光度测定

The improved method that calcium oxide and magnesium oxide in magnesite are determined by EDTA titrametric method

研究了新显色剂二溴对甲基偶氮磺与钙的反应，建立了直接测定镁砂中钙的光度分析方法。

The critical sized defects of rat calvarium were made and the combined collagen membranes were used as guided bone regeneration membrane with BIO-OSS〓 compared with titanium and uncombined collagen membranes as control.

利用人纤维蛋白原和凝血酶合成纤维蛋白凝胶，将其作为rhBMP-2的载体，与胶原膜复合，获得rhBMP-2复合BIO-GIDE〓膜和rhBMP-2复合瑞诺〓膜；通过SDS-PAGE电泳和紫外分光光度法，测定复合膜rhBMP-2释放性能。

Enrichment of platinum in ore was completed by adoption of active carbon and paper pulp in certain acidity.

采用在一定酸度下的活性炭，纸浆完成对矿石中的铂的富集，用 DDO光度法测定铂的

By addition of suitable amount of sodium hydrosulfite into blood samples which were diluted by 0.1% Na2CO3, the absorption curve from 400 nm to 600 nm and absorbance at 419 nm and 425.5 nm of the blood samples were detected for qualitative and quantitative determination of carboxyhemoglobin.

检血用0.1% Na2CO3稀释后加入连二亚硫酸钠，用紫外－可见分光光度计测定500nm-600nm吸收光谱图和419nm及425.5nm处的吸光度值，对碳氧血红蛋白进行定性和定量分析。

Objective: To establish a spectrofluorometry for determination of levofloxacin concentration in human cerebrospinal fluid.

目的：建立荧光分光光度法测定人脑脊液中左氧氟沙星浓度的新方法。

After hydrolysis γ-polyglutamic acid became aminoglutaminic acid which could shape comoles compound(1∶1) in pH 9.6 of borax buffer solution with chloranil.

利用γ-聚谷氨酸水解成谷氨酸，在pH 9.6硼砂缓冲溶液中，能与四氯对苯醌形成1∶1的络合物，该络合物在波长350 nm处有最大吸收，通过测定其吸光度确定γ-聚谷氨酸含量。

After hydrolysis γ-polyglutamic acid became aminoglutaminic acid which could shape comoles compound (1:1) in pH 9.6 of borax buffer solution with chloranil. The comoles compound had absorption maximum at 350 nm.

利用γ-聚谷氨酸水解成谷氨酸，在pH 9.6硼砂缓冲溶液中，能与四氯对苯醌形成1：1的络合物，该络合物在波长350 nm处有最大吸收，通过测定其吸光度确定γ-聚谷氨酸含量。

The concentration of chlorine dioxide was determined by spectrophotometry according to the characteristic of decoloration of chlorophenol red with chlorine dioxide.

根据二氧化氯可氧化氯酚红使其褪色的特性，用示差分光光度法测定水中低浓度二氧化氯的含量。

Lidocaine hydrochloride reacts with phenol red or chlorophenol red to form an ion-association complex, the colours of solutions change obviously, the maximum absorption wavelength at 556 nm (PR-LDCI system) and 572 nm (CPR-LDCI system), the adding colours intensity is also proportional to the concentration of lidocaine hydrochloride, to develop spectrophotometric method of determination of lidocaine hydrochloride.

酚红、氯酚红分别与盐酸利多卡因作用，形成离子缔合物，溶液颜色发生明显改变，最大吸收波长分别为556 nm、572 nm，在对应波长处，盐酸利多卡因的浓度与溶液的增色程度呈良好线性关系，从而建立测定盐酸利多卡因的光度法。

We study the affection for the spectrophotometric method determination of sodium copper chlorophyllin in ratafee of all kinds of coefficiant of variation and obtain valuable results.

研究各种操作条件对分光光度法测定果酒中叶绿素铜钠的影响，得到了较有价值的结论。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。