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聯(lián)系我時(shí),請(qǐng)告知來(lái)自 環(huán)保在線簡(jiǎn)要描述:CCM-300葉綠素含量測(cè)量?jī)x是使用葉綠素?zé)晒獗嚷蕦?duì)葉綠素含量測(cè)量的一種新型儀器。與傳統(tǒng)的化學(xué)測(cè)量方法和吸收性測(cè)量方法相比,它可以對(duì)非常小的葉片以及難以測(cè)量樣品的葉綠素含量進(jìn)行非破壞性測(cè)量,測(cè)量迅速可靠。
一用途
葉綠素含量測(cè)量?jī)x廣泛應(yīng)用于植物生理生態(tài)研究,特別是對(duì)傳統(tǒng)吸收法測(cè)量困難的小葉片或樣品的葉綠素含量進(jìn)行測(cè)量,例如針葉、發(fā)育未*的水稻、生于巖石上的絲狀藻、地衣、草坪草、仙人掌、龍舌蘭屬植物、菠蘿、擬南芥、果實(shí)、苔蘚、葉莖、葉柄。
二原理
三 特點(diǎn)
Ø 直接算出葉綠素含量mg/m2;
Ø 測(cè)量結(jié)果可靠,不受葉片或樣品大小、厚度和形狀的影響;
Ø 經(jīng)濟(jì)、輕便、手持式設(shè)計(jì),適合野外使用;
Ø 與化學(xué)測(cè)量結(jié)果高度相關(guān),即使在高葉綠素含量時(shí);
Ø 彩色觸摸屏顯示;
Ø 離散的單點(diǎn)測(cè)量和多點(diǎn)(2-30個(gè)樣品)平均值測(cè)量模式;
Ø 非易失性閃存(2GB);
USB數(shù)據(jù)輸出,可使用Excel打開(kāi); |
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四 組成
主機(jī)、光纖樣品夾、電池充電器、4節(jié)AA鎳氫充電電池、USB通訊纜線、使用手冊(cè)。
可選配件:
20mm大探頭: 增加測(cè)量面積。 較大的樣本量可能對(duì)某些類型的樣本有用,例如苔蘚
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增長(zhǎng)版葉夾:
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Ø 測(cè)量參數(shù):葉綠素?zé)晒獗嚷?/span>——發(fā)射熒光在735nm/700nm的比值(CFR),或相對(duì)葉綠素含量mg· m-2;
Ø 測(cè)量面積:直徑3mm的圓,外徑4mm,但對(duì)直徑小于3mm的樣品也可準(zhǔn)確可靠的測(cè)量;
Ø 分辨率:比值0.01或1 mg· m-2;
Ø 重復(fù)性:依賴于信號(hào)強(qiáng)度,對(duì)信號(hào)強(qiáng)度低的樣品,建議使用多點(diǎn)測(cè)量的平均值,對(duì)信號(hào)強(qiáng)度高的樣品,差異通常為±0.03或更低;。
Ø 噪聲:<±0.02;
Ø 光源:LED 460 nm藍(lán)光二極管,半峰寬15 nm;
Ø 探頭:兩個(gè)固態(tài)高感傳感器,提供濾光片。同時(shí)提供兩個(gè)波長(zhǎng)探頭(700nm~710nm,730nm~740nm);
Ø 檢測(cè):數(shù)控調(diào)制光,將背景光影響將至低。并對(duì)光源和檢測(cè)器進(jìn)行溫度補(bǔ)償;
Ø 存儲(chǔ)容量:2GB;
Ø 模式:單點(diǎn)測(cè)量,2~30個(gè)點(diǎn)去平均值,去除2σ區(qū)間外的平均值,或者中位數(shù);
Ø 樣品接口:光纖傳感器,直徑4mm;
Ø 用戶界面:240 × 320 像素彩色觸摸屏;
Ø 輸出:USB 1.1;
Ø 溫度范圍:0~50 ℃;
Ø 電源:2節(jié)充電AA電池;
Ø 自動(dòng)關(guān)閉間隔:(無(wú)按鍵或下載)0~20分鐘可選;
Ø 大?。?/span>12 cm × 9 cm × 3 cm;
Ø 重量:0.16lbs 275g;
Ø 測(cè)量時(shí)間:5秒;
五、產(chǎn)地:美國(guó)
六、參考文獻(xiàn)
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PetrVojta, FilipKokáš, Alexandra Husi?ková, Ji?íGrúz, VeroniqueBergougnoux, Cintia F. Marchetti, Eliška
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Volume 33, Issue 5, Part B, 25 September 2016, Pages 676-691
蘇格蘭松樹(shù)幼苗
Tapani Repo, Samuli Launiainen, Tarja Lehto, Sirkka Sutinen, Hanna Ruhanen, Juha Heiskanen, Ari Laurén,
Raimo Silvennoinen, Elina Vapaavuori, Leena Finér (2016) The responses of Scots pine seedlings to
waterlogging during the growing season Canadian Journal of Forest Research 2016, 46(12): 1439-1450,
挪威云杉和蘇格蘭松樹(shù)苗
Johanna Riikonen, Nelli Kettunen, Maria Gritsevich, Teemu Hakala, Liisa Särkkä, Risto Tahvonen, (2016)
Growth and development of Norway spruce and Scots pine seedlings under different light spectra
Environmental and Experimental Botany Volume 121, January 2016, Pages 112-
泥炭地植被泥炭蘚和其他泥炭地植物
Anshu Rastogi, Marcin Stró?eckia, Hazem M. Kalaji, Dominika ?uców de Mariusz, Lamentowicz, Rados?aw
Juszczak (2019) Impact of warming and reduced precipitation on photosynthetic and remote sensing properties
of peatland vegetation Environmental and Experimental Botany Volume 160, April 2019, Pages 71-80
CAM植物 - 仙人掌
Kudakwashe Musengi (2018) THE BIOLOGICAL CONTROL OF CACTI (CACTACEAE: OPUNTIOIDEAE)
IN SOUTH AFRICA: BASIS OF HOST SELECTION IN THE 'STRICTA' BIOTYPE OF
DACTYLOPIUS OPUNTIAE (COCKERELL) (HEMIPTERA: DACTYLOPIIDAE). University of the
Witwatersrand, South Africa. May 2018.
高爾夫綠草和銀線苔蘚
ZRaudenbush Z.T, Greenwood J.L., McLetchie D.N., Eppley D.N. (2018) Divergence in Life-History and
Developmental Traits in Silvery-Thread Moss (Bryum argenteum Hedw.) Genotypes between Golf Course
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