查询词典 spectrophotometry

The lag of thermochromism of Ln-XO chelates aqueous solutions in DMF were investigated by spectrophotometry in this paper.

热色性迟后现象在固相体系中已有过研究，但在液相体系中尚未见诸报道。

The polyaluminum flocculates with different B values were prepared by addition NaOH solution to AlCl〓 solution on using different methods. The characteristics of solution chemistry and species distribution in the polyaluminum solutions were examined completely and deeply by the potentiometry,〓Al NMR, Ferron timed comlexation spectrophotometry, Na〓SO〓 precipitation and ultrafiltration method.

应用多种化学分析技术及现代分析仪器，如电位滴定、Ferron逐时络合比色、Na〓SO〓沉淀、超滤膜过滤、X-衍射、富里叶红外光谱、扫描电镜等对铝盐的水解聚合反应过程、形态分布及其结构特征进行了全面深入地分析研究。

Part 2In this study, we have shown with the use of UV-visible spectrophotometry and the constant wavelength synchronous fluorescence spectroscopy techniques that the pharmaceutical drug, chlorpromazine hydrochloride, intercalates into the deoxyribonucleic acid double helix by partial exchange with the Neutral Red molecular probe.

第二部分，本工作结合紫外可见分光光度法和三维同步荧光法分别研究了中性红、盐酸氯丙嗪与DNA的作用，并利用中性红作探针来进一步研究盐酸氯丙嗪与DNA的作用以及它们二者与DNA之间的竞争作用。

Methods Soil was air-dried, grinded, and screened through 100 mesh sieve. Appropriate sample was put in porcelain crucible with 0.5 g Aldrin reagents, and another 2 g Aldrin was used to cover the sample. Then the mixture was burned, cooled off, lixiviated by water, and determined by arsenic-cerium redox spectrophotometry.

土壤经自然风干，粉碎过100目筛，取适量试样于盛有0.5g艾氏试剂的瓷钳埚中，再取2g艾氏试剂覆盖试样，置高温炉中灼烧，冷却，水浸提，砷铈氧化还原分光光度法测定碘含量。

The method is simpler, rapider and more sensitive than those of the conventional spectrophotometry.

在这个方法中，硫胺素作为荧光试剂和钴离子于0.65%氢氧化钠介质中反应，形成一种具有强荧光性的物质—硫胺荧。

Objective To compare and evaluate anodic striping voltammetry with graphite furnace atomic absorption spectrophotometry for blood lead analysis.

目的比较评价阳极溶出伏安法与石墨炉原子吸收光谱法在血铅检测中的应用，评价2种方法的实用性和可靠性。

The thymuses, spleens, sera and anticoagulant blood were collected after the rats were killed, to carry out these works:(1) Zinc concentrations were analyzed by atomic absorption spectrophotometry;(2) Body weight and the weight of thymuses and spleens were measured, the organ index were calculated;(3) Changes in pathology of thymus and spleen were observed;(4) Using TUNEL (terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling) method, the apoptosis of thmocytes and spleen lymphocytes was checked;(5) The expression of bcl-2、bax mRNA in thymus and spleen were detected by RT-PCR (reverse transcription polymerase chain reaction);(6) The expression of p56〓, a signal transduction protein in thymus and spleen were detected by immunohistochemistry;(7) Two-color cytofluorometric analysis was used to assess the expression of CD4, CD8, CD45RA and CD45RC in peripheral blood lymphocytes.

动物处死后留组织、抗凝血及血清，进行以下检测：(1)原子吸收法测血清锌浓度；(2)测胸腺、脾脏脏器重量并与大鼠体重比较，计算脏器指数；(3)HE染色对胸腺、脾脏进行病理观察；(4)原位末端标记法测胸腺、脾脏中淋巴细胞的自发凋亡，并通过图像分析进行比较；(5)逆转录聚合酶链式反应检测凋亡调控基因bcl-2、bax mRNA在免疫器官中的表达；(6)免疫组化方法检测信号转导蛋白p56〓在免疫器官中的表达；(7)流式细胞术分析外周血淋巴细胞中CD4+、CD8+、CD45RA+及CD45RC+CD4+、CD45RC-CD4+细胞的数量和比例。

Methods The drying soybean products were triturated. The powder samples were defated by the diethyl ether for 5 hours, and returned by the 80% methyl alcohol solutions with the liquid-solid ratio of 25:1 for 5 hours. The content of the total isoflavone in filtrate was determined by ultraviolet spectrophotometry.

将烘干的豆制品研成粉末，取粉末样品置于索氏抽提器中，用乙醚脱脂5h后，用80%的甲醇溶液以25：1的液固比热回流5h，用紫外分光光度法测定滤液总异黄酮含量。

Methods Cancer tissues of 68 carcinoma ventriculi patients and side tissues of the control group were collected; Se、Zn、Cu、Fe、Cd were determined with atomic absorption spectrophotometry and fluorophotometry.

收集68例胃癌患者癌组织及癌旁组织，用原子吸收分光光度法和荧光光度法测定Se、Zn、Cu、Fe、Cd。

In this paper,based on the principle of LDH synthesizing in-situ,with spectrophotometry and XRD analyses of solid,removal efficiency and mechanism of acid orange from dye aqueous solution were studied.

本文研究即时合成层状双氢氧化物处理酸性金黄溶液的效果以及影响因素，并利用XRD分析研究了酸性金黄染料在LDH结构中的嵌入方式和反应机理。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。