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Chapter 2 has analysized the conversly synthetic means of solanesol and designed novelly synthetic routes of solanesol and key intermediate Chapter 3 has summarized the preparation of trans-3-methyl-4-hydroxy (bromo-2-butenyl oxy methyl benzene In chapter 4 ,a novel technology of important intermediate(all trans-8-bromo geranyl acetate),which is suitable for industrial procedure , was found .meanwhile,an another new way has been invented ,of which the key intermediate (all trans-8-hydroxy geranyl acetate) has been produced.
第二部分分析了茄尼醇的逆合成方法,设计了一条适合于合成茄尼醇的合成路线及其重要中间体的合成路线。第三部分研究了重要中间体[Trans-3-甲基-4-羟基-2-丁烯基乙酰基(苄基,2,3-二氢吡喃基)醚]的合成新方法,找到了一条适合于工业化生产的制备反式-3-甲基-4-羟基-2-丁烯基苄基醚的新方法。第四部分研究了重要中间体[-3,7-二甲基-8-羟基-2,6-辛二烯-1-醇乙酸酯、-3,7-二甲基-8-溴-2,6-辛二烯-1-醇乙酸酯]的合成新方法,找到了一条适合于工业化生产的制备它们的新方法;同时研究了一条制备-3,7-二甲基-8-羟基-2,6-辛二烯-1-醇乙酸酯的另一新方法。
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The reporter is learned from province glycuresis prophylactico-therapeutic hospital, whole province diabetics has already amounted to 1 million at present , Hangzhou among them have accounted for almost 1/4 right away , the most patient has all been juat now better-off get up "well-off family", a lot of child has also contracted glycuresis , has made peopel most worry.
记者从省糖尿病防治中心获悉,目前全省糖尿病人已达100万,其中杭州就占了近1/4,绝大多数病人都是刚刚富裕起来的&小康之家&,许多小孩也患上了糖尿病,最令人忧心。
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Fuzzy self-tuning PID control arithmetic in this paper has really intelligent and flexible, which has auto-measurement, gathering and dealing and show in control result and so on. It has high control precision, making the processing of quality heat treatment apparatus has guidable significance.
本文提出的基于模糊的自整定PID控制算法的温度控制系统具有真正的智能化和灵活性,有自动检测、数据实时采集、处理及控制结果显示等功能所获控制精度高,对高质量热处理件的加工具有指导意义。
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The high sensitivity and specificity of real time RT-PCR were shown by The test result, 10~7 of the diluted allantoic fluid infected by AIV can also be detected, and has no cross-reaction with common Avian virus and Avian vaccines, such as low virulent NDV and IB V vaccine.5 days after the broiler has been injected with AIV vaccine, no matter hypodermal or muscular injection, the real time RT-PCR has not found any AIV nucleotide, indicating the use of AIV vaccine has no effect on the test results.
在检测禽流感感染的尿囊液时,尿囊液稀释至10~(-7)仍可检出病毒核酸,荧光RT-PCR方法的特异性也很强,检测时与禽群常用的疫苗如新城疫弱毒疫苗、传染性支气管炎弱毒疫苗等均不出现交叉反应。
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According to all-around investigating on wild Lonicera fragrantissima in various mountainous areas of Henan Province, this article has maken clear Lonicera fragrantissima regional distribution, Total resources quantity, biologic characteristics, ecologic characteristics, natural distribution patterns, the value of development and utilization, using form, cuttage and breeding technology, the collection and protection of wild idioplasmic resources and so on. It detailedly describes wild resources distribution, biologic characteristics and ecologic characteristics. It has classified and selected a batch of superior trees according to the differences in fruits shape, fruits color, leaf shape and shape of the crown of trees. It has based on the nutrition and medication ingredient analyzed the using methods of fruits and leaves, and the way of exploitation.Through the experiment on Lonicera fragrantissima cuttage and breeding technology, transplant and domestication technology, it has provided the concrete technical measure of idioplasmic resources use and the preservation for Lonicera fragrantissima.
本文通过对河南省各山区野生郁香忍冬资源的全面调查与研究,摸清全省郁香忍冬资源的区域分布、资源总量、生物学特性、生态学特性、自然类型与经济性状、郁香忍冬的开发利用价值、利用形式、扦插育苗技术和野生种质资源收集保存与保护方法措施等,对河南省郁香忍冬野生资源的分布,生物学特性、生态学特性进行详细描述总结;根据果形、果色、叶形、冠形的差异性进行了类型划分,并选出了一批优树;根据果实、叶片中的营养与药用成分分析、果、叶利用方法研究,分析了其开发利用途径,并开展了郁香忍冬扦插育苗试验和苗木移栽训化试验,为郁香忍冬种质资源利用和保存提供了具体技术措施,其主要结果如下: 1、郁香忍冬属中性偏阳的低矮灌木树种,在灌木坡上当其处于上层空间时或纯林分布时,生长最好。
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Gao jianwei has made thespeech which warmly brims with, he said: china took in the world oneof most beautiful national, has innumerably make person wonderful shan xiushui, the chinese traveling economy is graduallybecomes take the vigorous development strong tendency the chinese neweconomy growth spot, the development traveling economy, the promotiontraveling industry development has brought as china has been joyfulmultiple profits.
启动仪式上,中华旅游小姐大赛创始人、国际机构主席高建伟先生发表了热情洋溢的致辞,他说:中国作为世界上最为美丽的国家之一,有着无数令人心驰神往的奇山秀水,中国旅游经济更是以蓬勃发展的强劲势头逐渐成为中国新的经济增长点,发展旅游经济、促进旅游产业发展已为中国带来了令人欣喜的多重受益。
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No doubt ,our legislative and judicative activities must obey those rules ; many other theses also has talked about that. But the difference is , this dissertation not only has talked about the martime transport service rules under GATS , but also has introduced the new negotiation about maritime transport service in Doha. Next it pointed out the difficulties of the new negotiation and predication has been given. It hopes that this part will give somewhat help to people whose work related on maritime service .
第一部分介绍了 GATS 中的海运服务规则,无疑这些规则都是我国海运服务立法和司法实践应该遵守的,以往的学术论文对此也多有涉及,所不同的是,本文除 GATS 中的海运服务规则外还就海运服务新一轮谈判的情况作了较为详尽的介绍,指出了海运服务谈判存在的现实困难,并预测了海运服务谈判的前景,以期能为从事海运服务理论研究和实践工作的人员作一定的参考借鉴。
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First, a model of transformer has been built and analysed to formulate the expression of pulse on the load capacitor, which can demonstrate the influence of major parameters of transfomer on the charging time and efficiency of energy-transmitting. The influence of output pulse when the resistor of circuit is being took into account also has been analysed by the means of circuit simulation and approximate solution of circuit equation. The efficiency of energy-transmitting under dual nonresonant condition has been analysed and the parameters of transformer has been decided.
首先,对空心变压器的理论模型进行了分析,在得到了输出脉冲电压的表达式的基础上分析了变压器各主要参数对脉冲充电时间和充电时能量传输效率的影响;同时还通过近似求解状态方程的方法对考虑线路电阻时输出脉冲受到的影响进行了分析;讨论了在非双谐振情况下的能量传输效率的问题。
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The main conclusions are the following:1 It is a effective means that making use of the high resolution remote sensing imagery has quickly and dynamically investigated and monitored the land use type ofRed Water River, and has carried through the four grades of classification, and its result has achieved the precision requirement of the minimum area of obvious land use type (cultivated land, field, economic forest) less than 9 pixel of imagery, area precision 9~27 pixel and 0.33 hectares.2 It is a high-efficient and feasible means that making use of the digital managing technology of wave band merging, precise geometry correction, imagery merging, imagery strengthening, imagery cut out and inlay, and making the orthograph, etc, and observing on the spot to data analysis, it has carried on people-computer interactive screen translating to the remote sensing imagery data of high resolution by using many kinds of geographical information systems soft ware.
主要结论如下: 1 利用高分辨率遥感影像进行快速、动态调查与监测红水河流域土地利用类型,并将土地利用类型进行到四级分类,达到重点地类图上最小面积9个像元,面积精度9~27个像元、1.5亩的精度要求,是一种行之有效的方法。
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The second part theoretically explains the connotation, the characteristic and the significance of the teacher's research in the processing evaluation .the teacher's research in the processing evaluation is that the teacher as the main researcher, in view of the question encountering during the processing evaluation, carries on the motion research in the help of the specialized researcher's instruction, mainly in the mutual help of the teacher companion; It is that the teacher carries on the research in this specific domain of the processing evaluation, so it belongs to the category of teacher's research. And it has common character ,such as practicality, openness and scientific nature which the teacher's research has, simultaneously it also has own research character such as productive nature and processive nature ; It has the significant practical significance in regarding of the processing evaluation ,the teacher career development and the students development.
过程性评价中教师研究是教师作为研究主体,针对在过程性评价过程中遇到的问题,在专业研究人员指导下,主要是在教师同伴互助下进行的行动研究;它是教师在过程性评价这个特定领域中进行的应用研究,属于教师研究的范畴,具有教师研究的一般特点如实践性、公开性和科学性,同时也具有自身的研究特点如生成性和过程性;其对于过程性评价、教师专业发展和学生的发展都有重大的意义。
- 相关中文对照歌词
- Keep Tha "P" In It
- It Has To Be You, It Has To Be Me
- Struggle Not
- Us V Them
- Love Has Gone Away
- So Good
- The Future Has Arrived
- Fear
- Everybody Has A Dream
- Sex Has Come Between Us
- 推荐网络例句
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The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.
本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。
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"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."
&每一次人类的感染都暗藏着一次基因修改的机会,无论是通过病毒的整合、突变或者兼而有之。。。。&
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Beside the introduction, concerning the background and meaning of selected title, several studying prerequisites and assumptions, the contents and structure, the train of thought and method, domestic and international research overview and document reviewing, etc. this text divides three chapters altogether, its main content is as follows: the inevitability of developing commercial nonproprietary mutual funds, the superiority analysis of this fund, and what is and how to manage the latent difficulties operating this fund, etc.
除前言对选题背景与意义、研究的若干前提与假设、研究的思路与方法、国内外研究概况与文献回顾以及论文的基本结构等内容进行阐述外,本文共分三章,其主要研究涉及:商业银行发展自营投资基金的必然性,商业银行自营投资基金的优势及面临的问题的分析、对商业银行发展自营投资基金业务的建议,等等。