Multi-level contracting and illegal subcontracting是什么意思

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用法例句

TLC determination method research of D-Chiro-Inositol in buckwheat seed;

荞麦籽粒中手性肌醇的薄层层析定性检测方法研究

Isolation and Purification of Cytosinpeptidemycin with Macroporous Adsorption Resin Diaion HP20 and TLC;

Diaion HP20大孔吸附树脂与薄层层析法分离提取嘧肽霉素

Analysis of Citrinin in Hongqu (Monascus spp.) Product by TLC;

红曲中桔霉素的薄层层析分析

Thin layer chromatography(TLC) was applied to the separation of oligosaccharides in juice of Jerusalem Artichoke.

采用薄层层析法(TLC)分离菊芋汁中的低聚糖成分。

The process diagnosis for synthesizing reaction of N-acetyl-L-cysteine (NAC) was established by thin layer chromatography (TLC) and TLC-scanning.

建立了用薄层层析和薄层扫描法对N-乙酰-L-半胱氨酸合成进行流程诊断的方法。

The extraction was concentrated and separated by thin layer chromatography and column chromatography,substances A,B,C and D were obtained.

以九牛造(EuphorbiaHylonoma)粗粉为原料用苯提取,提取物浓缩后,经薄层层析及柱层析后得到4种组分A、B、C、D。

Discussio on"one divides into four"property of system domain for stratigraphic sequence of terrestrial basins of China and its advantages;

论中国陆相盆地地层层序体系域的可四分性及其优势

A preliminary study on the stratigraphic sequence and sedimentary environment of the middle Permian Lugu Formation, Dazadizacuo, northern part of Tibet;

藏北达杂迪扎错中二叠世鲁谷组地层层序及沉积环境浅析

A discussion on the Late Precambrian stratigraphic sequences of Southern Liaoning;

辽南晚前寒武纪地层层序问题的研讨

And the third one may be the effective chromatographic solution for thin-layer chromatography in the components analysis of polysaccharides.

分别采用报道过的七种展层剂分析真菌多糖组分,并且采用气相色谱法进行验证,经实验发现,其中六种展层剂效果均不理想,而展层剂七对多糖组分具有较好的展层作用,此展层剂可以作为薄层层析分析多糖组分的有效展层剂。

Methods:The original animal identification,character identification and thin layer chromatography(TLC) were used.

方法:采用原动物、药材性状、薄层层析方法对其进行研究,并测定其水分、灰分、浸出物的含量。

Hb was immobilized on the ITO electrode modified with Ag NPs-titanium phosphate hybrid films which were prepared with layer-by-layer technique and then the prepared electrode was used for electrochemical biosens-ing.

利用ITO基底上层层组装构建的多层内嵌银纳米粒子的磷酸钛薄膜固定了血红蛋白并且用于生物传感研究。