官网:igiworldwide.com/查询条件:证书编号证书查询网址:igiworldwide.com/ch/结果反馈:网页反馈 16.LOTUS 莲花宝石学莲花证书它是唯一专门为红宝石、蓝宝石和尖晶石出证书的实验室。这家实验室是由一位叫Richard W.Hughes创立的,他的宝石学报告和著作加起来有150多份,在国际上曾获得多项关于宝石学方面的奖项。
目前GIA．．IGI以及HRD是国际三大鉴定机构．．．没有说那个证书更权威．．因为都是国际认可的证书．．GIA和IGI证书在钻石的腰棱处都是有激光镭射码的．．即该钻石的证书号码．．．GIA官方网站：http://www.gia.edu/reportcheck IGI官方网站：http://www.igiworldwide.com/IGI_ONLINE/Client/ 楼主输...
As an internationally-recognized publisher, our goal is to facilitate the availability of academic excellence and disseminate innovative knowledge worldwide. IGI Global Scientific Publishing book and journal editors and authors are provided written guidelines and checklists that must be followed to maintain...
I-Schools and the Present Worldwide Trend and the Indian Scenario (pages 2525-2534) Prantosh Kr. Paul, D. Chatterjee Download This Chapter $37.50Add to CartPreview Chapter Learning Management Technology and Preservice Teachers (pages 2535-2543) Molly Y. Zhou Download This Chapter $37.50Add to ...
It is the largest China distributor of publications in terms of scope and titles, from over 110 countries and regions worldwide. Learn more at en.cnpubg.com/. Manadrin Version 4月9日,IGI-Global携手中国图书进出口(集团)总公司(CNPIEC)举办的在线研讨会圆满成功。这次在线研讨会累计吸引了学者、研究...
Rice is the third most produced crop worldwide and is citizens’ main source of energy in eight African countries, nine in North and South America, and seventeen in Asia and the Pacific [2]. According to [3], it is estimated that by 2035, the global population will require up to 560 ...
Furthermore, people from various groups and geographical places do not want to view everything on social media networks, which are open platforms for users worldwide to contribute their views in the form of images, videos, text, and audio. As a result, the primary variables for QoE ...
(2002). Local e-government now: A worldwide view. Retrieved from https://www.sap.com/solutions/industry/publicsector Kassen, M. (2017). Understanding transparency of government from a Nordic perspective: Open government and open data movement as a multidimensional collaborative phenomenon in Sweden...