结构化
- 与 结构化 相关的网络例句 [注:此内容来源于网络,仅供参考]
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04 Nm,respectively,were used as catalysts prepared by impregnation for amination of monoethanolamine with ammonia,and their structures were characterized.
以3种具有纳米晶相结构的丝光沸石为原料,采用浸渍法制备了乙醇胺胺化反应的催化剂,并表征了催化剂的结构,考察了丝光沸石结晶度和晶粒尺寸对胺化催化反应的影响。
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To avoid the influence of ammonolysis, alcoholysis and hydrolysis on molecular structure identification, in this paper, derivational estimation is utilized to confirm molecular structures ofβ-naphthol-containing sulfonyl chloride intermediates. Then the structures of corresponding sulfonamide dyes are also confirmed by FTIR,~1H NMR and mass spectrometry.
为了避免磺酰氯化合物发生水解、醇解和胺解等衍生化反应影响磺酰氯化合物分子结构表征,本文采用衍生化反推法证明了β-萘酚结构磺酰氯化合物的分子结构,并利用红外光谱、核磁共振氢谱、质谱表征了含β-萘酚结构磺酰胺染料的分子结构。
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The results show that the glass-ceramics with fibroid structure is produced after definite heat treatment, the main crystallization phase is hedenbergite and anorthite is the minor crystallization phase. The optimal process of heat treatment shows as follows: the nucleation temperature is 850 ℃ and hold time is 100 min, and the crystallization temperature is 980 ℃ and hold time is 80 min. With increasing heat treatment temperature, the FT-IR absorption bands appear obvious split, the aluminum-oxide polyhedron in the glass network changes from [AlO4] to [AlO6]. The titanium ion in the glass network gradually transforms to the 6-coordinated, moreover forms minicrystal of MgTi2O5 and Fe2TiO4 which provides the position of heterogeneous nucleation for the growth of crystal.
结果表明:在一定的热处理条件下可以以基础玻璃制备出主晶相为钙铁透辉石,次晶相为钙长石的纤维状结构的微晶玻璃;最佳的热处理工艺为:850 ℃核化100 min,980 ℃晶化80 min;随着热处理温度的升高,红外吸收带发生明显的分裂;玻璃结构中的[AlO4]向[AlO6]转化;网络结构中的钛离子逐渐转变为六配位,形成微晶相——钛酸镁和钛铁晶石,为晶体的生长提供非均匀形核位置。
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The soluble tetra-alkyl phthalocyanine compounds have the following general structure, wherein Rn represents straight-chain or branching chain alkane, n represents the number of straight-chain or branching chain alkane, M represents center ligand of bivalence or more, L represents axial ligand, X represents the number of L.
该可溶性四烷基酞菁化合物符合如下结构通式:结构通式中,Rn代表直链或支化链的烷烃,n代表直链或支化链的烷烃的数目,M代表二价或二价以上的中心配体,L代表轴向配体,X代表L的数目。
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The chondrocytes of different generation were observed with light-microscope and transmission electron microscope for cellular growth and ultromicrostructure, with the method of MTT assay for grow curve and proliferation, with alcian blue test for GAG of ECM, with immuocytochemistry and RT-PCR (reverse transcript -polymerase chain reaction)for type Ⅱcollagen, with flow cytometry for cell life cycle ,histochemistry for S-A-β-galand so on by which to identify cataplasia and senescence of chondrocytes cultured in vitro.
对软骨细胞退变老化进行观察,采用相差显微镜观察其生长情况,透射电镜观察细胞结构,阿力新蓝染色检测胞外基质硫酸GAG含量和结构,免疫细胞化学法和RT-PCR方法检测Ⅱ型胶原鉴定软骨细胞,以MTT比色法描绘生长曲线、检测生长状态,组化法检测老化相关β-半乳糖苷酶,流式细胞仪分析细胞周期和增殖指数。3。
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This paper studies the main geometrical parameter such as angle, height, width, stagger and the upper width in dentation and trapezoid flow path, firstly, uses the single-phase numerical simulation of the computational fluid dynamics technique to analyse the influence of different geometrical parameter on discharge coefficient and flow state exponent of drip emitter. Secondly, uses the two-phases numerical simulation of CFD (1% sand content ) to analyse the influence of the above mentioned geometrical parameter on the contribution regulation of sand and anti-clogging performance. Thirdly, uses the PIV ( particle Tracking Velocimetry ) technique which can see the small-scale flow path to observe and test the trajectories and velocities of solid particles in labyrinth flow path, and analyses the basic factors which can influence the movement characteristic of solid particles and the flow state in flow path.
本文以齿形流道、梯形流道为主要研究对象,以流道转角、流道高,流道宽、偏差量及梯形流道上底宽为主要结构参数,首先应用 CFD 单相流数值模拟技术对不同结构参数灌水器流道水力性能进行模拟,分析了不同结构参数对流态指数和流量系数的影响,其次,应用 CFD 两相流(含沙量为1%)数值模拟技术分析了结构参数对含沙量分布规律和抗堵塞性能的影响,然后,应用 PIV 可视化测试方法测试了固体颗粒在流道内运行轨迹及速度,分析了影响固体颗粒运动特性及流道内流体流态的基本因素,最后,对上述流道结构形式通过模具加工及滴灌带试制,进行了标准化测试( GB/T 17187-1997 农业灌溉设备滴头技术规范和试验方法与 ISO 标准 ISO /TC23 /SC18 /WG5N4短周期堵塞测试程序),测试结果验证了 CFD 模拟结果,并提出了迷宫结构流道灌水器的抗堵塞设计方法。
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On the basis of the improved structure and under the premise of meeting specification requirement, the light steel door-truss structure is optimally designed by changing, cycle checking and gradually reducing the cross section size of overall structural member with the ANSYS parametric design language. The mechanical properties such as changes in stiffness, strength and stability of the optimized structure are completely analyzed under three load cases.
基于改进结构,在满足相关规范的前提下,利用ANSYS软件的参数化命令流语言(ANSYS parametric design language, APDL),通过改变结构杆件截面尺寸,对整体结构杆件的截面采用循环校核、递减尺寸,并对轻钢门式桁架结构进行优化设计,分析了优化结构在3种荷载工况组合条件下的整体刚度、强度及稳定性等力学性能的变化,给出了改进前后与优化前后结构的力学特性对比。
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The invention discloses a method to integrate single CMOS with bulk silicon microelectromechanical system, its technical project: 1 forming isolating groove: adopting deep-groove etching, and SiO2 and polycrystal silicon filling to realize the insulation of MEMS structure and CMOS circuit; 2 making standard CMOS circuit; 3 using SiO2 and Si3N4 as mask, etching silicon on the back until exposing SiO2 at the bottom of the isolating groove, to complete the thickness control for MEMS silicon structure layer; 4 completing metalizing the CMOS circuit and masking the MEMS structure: MEMS structure region uses Al as mask and CMOS circuit region uses thick photoetching glue as mask, using DRIE to release silicon structure.
本发明公开了一种将单片CMOS与体硅微机械系统集成的方法,其技术方案为:1形成隔离槽:采用深槽刻蚀,SiO 2 和多晶硅填充,实现MEMS结构和CMOS电路的绝缘;2完成隔离槽后进行标准CMOS电路的加工;3用SiO 2 和Si 3 N 4 作掩膜,从背面腐蚀硅,直至暴露出隔离槽底部的SiO 2 ,完成MEMS硅结构层的厚度控制;4完成CMOS电路金属化和MEMS结构掩膜:MEMS结构区用铝作掩膜,CMOS电路区用厚光刻胶作掩膜,用DRIE释放硅结构。用本发明方法不仅获得了较大的质量块,而且用本发明较高的深宽比制作出的结构电容,同时实现了体硅微机械与CMOS电路的集成,显著提高MEMS传感器的精度和稳定性,具有前沿性和重要实用价值。
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The thermal boundary condition of the cast iron cooling stave with surface alloyed steel pipe was used for numerical simulation of temperature field and commercial software ANSYS and the method of coupling heat-structure were used to calculate thermal deformation of steel pipe at high temperature,and analyze the influence of air gap and thermal deformation on the life of cooling stave.
根据合金化管铸铁冷却壁热态试验数据确定了合金化管铸铁冷却壁温度场数值模拟的边界条件,利用ANSYS软件、采用热-结构耦合的方法计算了高温状态下合金化管铸铁冷却壁内钢质冷却水管的变形,分析了气隙层和水管热变形对合金化管铸铁冷却壁寿命的影响,得出保证合金化管铸铁冷却壁长寿的最佳气隙层厚度和相应的最佳使用热负荷。
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The results of FT-IR 1H-NMR indicate the structure of polyester, and the 13C-NMR analysis of three quaternary carbon showed the existing of hyperbranched struscture, MALDI-TOF MS showed the hyperbranched polyester structure, the degree of branching of the polyesters determined by 13C-NMR being 0.408. The esterification reaction kinetics followed a second-order equation and the reaction rate was controled by the concemtration of carboxyl group and hydroxyl group,-d/dt=K.
以IR、1H-NMR证实了聚酯结构的存在,13C-NMR谱图上3种季碳的特征峰有力证实了超支化分子结构的存在,MALDI-TOF MS证明了超支化聚酯的成功合成,并计算超支化聚酯的支化度为0.408;探讨并建立了超支化聚酯的缩聚反应动力学方程-d/dt=K,该缩聚反应属于二级反应,反应速率由羟基浓度和羟基浓度共同决定。
- 推荐网络例句
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Plunder melds and run with this jewel!
掠夺melds和运行与此宝石!
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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。
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When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。