在进行中的
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This article mainly discusses the large-scaled cultural conditions of clone in Gametophyte Laminaria .It studies the proper temperature, light time, light intensity, the consumption of nitrogen and phosphorus, the cultural state and inoculating density on the growth of gametophytic clone, the experiment of large-scaled culture had been done under comparatively proper conditions, in the same time, we studied the growth rule of gametophytic clone in the cultural process.
本文主要探讨了海带配子体克隆的大规模培养条件,对海带配子体克隆生长的适宜温度、光照时间、光照强度、营养盐消耗、培养状态以及接种密度进行了研究,并在相对适宜条件下进行了大规模培养实验,同时,对海带配子体克隆在培养过程中的生长规律进行了研究。
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Since inextensible reinforcements do not stretch under design loading, they are the preferred MSE reinforcement type for highway structures in general and for critical structures such as bridge abutments in particular, where deformation control is crucial to structural performance of both the superstructure and the abutment.5 Inextensible reinforcements have been used successfully in MSE bridge abutment structures for thirty-five years, while research is still underway trying to develop an extensible
由于不可拉伸的加筋体在设计承载下不能拉伸变形,因此它们一般是公路结构,尤其是桥肩等重要结构中的首选材料,因为在这些结构中,变形控制对上层建筑和桥肩中性能表现是很关键的因素。不可拉伸加筋体在加筋土桥肩结构中已经成功的使用了35年,与此同时,研究能够在桥肩应用中性能有保证的可拉伸加筋体的工作正在进行中。
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Based on analysis of degradation and transformation of organic compounds in coke plant wastewater through every stage of the A 1 A 2 O biofilm system,several typical nitrogen heterocyclic compounds (pyridine,indole,quinoline,isoquinoline,2\|methyl quinoline and 8\|hydroxyl quinoline) in coke plant wastewater were selected for the study.
在对焦化废水中有机物在A1 A2 O生物膜系统中降解转化规律进行分析的基础上,选取焦化废水中 6种主要的含氮杂环化合物:吡啶、吲哚、喹啉、异喹啉、2 甲基喹啉、8 羟基喹啉,与苯酚共同配制成溶液,在A1 A2 O生物膜系统中运行,结果表明上述几种含氮杂环有机物在A1 A2 O系统中都可得到较完全的去除。
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Statistics show that Mahonia plant has high genetic diversity, and the distance of gene of same species with different place of origin is markedly smaller than that of different species. The species can be identified by comparing the distance of gene between populations with that of database.
统计结果显示:十大功劳属植物具有很高的遗传多态性,在研究的30个随机引物中,多态性比率为95%;不同产地的同种植物的遗传距离明显小于不同种;在应用中可望对待鉴定材料进行相同引物的扩增,引入数据库,通过计算样品与数据库标准样品的遗传距离来对待测样品进行鉴别,或直接通过聚类来确定其归属。
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Along with the wide application of hydrogenation technology in the oil refining industry, the processes of heating, boiling and condensation of the petroleum products are in the conditions of having a lot of noncondensable gas in the hydrogenation heat exchanger and furnaces.
随着加氢工艺在炼油工业中的广泛应用,加氢换热器和加热炉中石油的加热、沸腾和冷凝过程都是在有大量不凝气体存在的情况下进行,但目前关于含不凝气体的石油产品的换热研究进行得很少。
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Based on the wave equation in the acoustic fluid space and the theory of thin-wall structure, the uncoupling error in low frequency range about the nonsymmetrical coupled structure-acoustic analysis equation is studied.
该对称模型特征值的非负性及特征问题的可降阶性也在本文中进行了深入研究,同时指出了在复模态分析中应当注意的问题;(2)由声空间波动方程和薄板理论出发,对非对称声振耦合方程的低频解耦误差问题进行了研究。
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Newly-decorated houses face serious phenomenon of formaldehyde concentration in Northest Normal Univercity above the values as specified in standards, 19 out of 30 datagroups actually measured exceed the national standards, approximately 63%.The highest group comes around 6 times the standard value, average equals to 1.8 times.
本论文在 2005年8月到2006年3月间,在东北师范大学校园建筑内选择室内甲醛监测点,并对室内人员进行相应调查,对30个室内环境中的甲醛浓度作了分析、采样与监测,对其中甲醛污染严重的室内环境进行了重点跟踪监测,并对监测和调查的结果进行了研究与分析。
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In this paper, the background of fake information diffusion in public crisis management was firstly analyzed, and then three basic propositions and three hypothesis of simulation were concluded. Then, the management countermeasures of fake information diffusion in public crisis were classified as fifteen types according to the types of strategy and executive ability, and then fifteen corresponding simulation schemes were put forward. Meanwhile, a management simulation model of fake information diffusion in public crisis was constructed and used to phenomenologically simulate the scenarios and validity of five among these fifteen management countermeasures. At last, these simulation results were contrasted and analyzed, and five novel but meaningful conclusions were drawn.
首先对公共危机伪信息特殊性及其管理复杂性进行分析,得出论文研究的三大基本命题与三大研究假设;在此基础上,一方面分析了混沌理论方法在公共危机伪信息管理仿真中的适用性,并根据混沌情景预测方法构建了公共危机伪信息扩散的管理仿真模型,另一方面依据所提出的基本命题与研究假设,从管理策略与管理执行力度两方面对公共危机伪信息管理模式进行分类,形成了十五个仿真方案;最后利用所构建的仿真模型其中的五个仿真方案的管理绩效与扩散情景进行唯象仿真,并对仿真结果进行横向对比分析,得出五大结论。
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Ethel ether, propanone and methyl alcohol were used for the separation of sample, BRUKER VECTOR33 FTIR spectrometer was used for test. The infrared spectrums are analyzed, the qualitative and quantitative analyses of the components are shown and the function of every composition is explained.
分别采用乙醚、丙酮、甲醇等有机溶剂对样品进行分离处理,通过BRUKER VECTOR33傅里叶变换红外光谱仪进行测试,对分离后各组份的红外光谱特征进行解析,给出样品的定性和定量分析结果;对各组份在清洗剂产品中的功能进行了分析说明。
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In this study, the genomic structure and regulatory elements of ApoD from 10 representive species including protozoan, invertebrate, protochordate and vertebrate were analyzed and compared. The genomic structure of ApoD is less conserved in organisms from protostome to deuterostome invertebrates, while it is highly conserved among chordates including amphioxus and verebrates. All four conserved cysteine residues are present in amino acid sequence of deuterostome ApoDs, while there are only two cysteine residues in amino acid sequence of protostomes ApoD. Structure divergence between protostome and deuterostome ApoD proteins suggests their function difference. The majority of regulatory elements are present in nearly all organism ApoD genes ranging from unicellular protozoan to mammals, suggesting that ApoD plays a very fundamental role, and possesses a conserved regulatory mechanism. However, there also exist some specific regulatory elements, which are present only in certain species and may perform some special roles.ApoD mRNA expression in murine NIH/3T3 fibroblasts exposed to various stresses such as as hydrogen peroxide and UV light shows dose-dependent increase. And a fly homolog of ApoD, Glial Lazarillo, whose overexpression results in increased resistance to hyperoxia as well as a extension of lifespan under normoxia and resistance to starvation without altering lipid or protein content.
本文首先从生物信息学角度对分属于原生动物、无脊椎动物、头索动物和脊椎动物类群的10种动物ApoD的基因结构及调控区的调控元件进行分析及比较,发现:(1)ApoD基因外显子-内含子结构从原生动物草履虫到原口动物再到后口动物海胆的进化过程中不保守,但在分析的几种脊椎动物中相当保守;(2)文昌鱼ApoD基因扮演从无脊椎动物到脊椎动物承上启下的角色,可能代表了脊椎动物ApoD基因原型;(3)四个半胱氨酸保守位点在后口动物中都存在,而在原口动物中只存在两个,原口、后口动物ApoD蛋白一级结构上的差异反映蛋白功能上可能也存在一定差别;(4)调控区大多数主要调控元件为不同动物共有,说明ApoD主要功能及其表达调控在进化中相当保守;(5)ApoD基因个别调控元件是随着物种进化而出现并开始发挥相关作用,如SF-1;还有一些调控元件在进化过程中还没有发现其规律,这说明ApoD某些功能和基因表达调控模式可能因物种不同而存在一定的差异。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。