化
- 与 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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Extract information based on the instantaneous features : In the center is one of the instantaneous rate of the power spectral density of the maximum, is a center to the absolute value of the instantaneous rate of the standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component absolute standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component standard deviation, In the center is one of the non-weak signal of the absolute value of the instantaneous frequency standard deviation, a signal to one of the instantaneous frequency of the power spectral density of the maximum, According to 16QAM and QPSK signals XI axis projection in the different performance parameters raised.
提取信号七个基于瞬时信息的特征:零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差,零中心非弱信号段瞬时相位非线性分量绝对值标准偏差,零中心非弱信号段瞬时相位非线性分量标准偏差,零中心归一化的非弱信号段瞬时频率绝对值的标准偏差,一个信号段的归一化瞬时频率功率谱密度的最大值,根据信号 QPSK 和16QAM在 XI 轴投影的不同表现,提出特征参数。
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Protein deamidation is one of the post-translational modifications which also include phosphorylation, methylation and acetylation.
蛋白质的去胺基化是属於后转译的修饰作用,其中还包括磷酸化、甲基化及乙醯化。
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The preparation methods of sulfonated coal and factors such as sulfonation time, sulfonation temperature and ratio of acid to coal etc.
试验研究了褐煤制磺化煤的制备方法及磺化温度、磺化时间、酸煤比等因素对产物磺化煤的离子交换活性的影响。
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The application form of acidifier has developed from single acid to compound acids. But reasonable compound acidifier is insufficiency in theoretics to sustain, this is the weakness aspect in acidifier research. The evolution about these aspects have been summarized in this article.
酸化剂应用形式也经历了由单一酸到复合酸的过程,但复合酸的合理配伍缺乏相应的理论基础,目前关于各种酸化剂的互作关系以及酸化剂和其他添加剂间的互作效应的研究正逐步展开,必将为酸化剂的进一步发展提供理论支持。
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Acidifier supplementation I could improve significantly average daily gain,feed conversion ratio,apparent digestibility. Acidifier supplementation II could reduce diarrhea rate. And the reason needed to be research further.
酸化剂产品Ⅰ提高羔羊的增重速度、饲料转化效率和饲料主要营养物质表观消化率的作用效果均优于酸化剂产品Ⅱ,但酸化剂产品Ⅱ降低腹泻率的效果优于酸化剂产品Ⅰ,这可能与不同产品中酸的种类、组成不同有关,其机理尚有待进一步研究。
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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.The optimal size of air gap and hot load to guarantee long life of cast iron cooling stave were obtained.
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 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。
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There is high precision in the model experiment of sloping plate and the RTP field errors are less than 0.001 nT. In the model experiments of single and multi-sphere, we can obtain the better RTP results using the DCT method when the magnetic dip is 5°, and the results are excellent when the dip is 15°.The shape of contour line, the maximum and the plane location of magnetic model are all good comparing with the theoretical anomalies when the model is perpendicular magnetization.
在倾斜板状体模型实验中,化磁极误差小于0.001 nT,具有较高的精度;在单球体及多球体模型实验中,采用基于DCT的化磁极方法在5°倾斜磁化时就可以取得较好的化磁极结果,15°时化磁极的效果更加明显,其等值线的形态、幅值以及所反映的磁性体的水平位置都得到较好的恢复;这说明,采用本文方法进行化磁极时,可以取得较好的效果。
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Several types of processes and characteristics of super-fine SSP are analyzed and compared, they are high frequency plasma spherical method, direct current plasma spherical method, carbon pole electrical arc spherical method, gas burnt flame spherical method, high temperature fused quartz jet and chemo synthesis spherical method.
本文对国内的研究开发现状和国际球形石英粉的生产现状进行了分析研究;分析比较了高频等离子球化法、直流等离子体球化法、碳极电弧球化法、气体燃烧火焰球化法、高温熔融喷射以及化学合成球化法的工艺特点。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。