In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on
本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針
葉林、闊
葉林、
密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據,對已成林的針
葉林與闊
葉林進行森林生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針
葉闊
葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落
葉林、針
葉林、針闊混交林、闊
葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
Luyu 2, luyu 4, yedan 12 and yedan 13 all have a compacted plant shape with leaf upward and are all cold - resisting and suitable for close planting
魯玉2號、魯玉4號、掖單12和掖單13都具有緊湊株型,
葉片直立、抗寒、適合高
密度種植。
The elms of court leys now were dark with leaves, and the heavy, close-fitting verdure gave quite a stately look to the house.
萊伊府第的榆樹現在已是綠
葉蔥蘢,濃
密而貼切的青蔥草木,使這所房子顯得十分堂皇而雄偉。
He was himself a lord of language and had made himself a coistrel gentleman and had written romeo and juliet
他本人是個語言貴族246 ,成為一位卑微的紳士,他還寫了羅
密歐與朱麗
葉。
Have you seen tom smith ' s conker ? he ' s got ever such big one
你看到過湯姆?史
密斯的七
葉樹嗎?他有一棵非常大的七
葉樹。
You may tell miss smith that i forgot to make a memorandum of the darning needles, but she shall have some papers sent in next week ; and she is not, on any account, to give out more than one at a time to each pupil : if they have more, they are apt to be careless and lose them
請你告訴史
密斯小姐,我忘掉了買織補針的事。不過下星期我會派人送些紙來,給每個學生的一次不得超過一張,給多了,她們容易粗枝大
葉,把它們弄丟了。
Section two the evaluation of biocompatibility of the acellular dermal matrix by the method of cell culture. the new born rat ' s epdermic cells were cultured with the acellular dermal matrix together as experiment group, while the epdermic cell were cultured simply as control. 24 hours later, under the invert microscope, the epidermic cells anchored well and transparent flat cells were observed in both groups. 7 days later, both cultured cells were taked out and fixed in 95 % ethanol, stained with hematoxylin and were observed under light microscope. many cleaved cells were observed in both groups. during cell culture, no pathogenic microganism was observed. so we considered the acellular dermal matrix was aseptic and had good biocompatibility. section three subdermal implantation of the acellular dermal matrix. 24 rats were used in the experiments. a piece of acellular dermal matrix ( 1. 5 x 1. 5cm2 ) was implanted beneath the dorsum skin flaps of each rat, 1 week, 2 weeks, 3 weeks and 4 weeks after implantation, 6 pieces of acellular dermal matrix were harvested and the size of implanted acellular dermal matrix were measured, the sections were used for he staining and observed under light microscope. the result were as folio wing : 1 - 2 weeks after implantation, the acellular dermal matrix began to adhere to the tissue around and turned red gradually ; 3 - 4weeks after implantation, the acellular dermal matrix adhered closely to the tissue around and could be recognized easily, 1 - 3 weeks after implantation, the size of implanted acellular dermal matrix had no statistical difference ( p > 0. 05 ). 4 weeks after implantation implanted acellular dermal matrix contracted ( p < 0. 05 ). under light microscope, l - 2weeks after implantation, the fibroblast cells infiltrated the acellular dermal matrix and a small amount endothelial cells of vessel and lympho - histiocytic cells infiltrated the acellular dermal matrix. 3 - 4 weeks after implantation, infiltrating blood vessels were evident. so we think that the acellular dermal matrix had low immunological reactions and could induce the infiltration of fibroblast macrophage cell and the endothelial cells of vessel
結果如下:皮下包埋卜周者,無細胞真皮基質漸與周圍組織粘附,顏色由蒼白轉紅;皮下包埋3周者,無細胞真皮基質與周圍組織緊
密枯附,盾晰
葉辯;術后卜周,包埋的基質面積變化較包埋前無統計學差異o川0引,術后4周包埋的無細胞真皮基質面積較包埋前縮小j刃刀5 ) 。光鏡下術后卜周,宿主的淋巳組織細胞、成纖維細胞浸入生長,釉附在膠原纖維上,少量血管內皮細胞浸入基質;術后34周,無細胞真皮基質內較多的血管形成,故可認為無細胞真皮基質免疫原性低,能誘導宿主的成纖維細胞、巨噬細胞浸入生長,為一種新型的真皮替代物。第四部分無細胞真皮基質與自體斷層皮片復合移棺的研究, sd大鼠10隻,在其背部卜方造成全厚皮膚缺損的創面
The results showed that low temperature wheat germplasm had many layers of small and closely - arranged diachyma cells, a large number of chloroplasts containing plentiful of granum lamella, and highly serried vascular bundles ; as it grew towards maturity, its structures such as diachyma cells, chloroplasts, and cells in the colored layers of seed ventral furrows aged slowly
結果表明,低溫小麥種質較高溫種質
葉肉細胞小,排列緊
密,
葉肉細胞層數較多;
葉綠體數量多,
葉綠體基粒片層豐富;
葉片維管束
密集;隨著生育期向成熟趨近,
葉肉細胞、
葉綠體、籽粒腹溝區有色層細胞等結構衰老緩慢。
Spread there a seat with flowers and leaves , my friend
用繁花
密葉給他敷設一個座位吧,我的朋友。
The doves cooed among the dense leaves
鴿子在
密葉中呼喚。
I did not say a word. it was the bird that sang unseen from the thicket
我沒有說出一個字。那是藏起的鳥兒在
密葉中歌唱。
It is the same life that shoots in joy through the dust of the earth in numberless blades of grass and breaks into tumultuous waves of leaves and flowers
就是這同一的生命,從大地的塵土裡快樂地伸放出無數片的芳草,迸發出繁花密葉的波紋。