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There was hardly absorbance spectra change of L when thepH changed from 2 to 12, but the maximum absorbance wavelength ofL-Zn~(2 ) complex red-shifted when the solution became alkalescent.

而在碱性条件下L-Zn~(2 )配合物的紫外吸收光谱的最大吸收波长红移。

Because of the enormous effect on people"s thought and behavior, media have huge potential to establish new behavior standard for women, to alternate androcentric culture and promote the gender equality, thereby would take on society responsibility can"t be shifted off.

作为思想意识和行为的强大影响力量，传媒具有为妇女建立新的行为标准、改造男权文化、促进性别平等的巨大潜力，更担负着不可推卸的社会责任。

After years of development, data mining algorithm has become increasingly mature, stable, and easy to understand and operate, then the data mining research has gradually shifted its focus on how to applicate.

经过多年的发展，数据挖掘的算法已日趋成熟、稳定，且易于理解和操作，于是数据挖掘的研究重点也逐渐转向了如何应用方面。

These results indicate that the lower blood pressure limit of cerebral blood flow autoregulation is shifted to 10.67kPa in RHRSP because of the hypertensive cerebral arteriolosclerosis which leads to dysfunction of contraction and diastolization of the vessels.

表明RHRSP的CBF自动调节下限上移为10.67 kPa（80mmHg），认为这主要是高血压脑内小动脉硬化血管舒缩功能下降所致。

A phase-shifted controlling PWM DC/DC full bridge converter with softswitching is proposed and used to realize a constant current power of20A(5～48V).This full bridge converter utilizes the transformer leakageinductance(or the resonant inductance in series with transformersprimary)and the autoecious capacitance of MOSFET to achieveZVS(Zero-Voltage-Switching),as a result it can decrease the switchingwaste,increase the switching frequency,and diminish the power bulk.

本文使用一种通过移相控制进行脉宽调制的软开关全桥变换器来实现20A(5～48V)恒流源，这种全桥变换器利用变压器的漏感、原边串联谐振电感和功率管的寄生电容来实现开关管的零电压开通，降低了开关损耗，提高了开关频率，减小了电源体积。

The paper carries on qualitative analysis to the acetone extractives before and after discoloring, shows the main components of the extractives and then takes comparison. The results shows :①The hydroxyl is oxidized and then shifted to the carbonyl,carboxyl, ester and ketone groups during inducing discoloration under the pretreatment conditions,which makes the wood color deep;② There are plenty of auxochromic groups in the acetone extractives of silver chain, the interaction between the auxochromic groups and the chromophoric groups makes the wood color deep.

摘 要：本文通过对刺槐变色前后丙酮抽出物的定性分析，得出变色前后丙酮抽出物的主要成分，进行对比分析，初步得出抽出物对诱发变色的作用为：①变色前后羟基在预处理条件下氧化成羰基，羧基，酯基和酮基等官能团，使木材颜色加深；②刺槐丙酮抽出物的主要成分中含有大量助色基，这些基团会与木素中的发色基团相互作用，使木材颜色加深。

Compared with 3, 6-carbazo derivatives, the OPA wavelengths of 2, 7-carbazole derivatives are bathochromic shift and the oscillator strength increased; the TPA wavelengths are red-shifted and the TPA cross-section increased.

与3， 6-咔唑衍生物相比，2， 7-咔唑衍生物的单光子吸收波长红移，振子强度增大；双光子吸收波长红移，双光子吸收截面增加。

Part III, 12-benzyl dehydroabietyl thioisocyanate was synthesized from methyl 12-benzyl dehydroabietic acid, by hydrolysis, chloride, Curtius reaction to give isocyanate which was hydr- olysied to amine under acidic condition, and with the method of CS2 at last, the maximal excitat- ion wavelength was bathochromic shifted 14nm compared to DDHA-NCS.

第三部分，从12-苯甲酰基脱氢松香酸甲酯出发，经过水解，酰氯化、Curtius reaction得到异氰酸酯，在酸性条件下水解成胺，最后由二硫化碳法得到一种新的荧光衍生试剂12-苯甲酰基脱氢松香酸异硫氰酸甲酯，与DDHA-NCS相比，最大激发波长红移了14nm。

Those matrices are shifted relatively in the direction of the MLC's leaf travel. This method achieves finer spatial resolution for the intensity distribution than the given beamlet size.

这种方法得到了满意的结果，它的强度分布更平滑，剂量适形更好，减少剂量噪声，可以消除极小子野的出现，是一种好方法。

In the second series, benzothiadiazole-based liquid crystalline polyacrylates were synthesized. The incorporation of benzothiodiazole moiety onto chromophores showed a red-shifted emission and improved device performance.

第二系列为具有benzothiadiazole基团的侧链高分子液晶材料polyacrylate，导入benzothiadiazole基团，除了可使光色红位移，也可提升电激发光元件性质。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。