the levels of hs-CRP were higher (5.82±1.13mg/dl vs.2.48±1.21mg/dl,P<0.01).
     结果代谢综合征患者的肱动脉血流介导的血管扩张反应为(8·32±1·20)%,低于对照组的(17·02±1·06)%(P<0·01); hs-CRP的浓度为(5·82±1·13)mg/dl高于对照组的(2·48±1·21)mg/dl(P<0·01);
短句来源
     Methods: 1. The suppressive effect of ARRE on the proliferation of BGC-823、K562、TE-13、MCF-7、SMMC-7、Skov-3 and S180 tumor cells were investigated in vitro by using cell culture technique and MTT colorimetric method.
     方法: 1.采用MTT法分析多被银莲花提取物对人源性肿瘤细胞株BGC-823、K562、TE-13、MCF-7、SMMC-7721、SKOV-3和鼠源性肿瘤细胞株S180增殖反应的抑制作用。
短句来源
     RBC-GSH in healthy adult and in patients with cerebral hemorrhage and infarction was determined with DTNB colorimetric method. The concentration of GSH in healthy adults was 5. 68~10.34 nmol/ g Hb, in cerebral hemorrhage was 6.72±1.04μmol/g Hb and in cerebral infarction was 5.02± 1.37 μmol/g Hb.
     红细胞内还原型谷胱甘肽(RBC-GSH)正常参考值5.68~10.34μmol/gHb,脑出血6.72±1.04μmol/gHb,脑梗塞5.02±1.37μmol/gHb。
短句来源
     Methods Using the MTT colorimetric method and the colony formation as the indexes, the mitomycin C(MMC) as the positive control chemical, Lovo cell line was treated with SVC Ⅰ ~Ⅳ at final concentration of 45μg/ml,60μg/ml,75μg/ml and 90μg/ml respectively. The effect of SVC Ⅰ ~ Ⅳ on Lovo cells were observed at different intervals after the cells were exposed to SVC.
     方法 用噻唑蓝(MTT法)、集落形成抑制实验,以丝裂霉素C(MMC)为阳性对照药品,以蝎毒提取物SVC Ⅰ、SVC Ⅱ、SVC Ⅲ,SVC Ⅳ各组分、浓度分别为45μg/ml、60μg/ml、75μg/ml、90μg/ml处理人大肠癌细胞Lovo,观察Lovo的生长情况。
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  colorimetric method
A colorimetric method based on reactions of malondialdehyde (MDA), a key intermediate in the formation of peroxides, has been described in fresh tissues.
      
Good correlation (r2=0.999) was found between the present SPME-GC method and the conventional microdiffusion colorimetric method.
      
This new LC-MS method was compared with traditional colorimetric method for 3MI equivalent.
      
Based on colorimetric method in the measurement of C7-9 alkyl hydroximic acid, the substitution degree of HPAM was determined by selecting octyl hydroximic acid as a primary standard substance.
      
TNF-α was measured by ELISA and antioxidative activities of SOD, MDA, GSH-Px, GST and CAT were investigated by colorimetric method in rat serum and mitochondria of liver cells.
      
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A colorimetric method for the determination of antimony in the range 0.1 to 3.0μg per milliliter blood is described. The time needed for the destruction of organic matter is shortened to 8—12 minutes. The proposed method is as follows: Accurately transfer 1 ml of blood sample to a hard glass test tube (25×150 mm.), to which 1 ml of conc. HNO_3 is then added. Heat gently with a small flame till the solution changes to amber color. Add 0.5 ml conc. H_2SO_4 and heat again carefully until dense white...

A colorimetric method for the determination of antimony in the range 0.1 to 3.0μg per milliliter blood is described. The time needed for the destruction of organic matter is shortened to 8—12 minutes. The proposed method is as follows: Accurately transfer 1 ml of blood sample to a hard glass test tube (25×150 mm.), to which 1 ml of conc. HNO_3 is then added. Heat gently with a small flame till the solution changes to amber color. Add 0.5 ml conc. H_2SO_4 and heat again carefully until dense white fume is evolved. If the solution is not clear, add a few more drops of HNO_3 and heat repeatedly till a clear colorless solution is obtained. Cool, add 1 ml NaCl solution and 0.5 ml NaNO_2 solution, shake for 2 minutes, then add 1 ml of urea solution. Transfer the mixture to a separatory funnel containing 10.0 ml benzene. Wash the test tube with three portions (5 ml) of distilled water, add 10 drops of malachite green reagent solution and shake the mixture immediately for 5 minutes. Separate the benzene layer in a centrifuge tube and centrifuge 3 minutes to separate the suspended droplets of water. Transfer the benzene solution into a 10 cm cell and measure the extinction with an Ilford 607 filter, using benzene as blank.

作者等提出了血液中有机质的快速破坏法及采用孔雀綠比色法测定血样中微量锑。本法破坏血样所需时間为10分鐘左右,所需血样为1毫升。致謝:本文承儲俊民同志供給一部分資料及协助,謹此志謝。参加此項工作者尚有楊松成同志。

Estimation of contaminated iron in tungsten-cobalt alloy can be performedwith the aid of paper-descending chromatographic method. After the alloy hasbeeh fused with sodium carbonate in a platinum crucible, tungsten is removedby precipitation. In the filtrate, iron and cobalt are separated by means ofpaper chromatography. Cut out the portion of paper strip which contains onlyiron and extract with 0.1 N bydrochloric acid. Finally iron is determinedcolorimetrically. The amount of iron used in each test is 6.17γ...

Estimation of contaminated iron in tungsten-cobalt alloy can be performedwith the aid of paper-descending chromatographic method. After the alloy hasbeeh fused with sodium carbonate in a platinum crucible, tungsten is removedby precipitation. In the filtrate, iron and cobalt are separated by means ofpaper chromatography. Cut out the portion of paper strip which contains onlyiron and extract with 0.1 N bydrochloric acid. Finally iron is determinedcolorimetrically. The amount of iron used in each test is 6.17γ throughout the whole work.The contaminated iron in iron-cobalt hydrochloric acid solution is first deter-mined by direct colorimetric method. When the ratios of iron to cobalt are1:10; 1:50; 1:100; 1:500, the relative errors are 0.3%, 2.9%, 11.8%, 33.1%respectively. If iron and cobalt are separated before the colorimetry, theaccuracy is improved. For the ratios of iron to cobalt equal to 1:50 until1:3000, the relative errors of the results are 0.3--3%. Therefore, when theratio of iron to cobalt exceeds 1:10, a separation is necessary. The separation of iron and cobalt is influenced by the method of preci-pitating tungsten. Using hydrochloric acid as precipitant when the ratio ofiron to cobalt is 1:3000, they can be separated clearly on Duren paper No. 261.While using hydrochlorie acid and cinchonine in saturated sodium chloridesolution as precipitant, iron and cobalt cannot be separated clear1y even at aratio 1:500. Because the presence of sodium chloride and cinchonine increasethe R_F value of cobalt and the cobalt spot overlaps the rear part of the iron. Accuracy is also affected by the nature of the paper. Duren paper No. 261is dense and even. Accurate results are obtained for solutions in which theratio of iron and cobalt is within 1:3000. With loose and uneven paper, thelong tail of iron appears on the paper when the ratio of iron to cobalt is1:500. Therefore, the latter is not recommended for this separation. It is also found that the accuracy of the method is affected by (1) theconcentration of cobalt, (2) the nature of the medium and also (3) the propertyof the paper.

测定铁、钴混合液中数微克的铁(钨已事先用化学方法除去),如铁钴之比为1:10或以下,可毋须分离,进行比色测定。如铁钴之比为1:50至1:3000,则用纸层析后再比色测定,结果良好(相对误差为0.3—3%)。溶液中如尚含其他化合物及滤纸之品质均对层析分离有影响。

A rapid method for the determination of CaO and MgO in Hematite is proposed. The sample sintered with a mixture of Na2CO3 and K.2CO3 and boiled in 2N HNO3 to dissolve the Lime and Magnesia. The extract is treated with urea to precipitate the small amount of Iron dissolved. The sum of CaO and MgO is determined by titration with ethylenediamine tetracetic acid (disodium salt). Lime is determined after precipitation as the oxalate and MgO is found by difference. Or alternatively, Magnesia is determined colorimetrically...

A rapid method for the determination of CaO and MgO in Hematite is proposed. The sample sintered with a mixture of Na2CO3 and K.2CO3 and boiled in 2N HNO3 to dissolve the Lime and Magnesia. The extract is treated with urea to precipitate the small amount of Iron dissolved. The sum of CaO and MgO is determined by titration with ethylenediamine tetracetic acid (disodium salt). Lime is determined after precipitation as the oxalate and MgO is found by difference. Or alternatively, Magnesia is determined colorimetrically with titan yellow and Lime by difference. The results of both methods agree each other. The colorimetric method is more rapid, and requires about 3-4 hours. Analysis of standard sample of hematite give very good results.

提供一个快速测定赤铁矿中CaO和MgO的新方法,在用碳酸钠和碳酸钾混合熔剂半融熔后,在2N硝酸中煮沸1.5小时以抽取钙、镁,分出不溶的Fe_2O_3和溶解的少量铁、铝等以后用0.01M EDTA标准溶液滴定CaO、MgO总量。用草酸盐分离钙,用EDTA溶液滴定CaO含量,另用地旦黄比色法测定MgO分量。两个方法测定结果相符合,比色法较快,完成一个试样分析只需3—4小时。用本法(容量法测定CaO)分析苏联标准铁矿试样,结果完全符合。

 
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