利用茚三酮法、钼蓝法及土壤双向切片法。
The methods of ninhydrin and molybdenum blue, and bi directional soil section slicing were used.
氨基酸层析分析时，将显色剂茚三酮直接溶于展开剂中。
Developer was combined with spray reagent in amino acid chromatography analysis.
茚三酮反应呈阴性，用酸水解后茚三酮反应和双缩脲反应呈阳性。
Its ninhydrin reaction was negative, but after acid hydrolysis, its ninhydrin reaction and biuret reaction were positive.
利用茚三酮比色法测定100个不同类型小麦籽粒的赖氨酸含量。
It was conducted to determine the lysine content of harvested grain in 100 different varieties or lines in wheat by ninhydrin colorimetry method.
并用红外光谱、水合茚三酮反应、含氮量分析等方法验证接枝反应的进行。
The proof of grafting was established by IR spectra, ninhydrin test, nitrogen estimation and other analytical methods.
表面的伯胺基在与茚三酮反应后转化为醛基，通过银镜反应证明了醛基的存在。
The surface amino group was transferred to the aldehyde group after it reacted with ninhydrin. The surface aldehyde group was confirmed by the mirror reaction.
方法青蒿可溶性糖含量测定使用蒽酮醋酸乙酯法，青蒿游离氨基酸含量测定用茚三酮比色法。
Methods Saccharide content was determined by anthracene ethyl ketone method; amino acid content was estimated by indene tri-ketone colorimetric method.
方法在碱性条件下，以（水合）茚三酮乙醇溶液为显色剂，采用比色法测定，检测波长为568。
Methods Alendronate sodium was determinated by colorimetry and ninhydrin ethanolic solution was used as chromogenic agent in alakaline condition and detection wavelength was at 568.
对改性产品以茚三酮法进行分析，对铬鞣革屑水解产物及其改性产品进行IR分析和氨基酸分析。
To provide proof of grafting, modified hydrolysate was identified by indanthrone, the IR and amino acid composition analysis of hydrolysate and modified hydrolysate were studied.
茚三酮和DFO在显现渗透性客体上的汗潜手印时，显现原理、实验方法，以及实验结果均有不同。
The manifest method, experimental means and result are different when using NIN and DFO to reveal sweat fingerprints in the permeated objects.
方法：采用氨基酸的游离氨基与水合茚三酮产生显色反应，在一定范围内，其颜色的深浅与氨基酸的含量成正比。
Methods: color reaction of free amino acids with ninhydrin was adopted, since, in certain extent, the color depth is correlated with the amino acid content.
方法：采用氨基酸的游离氨基与水合茚三酮产生显色反应，在一定范围内，其颜色的深浅与氨基酸的含量成正比。
Methods: color reaction of free amino acids with ninhydrin was adopted, since, in certain extent, the color depth is correlated with the amino acid content.
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