نحن نلتزم بمبدأ توفير حل تصميم مخصص لكل عميل. بالاعتماد على المعرفة المهنية لمديري المبيعات لدينا وخدماتنا طوال دورة حياة المنتجات ، نساعد عملائنا على التغلب على الصعوبات التي يواجهونها في شراء المعدات ، ومحاسبة تكاليف التشغيل ، وإدارة العمليات ، والحصول على خدمات ما بعد البيع ، وبالتالي تحسين جني الأرباح. القدرة وتحقيق التنمية المستدامة للأعمال.
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As techniques for extraction improve and new reserves are found, it is estimated that the oil reserves of the Kingdom of Saudi Arabia will last for some 90 years. Gas Resources The 1989 (1409/10 AH) Aramco study put the Kingdom's proven gas reserves at trillion cubic feet, an increase of 25% over the last estimate.
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inquiry May 01, 2022 · M. Ghaedi, M. Rezakhani, S. Khodadoust, K. Niknam, M. Soylak, " The Solid Phase Extraction of Some Metal Ions Using Palladium Nanoparticles Attached to Silica Gel Chemically Bonded by Silica-Bonded N-Propylmorpholine as New Sorbent prior to Their Determination by Flame Atomic Absorption Spectroscopy ", The Scientific World Journal,. vol.
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inquiry This article offers a review on the application of nanoparticles (NPs) that have been used as sorbents in the analysis of polycyclic aromatic hydrocarbons (PAHs). The novel advances in the application of carbon NPs, mesoporous silica NPs, metal, metal oxides, and magnetic and magnetised NPs in the extraction of PAHs from matrix solutions were discussed.
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inquiry May 27, 2022 · This research work reports the magnetic adsorption of fluoride from drinking water through silica-coated Fe3O4 nanoparticles. Chemical precipitation and wet impregnation methods were employed to synthesize the magnetic nanomaterials. Moreover, the synthesized nanomaterials were characterized for physicochemical properties through scanning electron
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inquiry Apr 05, 2022 · Dendritic Mesoporous Silica Nanoparticles (DMSNs) are considered superior in the adsorption of unfavorable chemical compounds and biological pollutants. Herein, we have synthesized folic acid-terminated dendritic mesoporous silica nanoparticles (FA-DMSN) for the removal of cationic dyes, methylene blue (), from aqueous solutions. The structural,
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inquiry The plant available silica content in the range of 300-350ppm is determined from calcium chloride extraction techniques. Water Absorption – a minimum 100% of its own weight. Melting Point – approximately 1500 ºC. Colour – White to light grey. Acidity/Alkalinity (pH) - This rises to upon calcining to 500 ºC.
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inquiry Sep 19, 2022 · For the first time, a highly efficient sorbent was developed using rice husk and used for micro-solid phase extraction (μ-SPE) technique. To increase the extraction capability of rice husk silica, iron oxide was incorporated via sol-gel process.
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inquiry May 01, 2022 · Functionalized silica gel has attracted widespread attention as highly sensitive adsorbent for enrichment of metal ions in the presence of other metal ions. In this study, a unique ligand was chemically bonded to the silica gel and used for preconcentration and separation of Cd 2+, Co 2+, Fe 3+, Ni 2+ and Zn 2+, ions as solid-phase extractant
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