鏡北道 的英文怎麼說
中文拼音 [jìngběidào]
鏡北道
英文
north hamgyong-
Through textual research and analysis on two historical materials in dao zang ' s shangqing mingjian yaojing and dongxuan lingbao daoshi mingjingfa used for polishing bronze mirrors, this article holds that : china had already mastered the technique of plating a bronze mirror with an alloy of stannum, lead and hydrargyrum during the northern and southern dynasties at latest, and this technique was quite probably developed by necromancers or taoists in the process of producing artificial gold and silver, golden elixir and great elixir ; before the song dynasty, the technique of using the alloy of stannum, lead and hydrargyrum to polish a bronze mirror was only prevalent among a part of taoist alchemists ; and after the song dynasty, due to the decline of taoist laboratory alchemy, the technique of using such an alloy was spread among the people
摘要通過對收錄于《道藏》之中的《上清明鑒要經》和《洞玄靈寶道士明鏡法》兩部經書所記載的兩則磨鏡藥史料的考證分析，提出至晚在南北朝時期中國已經發明了用錫汞齊鍍鏡的技術，其技術很可能由方士或道士在煉制黃金白銀、金丹大藥的過程中或社會小范圍內發展起來的；在宋代之前，用錫汞齊磨鏡的技術僅僅在部分煉丹道士中應用流傳，宋之後由於道教外丹術的衰落，用錫汞齊磨鏡的技術流傳於民間。The telescope orbits the earth once every 92 minutes at a low - earth altitude of about 350 km. the data taken was relayed to the ground receivers at the miyun station near beijing
望遠鏡每92分鐘沿距離地面350公里左右的近地軌道圍繞地球一周，所接收的數據會傳送回位於北京附近的密雲縣地面接收站。Abstract : the resource distribution of aralia elata in northeast china were investigated. by means of the optical microscope, the features of histology and powder of cortex of this plant were first examined. in the cortex, threre are a large number of secretory ducts and a small quantity of druses of calcium oxalate
文摘:對分佈在我國東北地區的藥用植物遼東?木的資源進行了調查，以光學顯微鏡對其根皮的組織和粉末進行了觀察，其根的皮層較層，並含有大量的樹脂道，粉末具有大量的澱粉粒及少量草酸鈣結晶By cooperating with a company and tsinghua university, we can use advanced instrument to measure our own made micro - scale flow models. we got right data results and protract them in frank flow field figure graph. according to the results, we give the reasonable explanation in fluid mechanics
在完全沒有借鑒和經驗的情況下，採用圖像採集卡、常規攝像頭及普通顯微鏡改裝了一臺micropiv ，能夠進行低速微流場的觀測和測量，取得了進行microptv試驗的經驗，同時自行設計製作了微流道，在北京立方天地公司和清華大學的幫助下，使用高速攝像機進行了流場拍攝，取得了可信的試驗結果，並給予流體力學的解釋。分享友人