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The studies was proceeded on the the supercritical CO2 extraction technique of rotenone from Tephrosia vogelii. The extraction influences of technology conditions were systematically groped, The research results were listed as follows:1 The analysis method applied in this paper has been proved to be suitable to technology research of the studies on the SC-CO: extraction technique of rotenone from Tephrosia vogelii. 3 indexes, extraction ratio of rotenone. extraction ratio of total compounds and rotenone content percent in total compounds weight, were carried out with HPLC quantitatively determination combined with the sample weight loss after extraction. With these 3 indexes. The extraction influences of technology conditions were evaluated by synthesis. Then the best technology conditions were ascertained for different extraction aims.2 The pretreatment of rough material should be needed before extraction. Comminuting the material to 0.28mm size is most fit to SC-CO: extraction.3 Firstly static extracting 20 min then turn to dynamic doing is the better extraction mode than other ones.4 The orthogonal experiment was conduct with 3 factors and 5 levers.
本论文通过对非洲山毛豆SC-CO_2萃取中影响萃取效果的工艺条件的研究,初步得出如下结果:(1)本论文中所采用的萃取效果评价方法适宜于非洲山毛豆中鱼藤酮的超临界流体萃取技术研究,该方法具体为:HPLC定量分析非洲山毛豆SC-CO_2萃取物中的鱼藤酮含量,再结合萃取前后处理样品的重量损失,得出鱼藤酮萃取率、萃取所得粗物质萃取率和粗物质中鱼藤酮含量三个参数,以此三个指标综合评价萃取条件对萃取效果的影响;(2)通过对原料粒度对萃取效果影响的研究,结果表明SC-CO_2萃取非洲山毛豆复叶中的鱼藤酮,原料粉碎成30目粒度叶粉时萃取效果较好;(3)通过对萃取方式与萃取效果之间关系的研究,结果表明SC-CO_2萃取非洲山毛豆中鱼藤酮应采用先静态后动态的萃取方式,静态萃取时间为20min;(4)通过温度、压力和CO_2流量三因素五水平的正交试验,结果表明温度是最主要的影响因素,压力因素对鱼藤酮萃取率的影响程度高于CO_2流量,而对于粗物质萃取率和粗物质中鱼藤酮含量CO_2流量因素高于压力。
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A competitive ELISA kit for detect ENR was developed with ENR mAb and its traits were tested.Two hybridoma lines were filtered and the best one was 4G1-B3,which secreted ENR mAb with indirect ELISA titers of 1∶1.024×10~6 in ascites.Isotype of the two mAb was IgG_1.ENR mAb had a high affinity constant with 9×10~(10)L/mol.The ENR-Kit had the linear detection range of 0.05~101.6μg/L,the sensitivity of 0.05 μg/L and a good sensitivity with an IC_(50) of 1.1μg/L to ENR,cross-reactivity to other compounds less than 0.01%.The average recoveres of ENR spiked in chicken,liver,fish and milk were 81.5%,87.6%,84.3% and 95% respectively.The coefficient variation was below 10%.
结果表明:筛选出的2株杂交瘤细胞,单抗亚类均为IgG1型,其中4G1-B3株的ENR mAb间接ELISA效价为1:1.024×106,亲和常数为9×1010L/mol;竞争ELISA试剂盒的线性检测范围为0.05~101.6μg/L、灵敏度0.05μg/L、半数抑制浓度(IC50)1.1μg/L,与其他化合物的交叉反应率均小于0.01%,鸡肉样、鸡肝样、鱼肉样和牛奶样的平均添加回收率分别为81.5%8、7.6%、84.3%和95%,不同基质添加恩诺沙星标准品做竞争ELISA对ENR-Kit检测结果影响小,试剂盒保存期6个月以上。
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To reduced the cost, combined with the content of benzaldehyde in bitter almond oil, extract almond oil with press and extract bitter almond oil with wet distillation is the best echnology line.
若以降低成本为目标,结合精油中苯甲醛的含量,则以热榨法提取脂肪油以后通过水蒸气蒸馏法提取苦杏仁精油为综合利用苦杏仁的最佳工艺路线。
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My manufacture method: Uses half bread flour to add the half mixed grain flours first (for example maize meal, broom corn millet sub-powder, sorghum powder, to be possible), mixes symmetrically, with the boiling hot boiling water synthesis pasta, and the little honey mixes with half two oils; Makes the stuffing, with the little surface, the brown sugar, the walnut not be broken, the candied and preserved fruit broken and the Dried scallop; Then the package becomes the steamed stuffed bun and light pressure Flat (best presses Discus style in order to artistic); Puts in the warm wok with cooking oil to fry in oil Sallow, a good food then completed.
我的制作方法:先用一半面粉加一半杂粮粉(如玉米粉、糜子粉、高粱粉、均可),掺和匀称,用滚烫的开水合成面团,用半两油及少许蜂蜜掺和;做馅,用少许面、红糖、核桃碎、果脯碎及瑶柱;然后包成包子并轻压成扁状(最好压成铁饼状以求美观);放入温油锅油炸到焦黄,一个美食便完成了。
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The success of our work is evident to all. Fully capitalizing on the fusion of Chinese and Western cultures in Hong Kong and the close connections that our school has with the Mainland China and overseas, our new "through-train" school, Pui Kiu College, which comprises strong Chinese and Western cultural characteristics, are committed to provide students with broad learning experiences. We shall cultivate students to achieve proficiency in English and Chinese and encourage them to explore the multi-faceted cultures of the world. Our students are nurtured to become a new generation that is deep-thinking, astute, inquiring and truth-seeking, firm in Chinese cultural foundation and with world cultural qualities and horizons, rich in Chinese sentiments and capable of grasping opportunities to give their best and contribute to China's integration with the world.
现在正值进入新世纪之际,我们决心继承和运用在香港办学多年所累积的经验及所建立的网络优势,开办一所兼具中国文化特色与国际视野的中、小学一条龙书院;让学生接触世界多元文化,给学生提供广濶学习经历,培养他们优良的英语和中国语文能力,使他们成为思辩敏锐、求真好问、有深厚中华文化根基兼具国际视野,能在新世纪把握机遇发挥所长,为香港继续繁荣、为中国走向世界作出贡献的新生代。
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This is the season when people spend the most, with Halloween famed with its craziness at the most, Thanksgiving with its friendship at the best, Christmas with its family happiness as the Holiest/Jolliest, and the New Year's Eve counting down as the focal point.
这是欧美每年花费最高的季节,以万圣节狂欢最为尽情,感恩节友好联欢最和谐、圣诞节合家团圆餐最贵重、和新年年夕晚欢最隆重为各自的特点。
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It is found that TiO2/pillared MMT (TiO2/MMT) composite catalyst exhibits the best degradation activity to methylene blue and methyl orange compared with other semicondutors/MMT, such as SnO2/MMT, Fe2O3/MMT and Cu2O/MMT with different energy gaps that is closely correlated with the formation of stable pillar stucture and appropriate energy gap in the TiO2/MMT.
在对具有不同能带宽度的TiO2、SnO2、Fe2O3和Cu2O四种半导体/蒙脱土复合催化剂的研究中,发现TiO2柱撑蒙脱土(TiO2/MMT)对亚甲基蓝和甲基橙有最好的光催化降解活性,这是与其形成稳定的层柱结构和TiO2具有合适的能带宽度密切相关的。
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Among the best known are: Christ Church, founded in 1546, with its large front quadrangle and its famous chapel ; Magdalen College, founded in 1458, with its tall bell-tower in the perpendicular style on which the chapel choir sings at dawn on May Day ;All Sows College ,founded in 1437, which is unique in having no undergraduates but only fellows; and New College, founded in1397,with its fine chapel and well-known choir.
该大学的基督教学院、莫德伦学院、万灵学院和新学院最为出名。基督教学院建于1546年。校园前面是个宽阔的四方院,学校的附属教堂远近闻名,也是牛津教区的主教堂。莫德伦学院建于1458年,这儿有座高耸的钟楼,具有垂直式的风格,每年五朔节一早,教堂的唱诗班将在钟楼上咏唱。万灵学院建于1437年,该学院与众不同的是只有研究生而无本科生。新学院建于1379年,它的教堂与唱诗班很有名。
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The site is socially oriented with such features as a personal page for every member with photo gallery; ability to share your personal best accomplishments; find new friends with the Partner Finder tool; ability to edit every single page on the site wiki style; ability to leave your comments and personal experiences; draw and share maps of your favorite runs, hikes, and bike rides; and a goals section for posting and searching common sports related goals.
网站上有每名成员的个人网页,网页上有照片图片展示;用以和他人分享你的个人最佳的经历、成就;能用&寻找搭档&这个工具来寻找新的伙伴;可以编辑页面站点上的每一页的wiki样式;能留下您的评论和个人经验;可以描述并且和他人分享你最喜欢的跑步、徒步旅行或者骑车的地图路线;并且若是一个共同的相关目标会分为公布和搜寻两部分。
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In the design, the company will be traditional with the modern high-tech hardware technology combined with market demand, combined with the upgrading of consumption concept, and now into the new art of living, to continue to provide consumers with more inspiration, the most Self-confidence and the best way forward, to help consumers create a metal star proud of the house!
在设计理念上,公司将传统的五金工艺与现代高新技术相结合,针对市场的需求,结合消费观念的提升,并融入现在生活艺术推陈出新,不断向消费者提供更多的灵感,最强的自信与最佳的方案,帮助广大消费者营造一个引以为荣的五金星级的家!
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力