科技

  • 可靠性系统工程之测试性技术‘ag真人正规网’

    一、测试性是可信性自动化控制的重要一环可信性自动化控制是科学研究商品仅有使用寿命全过程中通商品故障不作斗争的工程设计。

    2020-11-28

  • 换机用iPhone将在2到4周内供应紧缺:ag真人正规网

    北京时间3月5日凌晨消息,据外媒报导,苹果公司早已向其零售员工收到警告称之为,用作为顾客换机的iPhone将在未来一个月中面对供应紧缺的状况。

    2020-11-28

  • 中国集成电路设计园开业暨第二届“芯动北京市”中关村IC产业社|ag真人游戏官方

    “中国集成电路到底如何,近期总在讲到三句话:第一句,大家没那麼劣,并不是一无所有;第二句,真要保证一起也没那麼更非常容易,不只是两三年的时间;第三句,如果我们依然果断保证下来,再作保证一二十年,一定能保证一起。

    2020-11-25

  • ag真人游戏官方_双语科技百科(医学) 第67期:《本草纲目》

    Bencao Gangmu《本草纲目》Bencao Gangmu , also known as The Compen,dium of Materia Medica (a book on Chinese herbal medicine) , is a materia medica work written by the great medical and pharmaceutical expert in the Ming Dynasty, Li Shizhen. It is regarded as the most complete and comprehensive medical book ever written in the history of traditional Chinese medicine in China. It al-most lists all the plants, animals, minerals, and other objects that were believed to have medianal properties. Li Shizhen completed the first draft of the book in 1578, after conducting readings of 800 0ther medical reference books and carrying out 30 years of field study. For this and many other achievements Li Shizhen has of ten been compared to Shennong, a great man in the Chinese mythology who taught people about agriculture and herbal mediane. Bencao Gangmu has 52 volumes in total. At the very beginning is the table of contents and l,160 hand-drawn illustrations. Volumes l t0 4 are an index and a comprehensive list of herbs that would treat the most common illnesses. Volumes 5 t0 52 form the main content of the text, recording l,892 distinct medicines, of which 374 were added by Li himself. There are some 11,096 prescriptions to treat the common illnesses, of which 8,160 were compiled or collected by Li. The text is written in almost 2 million Chinese characters, classified int0 16 divisions and 60 0rders. For every medicine there are explanations of the names, detailed descriptions of the odor, medical function,effects, side recipes etc. Bencao Gangmu improved the classification of traditional Chinese medicine, complying with a uniform format, and the language was comparatively scientific and precise; besides, it played a very significant role in promoting the credibility and scientific values of the biological classification of both plants and animals. The work corrected many false understandings of the nature of the medicines and illnesses. Li also included many new herbs and added his own discovery in certain drugs. Bencao Gangmu is more than a pharmaceutical work, for it contains information covering the topics in biology, chemistry, geography, mineralogy, geology, history, astronomy etc. It has been translated into more than 20 languages and spread all over the world. Even now it is still in print and used as a great medical work.《本草纲目》是一部药物学著作,作者为明代最出色的医药学家李时珍。

    2020-11-25

  • “ag真人游戏官方”山更清水更秀天更蓝 2019年全国生态环境质量总体改善

    记者从今天(12日)开会的全国生态环境保护工作会议上了解到,2019年全国推展污染防治攻坚战获得关键进展,生态环境质量总体提高。

    2020-11-17

  • 连Airpods Pro都拦不住它的锋芒“ag真人正规网”

    我对耳机算不上什么感冒,但是不告诉为什么,耳机毕竟我最喜欢捏手的数码类产品之一。

    2020-11-17

  • ‘ag真人游戏官方’今后逛超市可能连手机都不用带了

    A UK supermarket has become the first in the world to let shoppers pay for groceries using just the veins in their fingertips.美国一家餐馆沦落全世界第一个允许顾客在售卖生活用品时用以手指尖静脉缴付的餐馆。

    2020-11-17

  • OPPO早就宣布三维人脸识别早就不具有批量生产标准:ag真人正规网

    据OPPO解读,三维结构光的基本概念是结构光磁感应特殊的光信息到物件表层后,由监控摄像头搜集。相比传统式脸部识别,OPPO三维结构光技术性可运用于安全性交纳、三围恢复、AR、手机游戏等诸多情景,在其中最重要的运用因此安全性交纳。

    2020-11-11

  • 柔性电子皮肤作为可穿戴设备的终极融合“ag真人游戏官方”

    特别是随着可穿戴电子设备的不断出现,智能手表、智能手机等成为主流趋势,这一问题更加引人注目。最近,《自然》报道称,美国斯坦福大学的研究人员首次制作出可用作晶体管的可治愈弹性聚合物,构筑了简单的有机电子表面模仿人类皮肤,研究结果将来进一步推进下一代可穿戴设备的研究开发。

    2020-11-11