表面褐變 的英文怎麼說
中文拼音 [biǎomiànbiàn]
表面褐變
英文
surface darkening- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 褐 : Ⅰ名 [書面語] (粗布或粗布衣服) coarse cloth or clothingⅡ形容詞(像生栗子皮那樣的顏色) brown
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water
周圍礦床的風化蝕變為表生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表生水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結晶和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累積沉澱,形成次生色層。This is an example of a fibrinous pericarditis. the surface appears roughened from the normal glistening appearance by the strands of pink - tan fibrin
纖維素性心包炎。由於紅褐色的纖維蛋白沉積,心包表面由光滑發光變得粗糙。Many researchers have conducted experimellts about it, but not succeeded. culture media were compared to find the best medium of gingkgo culture for controlling callus browning by different sugars, antioxidants and sorbents. the result showed that the medium with ms + zt 1. 0mg / l + naa 1. 0mg / l + sucrose 50g / l + agar 8g / l + ac 2g / l was the best medium, at l5 days subculturing intervals
銀杏組織培養過程中,尤其是在愈傷組織的繼代培養中,褐變現象特別嚴重,曾有不少的人做過這方面的研究,但都沒有成功,而本研究通過對不同糖類物質、抗氧化劑、吸附劑以及不同的培養基對褐變的影響和控制效果,探索出有效控制褐化現象發生的最佳培養條件,試驗結果表明: ms + zt1 . 0mg / l + naa1 . 0mg / l +蔗糖50g / l +瓊脂8g / l + ac2g / l培養基上的繼代效果最好,繼代時間最好在15d左右。
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