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For two Three-Columniation End Moment Equations at neighbor points, moved out sidesway , it is Three-span Moment Equation of frame that be relationship moments in three spans with load.
利用在连续两个结点上的三柱端弯矩方程,消去侧移分量产生刚架连续三跨的柱端弯矩与荷载关系的三跨弯矩方程。
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The author stressfully compare financial variables of possibly acting as intermediary goals: monetary supplies, market interest rate and inflation rate in terms of monetary multiplier, monetary circulating velocity, and basic money etc, which tries by comparing to that the index of monetary supplies is superior to the others in terms of measurability, controllability, and anti-disturbance.
其后在这一部分中本文结合经济与金融环境的变化,从货币乘数、货币流通速度、基础货币等几个方面,重点比较了货币供应量、市场利率和通货膨胀率等三个可供作为货币政策中介目标使用的金融变量,力图通过比较来说明,从可测性、可控性和抗干扰性等多个角度看,货币供应量优于另外两个指标。
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In order to get the information of interaction between metal complex and DNA and select metal complexes which can cleave DNA effectively, twenty seven transition metal complexes containing O/N coordinate atoms have been synthesized in this thesis. We report the synthesis, crystal structure and properties of the complexes. One of the complexes is the first μ〓-oxalato tetranuclear Cu complex, in which there is ferromagnetic interaction between the copper atoms bridged by oxalate ions. Two trinuclear copper complexes containing partial cubane Cu〓O〓 cores have been synthesized and discussed the magnetic properties.
为了解金属配合物与DNA的相互作用及筛选能有效切割DNA的金属配合物,为无机药物合成及应用提供基础信息,本文利用十个含N、O原子的多齿配体设计合成了二十七个未见文献报道的过渡金属配合物,并解析了它们的晶体结构:其中包括首例μ〓-草酸根的四核铜配合物;合成了两个具有μ〓-OH〓三核缺角立方烷结构的Cu配合物;以HCBP衍生物为配体合成了七个过渡金属配合物;以SCN〓、N〓,C〓O〓等为桥联配体,以dmpyen为端基配体合成了十一个配合物。
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The results are following:(1)We investigated the influence of the positional isomeric effect on structures.Due to the less space-crowding,it is easier for 3-pytpy to behave as bridging ligand than 2-pytpy under the same reaction conditions,while,it is easier for 2-pytpy to function as tridentate chelating ligand to construct supramolecular structures.
研究结果如下:(1)研究了两个吡啶取代三联吡啶配体的位置异构效应对配合物结构的影响。3-pytpy配体比2-pytpy具有更小的空间位阻,在相同的合成条件下容易以单-三齿桥联方式配位;而2-pytpy更易以三齿螯合形式配位,通过π…π堆积作用形成超分子结构。
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At 60 ℃ the reaction of 1-O-alkyl-2-O-acetyl-3-O-trityl glycerol with iodine/methanol system removed trityl and acetyl and gave 1-alkyl glycerol. But at r.t. the reaction only removed trityl and gave two isomers 1-O-alkyl-2-O-acetyl glycerol and 1-O-alkyl-3-O-acetyl glycerol.
1-烷氧基-2乙酰氧基-3-三苯甲氧基甘油醚与碘/甲醇体系反应,在60 ℃时,同时发生了脱三苯甲基及乙酰基,在室温下,仅脱三苯甲基,但乙酰基在反应过程中发生了部分转移,产生了两个异构体。
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These results reveal that the APC〓 trimers in the core cylinders of phycobilisomes favour a standard face to face manner to associate into a〓 hexamer, but probably, the APC〓 trimers cannot form a stable〓 hexamer like C-PC and R-PE hexamers due to the relatively weaker association between two trimers, but a relatively looser hexamer.
这些结果表明位于藻胆体core cylinder中的APC〓三聚体趋向于以通常的面对面的方式缔合成〓六聚体,但由于六聚体内两个三聚体之间的相对较弱的相互作用,APC三聚体很可能不能形成象C-藻兰和R-藻红一样的稳定的六聚体,而只能形成一个相对松弛的六聚体。
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In both cases, their growth to date owes much to multiple expansion: India's doubling in three years; China's trebling in two years.
迄今为止,两个市场的增长都主要得益于市盈率的扩张:印度的市盈率过去三年翻了一番,而中国在过去两年增长了两倍。
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Under the banner of The Global Stone Show Group, the five shows ?three in the US and two in the UK and Ireland - will work together to meet the demands of a world-wide increase in the use of natural stone and provide a marketing platform for manufacturers, distributors and suppliers.
此次展览由世界石材展览联盟的五个成员一起,旨在满足世界市场对石材需求的增加同时也为生产商、分销商和供应商提供平台,五个成员三个来自美国拉斯维加斯、迈阿密、纽约(Las Vegas, Miami and New York)还有两个分别是英国的伦敦和爱尔兰的都柏林。
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SMD-MC34119 Pinout: C Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel C Double PWM Generation, Capture/Waveform Mode, Up/Down Capability One Four-channel 16-bit PWM Controller One Two-wire Interface C Master Mode Support Only, All Two-wire Atmel EEPROMs Supported One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os IEEE 1149.1 JTAG Boundary Scan on All Digital Pins 5V-tolerant I/Os, including Four High-current Drive I/O lines, Up to 16 mA Each Power Supplies C Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components C 3.3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply C 1.8V VDDCORE Core Power Supply with Brownout Detector Fully Static Operation: Up to 55 MHz at 1.65V and 85C Worst Case Conditions Available in a 64-lead LQFP Package
SMD-MC34119引脚说明: C款三输入外部时钟,两个多用途I / O引脚每通道双PWM生成,捕获/波形模式,上/下能力的一个四通道16位PWM控制器一两线接口C中间模式支持,只有在所有两线Atmel公司的EEPROM支持的一个8通道10位模拟数字转换器,四通道复用数字I / O的IEEE 1149.1 JTAG边界扫描所有数字引脚5V容限I / O口,其中包括4大电流驱动I / O线,最多一六毫安C镶嵌每个电源1.8V的稳压器,绘图高达100的核心和外部元件 3.3 VDDIO毫安I / O的电源线,独立电源3.3V的VDDFLASH闪光 1.8 VDDCORE核心电源掉电检测与全静态工作:高达55兆赫和85℃时为1.65V最恶劣条件下以64引脚LQFP封装
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To optimize the reaction condition for the purpose of target compounds synthesis, the advance of 1,3-dipolar cycloaddition and click chemistry is reviewed. The conditions of the reaction between azides or nitrile oxides and terminal alkynes were optimized experimentally and the best operation condition was established.
以此为核心,以价廉易得的小分子原料通过数步反应,分别合成了异噁唑、三氮唑杂环取代(来源:29ABceC论文网www.abclunwen.com)的甲烷衍生物和三嗪联三氮唑杂环衍生物这两个比较有意义的小分子化合物库,达到了分子的多样化。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。