查询词典 dispersion

This system has function dispersion and can deal withparameter checking, calculation, control strategy, information output andprocess parameters time-control. These functions will auto-run effectuallyand reliably that make control dispersion.

在此理论基础上，论文提出了一种应用于印刷业张力联动控制的基于现场总线技术的集散控制系统DCS2000-MRT，介绍了该系统的主要功能、硬件组成、工作原理、软件设计及其实现方法。

We found that it is the effect of odd-order term of f which describe the total energy collocation between forward wave and backward wave that causes the difference of modulation instability between normal dispersion region and abnormal dispersion region.

第三，根据增益谱的比较，我们从色散关系式中看到了产生这种变化的原因。正是由于存在f奇次项的影响而导致了这种在正常色散区和反常色散区变化趋势的不同。

Through research, we find that the non-uniform dispersion of butyraldehyde in PVA solution is the main reason of PVB agglomeration. Adding butyraldehyde to the PVA solution at the temperature of 40-60℃can ensure the uniform dispersion of butaraldehyde in PVA solution.

通过改变工艺条件，在40-60℃的条件下，将正丁醛加入PVA溶液中，可保证正丁醛分散均匀，降至适当温度后，再滴加盐酸，这样在不加任何乳化剂的条件下也得到了粉末状的PVB产品。

The advantage of supercritical carbon dioxide used as an environmental medium in polymerization and reactions in supercritical carbon dioxide are described. It includes homogeneous free radical polymerizations, precipitation free radical polymerizations, dispersion free radical polymerizations, emulsion and inverse emulsion free radical polymerizations, cationic polymerizations, ring-opening polymerization, melt-phase condensation polymerizations, sol-gel polymerizations, polymer blend synthesis, catalytic chain transfer polymerizations, oxidative coupling polymerization, nitroxide-mediated radical dispersion, atom-transfer radical polymerization, reversible addition-fragmentation chain transfer polymerization, electrochemical polymerization, simultaneous one-pot combination of enzymatic and chemical polymerization, copolymerization of carbon dioxide used as monomer.

评述了ScCO2作为聚合反应介质的优点，以及在ScCO2中可进行的聚合反应类型，包括均相聚合、沉淀聚合、分散聚合、乳液及反相乳液聚合、阳离子聚合、开环聚合、熔融态缩聚、溶液-凝胶聚合、聚合物混合合成、链催化转移聚合、氧化-偶合反应聚合、氮氧自由基可控活性聚合、原子转移自由基聚合、可逆加成-断裂链转移、电化学聚合、原子转移聚合与酶催化开环聚合两种活性聚合在ScCO2中同时聚合、二氧化碳作为原料共聚合等。

Then, the characteristic of DMS parameters transmission evolving in dispersion map, which including amplitude, width, chirp and energy of pulse, are studied. With help of the numerical methods, it not only can be validated the results of guiding. center "breathing" soliton transmission theory, but also proved that robustness of DMS in changefully averaged dispersion value line.

结合数值计算方法研究了DMS参量如幅度、脉宽、啁啾以及脉冲能量在色散管理周期内演化特性，该结果传输系统的稳定传输的特性，从而不但验证了导引中心"呼吸"孤子传输理论的结果，而且证明DMS在不同的平均路径色散条件下的鲁棒性。

Through the invention, the chromatic dispersion monitor range is improved while ensuring the chromatic dispersion monitoring result resolution.

通过本发明，在保证色散监测结果分辨率的情况下提高了色散监测的范围。

Based on the mutual compensation of thermal dispersion and chromatic dispersion, the equations are formulated for athermalization of optical system.

提出基于热差互补原理的无热差光学系统设计方法，建立了一组既消热差又消色差的方程组。

The normalized efficiency T of thermal power dispersion and normalized efficiency C of chromatic power dispersion of optical materials are introduced.

引入光学材料的规化热差系数T和规化色差系数C，得到对无热差光学系统设计的材料选择具有指导作用的T-C图。

For present and future high capacity optical communication systems, chromatic dispersion compensation and polarization mode dispersion compensation are the necessary means of improving system performance.

高速光纤通信系统中，色散补偿和极化模色散补偿是提高信噪比、改善系统性能的必要手段。

Then we find the relationship between the chromatic dispersion of the transmission fiber and the transmission performance in DWDM system. It shows that the optimum dispersion value exit around 6 to 11 ps/nmEkm.

然后我们找出了在这个DWDM传输系统中光纤的色散值与系统效能的关系，我们发现当色散值在6-11ps/nmEkm时会有较佳的系统品质。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。