The extractive content from different tree species has great effect on electroless plating. The resin of Softwood and the tannic of hardwood cause plating liquid easily decompose.
不同树种的抽提物含量对木材化学镀镍的影响较大，针叶材主要是树脂的含量，阔叶材主要是单宁的含量，这些抽提物容易造成镀液的分解。
OBJECTIVE To test changes in the content of the total anthraquinone in the alcohol extractive of aloe before and after debittering.
目的测定芦荟乙醇提取液在脱苦前后总蒽醌含量的变化情况。
Methods:AB-8 Macroporous adsorptive resins were used to purify the extractive of Rhodiola, and then the content of Rhodioside was determined by using HPLC.
方法：先采用AB-8型大孔吸附树脂法对高山红景天提取物进行分离，再通过HPLC法对高山红景天的主要成分红景天苷进行含量测定。
Methods To optimize the extractive process by orthogonal design and take Baicalin as the content index. The quality control methods was established.
方法以君药黄芩中黄芩苷的含量作为评价指标，通过正交试验筛选出合理的提取工艺，并制订质量控制标准。
MethodsUsing the orthogonal design, observed the effect of alcohol concentration, alcohol amount, extractive time on the extraction results, with the content of baicalin as the index.
方法以黄芩苷含量为指标，采用正交设计的方法，来考察乙醇浓度、乙醇用量、提取时间与提取次数对黄芩苷提取效果的影响。
We have determined the content of bergenin in the rhizome and MeOH extractive of Rodgersia aesculifolia Batal by TLC-scanning method.
采用薄层扫描法测定了鬼灯檠根茎、醇提物中岩白菜素的含量。
The results showed that the triglyceride content was relatively high, about 50% both in the total extractive of masson TMP and acid SP.
马尾松TMP与酸性亚硫酸盐浆中甘油三酯含量较高，约占总抽提物的50%。
The results showed that the triglyceride content was relatively high, about 50% both in the total extractive of masson TMP and acid SP.
马尾松TMP与酸性亚硫酸盐浆中甘油三酯含量较高，约占总抽提物的50%。
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