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Moreover, NaF as the mineralizer can promote the crystal nucleation and make the crystallization of zeolite ZSM-11 easier.

在固相体系合成中,矿化剂NaF起到了促进成核结晶的作用,使得合成纯相的ZSM-11沸石更容易。

SnO2 nanocrystals were prepared by a hydrothermal method using SnCl45H2O as the raw material and Na2SO4 as mineralizer at lower reaction temperature and shorter time.

系统地研究了以SnCl45H2O为原料,以Na2SO4为矿化剂,采用水热法在较低温度下和较短的反应时间内制备结晶良好并均匀分散的SnO2纳米晶。

The crystal morphology of hydroxyapatite synthesized in the mineralizing surroundings was affected by hydrogen bond between hydroxyapatite and mineralizer.

本文着重研究了氢键对羟基磷灰石结晶形态的影响,建立了矿化剂OH—晶面OH动态平衡吸附模型,引入动态平衡吸附参数k,用来描述这种影响的程度。

The high purity of 2-mercapto-β-naphthothiazole was obtained with α-naphthylamine as raw material via reaction of seal glass tube, alkaline extraction, vapor distillation, acidification of acetic acid and ethanol recrystallization.

以α-萘胺为起始原料,通过封管反应、碱提取、水蒸气蒸馏、乙酸酸化和乙醇重结晶,取得了纯度较高的2-巯基-β-萘并噻唑。

Another is studying the effect of silicon nitride on growth rate of metal induced lateral crystallization.

第二部分是探讨氮化矽对金属诱发侧向结晶速率的影响。

An Effective way to Promote Quality of NPG ;2. The effects of the content of the third monomer NPG on the T_g, melting behavior and heat shrinkability of PET were studied, and the effect of drawing technology on the shrinkage of the film was also studied.

运用自制的反应装置,通过加入第三单体的方法对聚对苯二甲酸二醇酯进行了共聚改性,研究了第三单体新戊二醇用量对PET玻璃化转变温度Tg、结晶熔融行为和热收缩性能的影响,同时对拉伸工艺对薄膜收缩率的影响也进行了研究。

Copolymerization modification of PET was made by means of adding a third monomer on a homemade facility. The effects of the content of the third monomer NPG on the T, melting behavior and heat shrinkability of PET were studied, and the effect of drawing technology on the shrinkage of the film was also studied.

运用自制的反应装置,通过加入第三单体的方法对聚对苯二甲酸二醇酯进行了共聚改性,研究了第三单体新戊二醇用量对PET玻璃化转变温度T、结晶熔融行为和热收缩性能的影响,同时对拉伸工艺对薄膜收缩率的影响也进行了研究。

Copolymerization modification of PET was made by means of adding a third monomer on a home-made facility. The effects of the content of the third monomer NPG on the T_g, melting behavior and heat shrinkability of PET were studied, and the effect of drawing technology on the shrinkage of the film was also studied.

运用自制的反应装置,通过加入第三单体的方法对聚对苯二甲酸二醇酯进行了共聚改性,研究了第三单体新戊二醇用量对PET玻璃化转变温度Tg、结晶熔融行为和热收缩性能的影响,同时对拉伸工艺对薄膜收缩率的影响也进行了研究。

This should result in decrease of the rate of crystalline nucleation.

表明在杂化体系中PCL的结晶稳定性降低。

The analysis result of IR and fluorescence indicated that Eu3phen had been grafted on polypropylene backbone successfully and that of DSC and WAXS revealed that this functional group act as nucleator to increase the crystallization rate effectively and destroy the integrity of crystalline as well.

IR和荧光分析结果表明该配合物已成功接枝到PP链上。而DSC和WAXS分析结果则表明功能化基因的加入起到类似成核剂的作用,有效提高PP的结晶速率,但同时也破坏了PP晶区的规整性。

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Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象,运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查,调查结果发现,石家庄市初中生物教师这一群体普遍存在职业倦怠,情感枯竭程度偏高,成就感偏低,去个性化程度最为严重。

In measurements of a day,generallyspeaking,the photosynthesis of birch in mesophytic habitat is better than that in xerophytichabitat(peak values are 12.8,10.33μmolCO2m-2s-1 respectively);that of sexual birch inmesophytic habitat is better than that of clone birch(peak values are 9.87,6.71μmolCO2m-2s-1respectively);that of young tree is better than that of seedling(peak values are12.37,10.05μmolCO2m-2s-1 respectively).

在一天中的各个时刻,总体说来,中生生境生长的白桦光合作用超过旱生生境生长的白桦光合作用(净光合速率峰值分别为12.8、10.33μmolCO2m-2s-1);白桦幼树的光合作用超过白桦幼苗(净光合速率峰值分别为12.37、10.05μmolCO2m-2s-1);中生生境有性白桦的光合作用超过无性白桦的光合作用(净光合速率峰值分别为9.87μmolCO2m-2s-1、6.71μmolCO2m-2s-1)。