Dithiocarbamate-modified chitosan (chitosan xanthogenate, DTC-CTS) was characterized respectively by infrared, UV-Vis and Thermogravimetry. The different adsorbing capacities of DTC-CTS and CTS for Cu(superscript 2+) in aqueous solution were compared.

用紅外在线视频免费理论片A片、紫外和熱重分析等測試技術(shù)分別對二硫代氨基甲酸改性殼聚糖（殼聚糖黃原酸鈉，DTC-CTS）進行了表征和測試。

To control the potassium concentration in flue gas, water-washed sawdust was used, and the aqueous solution of potassium acetate was sprayed into the flame zone in order to study the effect of potassium.

通過水洗處理和噴加霧化溶液的方式控制煙氣中鉀的含量，采用自動控溫采樣槍收集積灰樣品亚洲日韩在线综合一区视频。

Methods Six adult Wistar rats were randomly divided into two groups: group A (n=3) and group B (n=3). 2μl volume of 0.8mmol/L and that of 1.6mmol/L aqueous solution of MnCl2 was injected into the vitreous body of the left eye of group A and group B respectively.

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This paper deals mainly with (1)partition of Au and Ag in coexisting phases of lower maturity and high sulphur crude oil and aqueous solution;(2)mobilization and transport abilities of Au and Ag during the interaction of water,oil,and rock;(3)enrichment ability of Au by crude oil during oil generation and primary migration within double source system and under the experimental temperature and pressure.

本文實驗內(nèi)容包括Au、Ag元素在低熟高硫原油及其共存的水溶液中的分配特征97精品视频在线观看，水－油－巖反應(yīng)體系中Au、Ag活化和遷移的能力国产一区女，以及在共同源巖和溫度国产精品一区馆在线，壓力共同作用的壓力機系統(tǒng)中，石油生成和初次運移過程對Au的富集能力等成年人视频黄色网站。

Maximum bubble pressure method was used to determine the dynamic surface tension of aqueous solution of cetyltrimethylamonium bromide. Adsorption kinetics of CTAB at the air/water interface has been studied.

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The surface activity and micelle behavior of the copolymers in aqueous solution were deterimned by surface tension methods.

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The effects of DS of carboxyrnethyl sodium,hydrophobic group,the concentration on surface tension of aqueous solution of AHPCMS were investigated.

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PartⅡmaximum bubble pressure method was used to determine thedynamic surface tension of aqueous solution of BTAC. Adsorption kinetics of BTACat the air/water interface and influencing factors were studied.

第二部分用最大氣泡壓力法測定了其水溶液的動態(tài)表面張力免费观看黄网站国产，研究了其表面吸附的動力學(xué)及其影響因素。

Air/water and air/100 mg·kg -1 sodium dodecyl sulphate (with 95% purity grade) aqueous solution were used as working fluids.

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A two-step reduction in aqueous solution was used for the silver-coated gold composite nanoparticles synthesis.

利用二步液相還原法制備了 Au/Ag 芯殼復(fù)合結(jié)構(gòu)的納米顆粒。