| 1. | Improvement of synthesizing allantoin
尿囊素化学合成的改进 |
| 2. | Epoxy are synthetic resins formed by reactions of compounds containing epoxy groups
环氧树脂是化学合成的树脂，它由含环氧基的化合物反应而成。 |
| 3. | Organic agriculture is system of production , which doesn ' t use chemistry substance and genetic engineering in agriculture
摘要有机农业是指一种在农业生产中完全不使用化学合成的物质，也不使用基因工程生物及其产物的生产体系。 |
| 4. | Polifen bc 123 , is a chemically modified friction dust based and prepared to give an high heat resistance on brake linings and clutch facings formulations
Bc 123是一种化学合成的黑色摩擦粉，在刹车衬垫和离合器衬片配制中获得高的热阻。 |
| 5. | Combinatorial chemistry strategies depend on the size and diversity of the library to be designed , the availability and cost of the reagents ( building blocks ) , and the type of chemical syntheses being attempted
组合化学策略依赖于欲构建文库的大小、和多样性，试剂的有效性和成本和化学合成的类型。 |
| 6. | And it is first time ever such peptide has been synthesized chemically and with this success it has given a new meaning for the use of this peptide from scientific viewpoint and commercial standpoint
批准上市，但它的人工合成从未见有报道。首次化学合成的成功，无论在经济上还是科学上都具有重要的意义。 |
| 7. | Acrylics are synthetic resins made from derivatives of acrylic acid . thermoplastic acrylics ( lacquers ) , thermosetting acrylics , and acrylic latexes are available ; the latter two are used in coil coating
丙烯酸涂料是由丙烯酸衍生物经化学合成的树脂。热塑性丙烯酸和热固型丙烯酸(涂料)和丙烯乳液是可供应的，后两者可用于卷钢涂料中。 |
| 8. | Conclusion : the results in this work indicated that laser ablation as a physical method was combined with conditions of chemical building - up reactions , and it can be used as a kind of macroscopic quantities synthsis means obtaining various clusters
结果表明将激光溅射这一物理手段与化学合成的反应条件相结合，可以产生多种不同种类的原子团簇，是合成宏量团簇物质的一种新方法。 |
| 9. | We produce and export series of rosemary extracts , active ingredients are carnosic acid , carnosol , rosmarinic acid , rosmanol , etc . it is a natural antioxidant , much better and healthier than synthetic antioxidant , especially good effect in high temperature
产品有效成分为鼠尾草酸鼠尾草酚迷迭香酸迷迭香酚等。迷迭香提取物是一种天然抗氧化剂，比化学合成的抗氧化剂效果更好更健康，特别是它的耐高温特性。 |
| 10. | According to the gene sequence and secondary structure of hcv ns5b , we design the sirnas targeting ns5b gene following with the requirement for sirnas design from tuschl et . al and synthesize it from dharmacon company ; hepg2 cell stably expressing ns5b - egfp protein was trasfected by synthesized sirnas with electroportion , the non - transfected cell and non - specific sirnas transfected cell are c onsidered as control group ; inhibitory effect of sirnas was investigated by fluorescence microscope with dapi dyeing and by semi - quantitative rt - pcr
然后根据dsrna设计原则，结合nssb基因的序列特征，借助生物信息学软件设计了针对nssb基因的sirnas ，并交由公司化学合成；电穿孔法转染上述稳定转染的细胞克隆，同时分别以非特异的sirnas转染组和空白转染组为对照， dapi染色后通过荧光显微镜和内标化rtpcr检测，初步证实了化学合成的sirnas可以特异阻断nssb基因的表达。 |
