孢粉帶 的英文怎麼說
中文拼音 [bāofěndài]
孢粉帶
英文
pollen zone-
Liihe palynological data indicate a vertical paleovegetational landscape : evergreen broad - leaved forest dominated by castanopsis, lithocarpus, cycobalanopsis and anacardiaceae etc occurred on the slopes near the deposit site ; mixed coniferous / broad - leaved forest and coniferous forest occurred on the area of high elevation, and main elements were tsuga, podocarpus, pinus, picea and abies etc. seven paleoclimatic parameters of liihe area estimated include mat ( 13. 3 - 20. 9c ), wmt ( 22. 5 - 27. 5c ), cmt ( 2. 5 - 12. 6c ), dt ( 12. 1 - 24. 8c ), map ( 803. 6 - 1254. 7mm ), mmap ( 179. 4 - 281. 9mm ) and mmip ( 10. 2 - l8. 5mm ). yangyi palynoflora comprises of 52 palynomorphs belonging to 32 families. the percentage of angiosperms is 61. 5 %, gymnosperms 9. 6 %, pteridophytes 25. 0 %, algae 3. 9 %
呂合孢粉植物群的組成反映該地區在沉積時期植被具有垂直分帶特徵，沉積地附近分佈有常綠闊葉林，包括殼斗科的青岡屬、栲屬、石櫟屬和漆樹科等植物，以及多種亞熱帶和溫帶闊葉成分；林中混生少量針葉樹（如松屬和杉科等） ；林內蕨類植物較少；距沉積地較遠的海拔較高的地區分佈由鐵杉屬、冷杉屬、雪松屬和雲杉屬組成的針闊混交林或針葉林。The extracting technology of fucoidan from sporophyll powder of sea mustard undaria pinnatifida suringar by enzymatic hydrolysis
熱水浸提法提取裙帶菜孢子葉粉巖藻聚糖硫酸酯的工藝研究Five pollen assemblage zones are established through the stratigraphical changes of the pollen
根據孢粉組合的變化，將剖面劃分為5個孢粉組合帶。After the acet is vaporized, the active substance in water is gotten. and which is vaporized at low temperature. then the crude active substance is purified by column chromatography on sephadex g - 75. after a series of purifications again, we could get some white powder at last. though the active substance is diluted to50 g / ml, the activity is still checkeded - up through phyto phtnora casicileon. the purified active substance is insensitive to heat, resistant to chloroform 、 ethanol and the orhers. in addition, the active substance is sensitive to high ph ( 10 ~ 14 ), but it is not sensitive to low ph ( 1 ~ 5 ). furthermre, when the ph is made to low again, the activity of it ' s comes back
用蒸餾水對菌體稀釋；加入適量吸附樹脂在150rpm 、 28下振蕩吸附4h ， 80 %的丙酮解吸，過濾解吸液得到活性物質的澄清溶液，旋轉蒸發儀旋轉蒸發去處丙酮，經sephadexg - 75分子篩層析得單一活性峰，收集峰值部分樣品液經冷凍乾燥得到淡褐色粉末，該活性物質用丙酮充分洗滌、甲醇-乙醚重結晶獲得略帶微黃的白色粉末，該活性物質50 g / ml仍可對蘇雲金芽孢桿菌hd - 1產生明顯的抑制作用。In the paper, based on the characteristics of sediments and the susceptibility, the sporopollen diagram was divided into five palynofloral zones by trying to use the cluster analysis of the ordered samples and the program of c + +
本文嘗試利用有序樣品的聚類分析方法，對孢粉帶進行劃分，並用c + +編寫程序，得到5段最優分割。並結合沉積物特徵、磁化率特徵及孢粉圖式劃分出5個孢粉帶。The profile includes two major cold peaks at 4. 580 - 5. 275 abp and 6. 120 - 6. 375 abp. the centennial - scale climate instability is obvious, which exists even in holocene optimum
隨著氣候的逐漸好轉，喬木花粉在孢粉帶3 . 0904 . 580 abp上重新出現，但喜暖樹種較少。分享友人