为了有效利用其中主要组分，需选择合适的分离方法制取一定纯度的单体。
In order to utilize the primary components isoprene, cyclopentadiene and piperylene efficiently, the appropriate method for separation should be selected to gain pure monomer.
皂苷是三七中的主要活性成分，科学家已经从三七中分离得到了超过70种的单体皂苷。
Saponins are the main active ingredient, Modern studies have showed that more than 70 different kinds of saponins have been isolated and identified from Sanqi.
目的：分离及鉴定前荷叶碱单体。
在化学成分方面，首次从西洋参果中分离鉴定了14个单体化合物。
In chemistry, 14 monomeric compounds were isolated and identified from the fruits for the first time.
乙酸丁酯稀释丙烯酸树脂后，用气相色谱法使丙烯酸树脂中的各种残余单体得到较好分离，再采用氢火焰离子化检测器(FID)定量测定。
Acrylic resin is diluted in ethyl acetate and the remnant monomer is well separated from it by gas chromatography and is quantificationally measured by hydrogen flame ionization detector (FID).
本文主要对槐花中总黄酮的提取以及总黄酮单体—芦丁和槲皮素的分离提纯进行了研究。
We mainly research on the flavone extraction of the Sophora japonica and the separation of rutin and quercetin in this study.
很多聚合物在固化前与热固性单体往往是相容的，而在固化后得到的却是宏观相分离的结构。
As we have known, many kinds of polymers are miscible with the thermosets before curing, but after curing the macrophase separation will take place.
方法：（1）以硅胶柱色谱法，乙酸乙酯-石油醚梯度洗脱，自何首乌中提取分离二苯乙烯苷单体成分。
Methods: (1)To separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
介绍了常见淀粉—烯类单体接枝共聚产物各成分的分离及其表征方法。
This paper presents a reviewal profile of methods on separation and characterization about starch-vinyl graft copolymers.
经过一系列分离纯化步骤，从中得到了一种抗氧化性能很强的单体化合物，其抗氧化性能明显强于BHA。
After a series of separation and purification procedures, a pure compound was obtained which HND the optimum activity, its antioxidative activity was clearly stronger than that of BHA.
分子筛分子量测定结果显示整蛋白分子约为45kd左右，表明分离得到的POD为单体蛋白，这与之前的研究结果有很大的不同。
Compared with gel filtration standard showed that the relative molecular weight of POD is about 45kd as well, which indicate that the purified POD is monomer.
葡萄籽经有机溶剂梯度法及酶法提取，大孔树脂初步纯化，薄层色谱法分离纯化得到原花青素单体和二聚体。
The monomer and dimer of proanthocyanidins in grape seeds were obtained by gradient and enzymatic extraction, isolation with macroporous adsorption resin, and purification by TLC.
本研究将三种瑞香属植物中分离得到的单体化合物运用LC - MS技术，首次建立了瑞香属化合物的数据库。
Furthermore, we have set up compounds library of Daphne genus by LC-MS advanced method for the first time, these compounds were isolated from three Daphne medicinal plants.
并且，针对茶多酚中不同儿茶素单体的分离纯化，应选择适当的茶多酚为原料。
The right tea polyphenols must be chosen for the isolation of different catechins.
在终变期配对的同源染色体中的姐妹染色单体完成分离，染色体变成紧密凝集的状态，缩至最小长度。
During diakinesis the sister chromatids of homologous pairs of chromosomes complete their separation and the chromosomes coil tightly shortening and thickening.
对液固分离水力旋流器进行单体及串联系统的性能测试，以有效的进行三相分离水力旋流器的砂库结构的改进；
Carry on single and contact system function test to liquid-solid hydrocyclone, in order to improve the structure of sand storehouse of three-phase hydrocyclone.
超铀- OPCs的专利组合包含了单体和低聚物分离杰克博士马斯魁勒。
Tru-OPCs contain the patented combination of monomers and oligomers isolated by Dr. Jack Masquelier.
再以该茶多酚为原料，应用HSC CC分离纯化儿茶素单体，所得egcg产品的纯度达到98%以上。
Then, catechin monomer was isolated and purified by HSCCC with the purity above 98%.
双线期时，配对的染色单体开始从四分体中分离，此时常可见染色体交叉。
In diplotene the pairs of chromatids begin to separate from the tetrad formed by the association of homologous chromosomes.
方法：运用天然药物化学的分离精制方法进行单体化合物的分离。
Method: the single constituents were separated by the methods of phytochemistry.
采用现代技术分离黄瑞香、陕甘瑞香和结香中的化学成分，鉴定了63个（次） 单体化合物的结构。
The chemical investigation resulted in the isolation of 63 compounds, and the structures were determined based on the modern spectral technology.
方法：硅胶柱色谱法，乙酸乙酯-石油醚梯度洗脱，自何首乌中提取分离二苯乙烯苷单体成分。
Methods: (1) to separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
在风暴的识别上，本文采用基于数学形态学的风暴识别方法，可以较好地解决虚假合并问题，并能从复杂的风暴簇中分离出风暴单体。
Firstly, in order to handle the false merger problem and to isolate individual storms from a cluster of storms, a multi-threshold identification method based on mathematical morphology is hired.
详细考察了单体的合成过程，分离性能以及乙腈、甲醇对溶质保留行为的影响，并用红外光谱和元素分析对固定相进行了表征。
The synthesized stationary phase was evaluated in detail to determine its separability, monomer synthetical process, effect of acetonitrile (ACN) and methanol on the retention of solutes.
采用80%的酸性乙醇提取、硅胶柱层析分离、乙醚分级沉淀、丙酮重结晶的工艺方法，从苦参中分离得到氧化槐果碱单体。
Besed on the extract with 80% acidities alcohol, separation by silica gel, precipitation by ether, oxysophocarpine was obtained from Sophora flavescens.
目的对我国不同产地赤芍药材中芍药苷和白芍苷含量差异进行分析，探讨分离制备芍药苷和白芍苷单体的工艺路线。
Objective To analyze paeoniflorin and albiflorin content in Paeonia lactiflora Pall from different areas and investigate the optimal monomers purification technology.
采用细胞毒、卤虫致死和微藻克生活性筛选模型，对分离得到的单体化合物进行了初步的生物活性评价。
The primary biological activities of the compounds were evaluated on the models of cell cytoclasis , brine shrimp and growth inhibition of red tide microalgae.
采用细胞毒、卤虫致死和微藻克生活性筛选模型，对分离得到的单体化合物进行了初步的生物活性评价。
The primary biological activities of the compounds were evaluated on the models of cell cytoclasis , brine shrimp and growth inhibition of red tide microalgae.
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