A new method for the determination of dissolved silicon in water by using silicomolyb-dic blue method and a flow injection analysis with highly sensitive detection system has been studied, and the dissolved silicon in rivers and tap waters has been determined.
运用高灵敏流动注射分析检测系统和硅钼兰法研究了水中可溶性硅测定的新方法,并测定了河水和自来水中的微量可溶性硅。
By using the method of fixed-pointed monitoring in streams of two small watersheds in Three Gorges Reservoir Area, the contents of dissolved silicon (DSi), dissolved inorganic nitrogen (DIN) and dissolved phosphorus (DP) are analyzed.
利用定点监测的方法对三峡库区2个小流域水体中可溶性硅(DSi)、可溶性无机氮(DIN)和可溶性磷(DP)含量及其变化规律进行了研究,分析了三者之间的比例关系及可能引起的环境问题。
Through the instrumental test by 723 spectrophotometer for the visible light we comprehended its function and analyzed the instrumental error and chose the experiment condition and worked out the Operating Rules of mensuration dissolubility silicic aicd by 723 spectrophotometer for the visible light and fulfilled successfully the experiment of the item for the trial run.
通过对723可见分光光度计的测试,了解仪器性能,分析仪器误差,选择测定可溶性硅酸实验条件,制订操作规程,圆满完成该项目测定可溶性硅酸的试运行实验。
s:Several types of soluble polysilanes were prepared by the homopolymerization of methyldichlorosilane and its copolymerization with dimethyldiclorosilane.
以甲基氢二氯硅烷、二甲基二氯硅烷为原料 ,利用均聚和共聚的方法 ,合成了几种不同组成的可溶性聚硅烷 ,研究了反应条件对可溶性聚硅烷产率的影响 ,并用IR、XRD对产物进行了表征。
Influence of Simulative Light on Silicon and Nitrogen Diffusion Fluxes Across Sediment-Water Interface in Tidal Flats of the Yangtze Estuary
光照对长江口潮滩沉积物-水界面可溶性硅和无机氮通量的影响
Preparation and Characterization of Composite Coatings of Silica Sol Modified by Organosilicone
有机硅改性硅溶胶复合涂料的制备与性能研究
Studies on Preparation Process and Stability of Acid Silica SOL from Microsilica
用微硅粉制备酸性硅溶胶的工艺及稳定性研究
Preparation of hydrophobic coatings with methyltrimethoxysilane modified Si-sol
甲基三甲氧基硅烷改性硅溶胶憎水膜的制备
The research of silica sol graft modified by hexamethyldisilazane
六甲基二硅氮烷对硅溶胶接枝改性的研究
Solution polymerized butadiene-styrene rubber modified with hexamethylcyclotrisiloxane
六甲基环三硅氧烷改性溶聚丁苯橡胶
Modification of PDMS-PA Composite Membrane by Filling Hydrophobic Nano-silica Sol
硅溶胶填充改性PDMS-PA复合膜
Use of nano silicasol in water-borne wood coatings
纳米硅溶胶在水性木器涂料中的应用
Synthesis and the Tribological Properities of Oil-Soluble Spheres Silica Nanoparticles
油溶性球形二氧化硅的制备与摩擦性能的研究
Effect of Surfactants on Silica Colloids Stablity
表面活性剂对二氧化硅溶胶稳定性的影响
Study on water-borne ultra-thin fire resistive coating modified by silica solution for steel structure
硅溶胶改性水性超薄型钢结构防火涂料的研究
Effect of surfactants on viscosity properties of silica sol
表面活性剂对二氧化硅溶胶黏度性质的影响
Surface Modification and Application of Water-Based Nano Silica Sol
水性纳米硅溶胶的表面改性及其应用研究
Therefore, polyhydromethylsilane in organic solvent had good extensibility and good solubility.
因此,聚甲基氢硅烷分子在有机溶剂中的伸展性好,溶解性好。
Physical and Chemical Properties of Mid-Concentration Silicon Dioxide Containing Sodium Aluminate Solutions in Desilication Process
中等浓度含硅铝酸钠溶液深度脱硅过程物理化学性质的研究
Study on application of the hybrids of water-based silica sol and silicone in the waterproof mortar
水性硅溶胶-有机硅纳米杂化材料在防水砂浆中的应用研究
soluble radioactive tracer
可溶性放射性示踪剂
In addition, the influence of the change of silica amount on water absorbency is studied.
同时 ,研究硅溶胶用量的变化对吸水性能的影响