تلتزم الشركة دائمًا بمعدات سحق التعدين ومعدات صنع الرمل ومعدات الطحن الصناعية، وتوفير حلول عالية الجودة للرمل والحصى ومجموعات كاملة من المعدات للمشاريع الهندسية واسعة النطاق مثل الطرق السريعة والسكك الحديدية والمياه والكهرباء، إلخ. ، وتسعى جاهدة لممارسة التصنيع الدقيق المحلي والتخطيط العلمي العالمي، مع اعتبار آسيا المنطقة النائية والعملاء المشعين حول العالم. بعد أكثر من 30 عامًا من التطوير، نجحت العديد من منتجات الشركة في اجتياز العديد من شهادات الجودة الدولية مثل الشهادة الدولية ISO9001:2015، وشهادة الاتحاد الأوروبي CE، وشهادة GOST الروسية. بعد ذلك، في السعي لتحقيق التميز، سنستمر في استخدام منتجات عالية الجودة والتكنولوجيا الاحترافية والخدمات المخلصة لمساعدة العملاء على خلق قيمة أكبر، واستخدام الإجراءات العملية لمواصلة تعزيز البناء البيئي للحضارة الإنسانية.
·Transition metal catalysts containing gold especially cationic phosphine gold I complexes are emerging as powerful catalysts for a growing number of synthetic transformations Theoretical
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Much of the Gold mined is from large mining operations where the Gold is smeltered for commercial use and although many commercial gold mines exist mineral specimens and crystals are hard to come across China and South Africa have been the worlds two largest Gold producers but collectors will rarely if ever see a Gold specimen from these countries due to the
·Hanging meniscus experiments To elucidate the role of metal cations in the CO 2 RR the reaction was first studied through cyclic voltammetry CV using a gold electrode in a hanging meniscus
·of gold in nature in the form of gold chloride says Anirban Roy Choudhury a specialist in fermentation technology at India s Institute of Microbial Technology in Chandigarh Choud
·Here the authors identify structural distortion and electron redistribution in three photoexcited gold nanoclusters connecting molecular and nanocrystal regimes enabled by flexibility of the
·Developing in situ/operando spectroscopic techniques with high sensitivity and reproducibility is of great importance for mechanistic investigations of surface mediated electrochemical reactions
·Nature Surface enhanced Raman scattering SERS spectroscopy is a powerful analytical technique able to detect substances down to single molecule level Frens G Controlled nucleation for
·This study was financially supported by the National Natural Science Foundation of China Nos 42321001 41973044 and the MOST Special Fund from the State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences No MSFGPMR03 2
·The invention of gold nanoparticles AuNPs based spherical nucleic acids SNAs such as DNA AuNP and RNA AuNP conjugates has attracted worldwide interest and opened up the field of
·Seed mediated synthesis strategies in which small gold nanoparticle precursors are added to a growth solution to initiate heterogeneous nucleation are among the most prevalent simple and
·It is the world s thinnest gold leaf a gossamer sheet of gold just one atom thick Researchers have synthesized 1 the long sought material known as goldene which is expected to capture light
·Nature Nanotechnology Miniaturized gold nanorods are reliable NIR II photoacoustic agents showing higher photothermal stability enhanced photoacoustic signal and more efficient
·Amines are the most pivotal class of organic motifs in pharmaceutical compounds Here we provide a blueprint for a general synthesis of amines by catalyst differentiation enabled by triple Au H
·Gold prospecting is an exciting hobby that allows you to get out into nature while searching for valuable golden treasure Learning how to locate placer gold deposits simply by reading the signs in creeks and rivers takes some knowledge and practice but it can enable you to map out potential spots where gold may be hidden
·The covalent bond between gold and sulfur gives rise to a robust but modifiable interaction that is of paramount importance in stabilizing nanostructures and transmitting electronic interactions
·To address this long standing dilemma recent work has proposed that gold might be transported as a nanoparticle NP suspension 14 15 16 17 18 19 NP suspensions can concentrate up to
·Nature Geoscience The Witwatersrand gold deposit is the largest in the world Thermodynamic calculations show that such rich accumulations of gold could be linked to abundant volcanism