供應(yīng)自貿(mào)區(qū)供應(yīng)進(jìn)口品牌 XVME-560
XFL9880CXFL亞克力板打印機(jī),河南鄭州質(zhì)量亞克力打印機(jī)
研究型藻類熒光儀XE-PAM
(1)能檢測(cè)水體或培養(yǎng)液中的活體葉綠素?zé)晒?2)能“泵和探針?lè)ā睓z測(cè)熒光研究光合作用(3)能用9AA熒光研究跨膜質(zhì)子梯度(4)能用NADPH熒光研究同化力(5)能通過(guò)熒光研究紫外對(duì)植物的損傷(6)測(cè)量光源必須為氙燈主要測(cè)量參數(shù)：Fo，F(xiàn)m，F(xiàn)，F(xiàn)m′，F(xiàn)o′，F(xiàn)m″，F(xiàn)o″，Y，qP，qN，NPQ，Rfd，ETR，PAR等| 技術(shù)參數(shù)：靈敏度：0.5 μg Chl/L測(cè)量光頻率：2，4，8，16，32，64Hz光化光頻率：64Hz飽和光頻率：64Hz飽和光閃光間隔：1ms～10s飽和光最大光強(qiáng)：＞8000 μmol·m-2·s-1定時(shí)：1s～8h適用溫度：＜0℃～＞40℃電源：115/230V，50/60Hz，0.64/0.32A電壓浮動(dòng)范圍：士10 |
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部分文獻(xiàn)1. 韓志國(guó), 雷臘梅, 韓博平, 2006. 角毛藻光合作用對(duì)連續(xù)強(qiáng)光照射的動(dòng)態(tài)響應(yīng). 熱帶亞熱帶植物學(xué)報(bào) 14: 7-13.2. Topchiy NM, Sytnik SK, Syvash OO, Zolotareva OK, 2005. The effect of additional red irradiation on the photosynthetic apparatus of Pisum sativum Photosynthetica 43: 451-456.3. MacKenzie TDB, Johnson JM, Cockshutt AM, Burns RA, Campbell DA, 2005. Large reallocations of carbon, nitrogen, and photosynthetic reductant among phycobilisomes, photosystems, and Rubisco during light acclimation in Synechococcus elongatus strain PCC7942 are constrained in cells under low environmental inorganic carbon. Archives of Microbiology 183: 190-202.4. MacKenzie TDB, Campbell DA, 2005. Cyanobacterial acclimation to rapidly fluotuating light is constrained by inorganic carbon status. Journal of Phycology 41: 801-811.5. Kolb CA, Schreiber U, Gademann R, Pfundel EE, 2005. UV-A screening in plants determined using a new portable fluorimeter Photosynthetica 43: 371-377.6. Bruyant F, Babin M, Genty B, Prasil O, Behrenfeld MJ, Claustre H, Bricaud A, Garczarek L, Holtzendorff J, Koblizek M, Dousova H, Partensky F, 2005. Diel variations in the photosynthetic parameters of Prochlorococcus strain PCC 9511: Combined effects of light and cell cycle. Limnology and Oceanography 50: 850-863.7. Bélanger M-C, Viau AA, Samson G, Chamberland M, 2005. Determination of a multivariate indicator of nitrogen imbalance (MINI) in potato using reflectance and fluorescence spectroscopy. Agronomy Journal 97: 1515-1523.8. Villareal TA, 2004. Single-cell pulse amplitude modulation fluorescence measurements of the giant diatom Ethmodiscus (Bacillariophyceae). Journal of Phycology 40: 1052-1061.9. Ryu J-Y, Song JY, Lee JM, Jeong SW, Chow WS, Choi S-B, Pogson BJ, Park Y-I, 2004. Glucose-induced expression of carotenoid biosynthesis genes in the dark Is mediated by cytosolic pH in the cyanobacterium Synechocystis sp. PCC 6803. The Journal of Biological Chemistry 279: 25320-25325.10. Regel RH, Brookes JD, Ganf GG, 2004. Vertical migration, entrainment and photosynthesis of the freshwater dinoflagellate Peridinium cinctum in a shallow urban lake Journal of Plankton Research 26: 143-157.11. Nybakken L, Bilger W, Johanson U, Björn LO, Zielke M, Solheim B, 2004. Epidermal UV-screening in vascular plants from Svalbard (Norwegian Arctic). Polar Biology 27: 383-390.12. Mock T, Valentin K, 2004. Photosynthesis and cold acclimation: molecular evidence from a polar diatom. Journal of Phycology 40: 732-741.13. MacKenzie TDB, Burns RA, Campbell DA, 2004. Carbon status constrains light acclimation in the cyanobacterium Synechococcus elongatus. Plant Physiology 136: 3301-3312.14. Ryu J-Y, Suh K-H, Chung Y-H, Park Y-M, Chow WS, Park Y-I, 2003. Cytochrome c oxidase of the cyanobacterium Synechocystis sp. PCC 6803 protects photosynthesis from salt stress. Molecules and Cells 16: 74-77.15. Davey MS, Suggett DJ, Geider RJ, Taylor AR, 2003. Phytoplankton plasma membrane redox activity: effect of iron limitation and interaction with photosynthesis. Journal of Phycology 39: 1132-1144.16. Rodriguez M, Jr, Sanders CA, Greenbaum E, 2002. Biosensors for rapid monitoring of primary-source drinking water using naturally occurring photosynthesis. Biosensors and Bioelectronics 17: 843-849.17. Miyake C, Yonekura K, Kobayashi Y, Yokota A, 2002. Cyclic electron flow within PSII functions in intact chloroplasts from spinach leaves Plant Cell and Physiology 43: 951-957.18. Jeong SW, Choi SM, Lee DS, Ahn SN, Hur Y, Chow WS, Park Y-I, 2002. Differential susceptibility of photosynthesis to light-chilling stress in rice (Oryza sativa L.) depends on the capacity for photochemical dissipation of light. Molecules and Cells 13: 419-428.19. Gervais F, Riebesell U, Gorbunov MY, 2002. Changes in primary productivity and chlorophyll a in response to iron fertilization in the Southern Polar Frontal Zone. Limnology and Oceanography 47: 1324-1335.20. Markstädter C, Queck I, Baumeister J, Riederer M, Schreiber U, Bilger W, 2001. Epidermal transmittance of leaves of Vicia faba for UV radiation as determined by two different methods. Photosynthesis Research 67: 17-25.21. Kolb CA, Käser MA, Kopecký J, Zotz G, Riederer M, Pfündel EE, 2001. Effects of natural intensities of visible and ultraviolet radiation on epidermal ultraviolet screening and photosynthsis in grape leaves. Plant Physiology 127: 863-875.22. Bilger W, Johnsen T, Schreiber U, 2001. UV-excited chlorophyll fluorescence as a tool for the assessment of UV-protection by the epidermis of plants. Journal of Experimental Botany 52: 2007-2014.23. Burchard P, Bilger W, Weissenbock G, 2000. Contribution of hydroxycinnamates and flavonoids to epidermal shielding of UV-A and UV-B radiation in developing rye primary leaves as assessed by ultraviolet-induced chlorophyll fluorescence measurements. Plant Cell and Environment 23: 1373-1380.24. Brookes JD, Ganf GG, Oliver RL, 2000. Heterogeneity of cyanobacterial gas-vesicle volume and metabolic activity Journal of Plankton Research 22: 1579-1589.25. Barnes PW, Searles PS, Ballaré CL, Ryel RJ, Caldwell MM, 2000. Non-invasive measurements of leaf epidermal transmittance of UV radiation using chlorophyll fluorescence: field and laboratory studies. Physiologia Plantarum 109: 274-283.26. Ivanov B, Kobayashi Y, Bukhov NG, Heber U, 1998. Photosystem I-dependent cyclic electron flow in intact spinach chloroplasts: Occurrence, dependence on redox conditions and electron acceptors and inhibition by antimycin A. Photosynthesis Research 57: 61-70.27. Geel C, Versluis W, Snel JFH, 1997. Estimation of oxygen evolution by marine phytoplankton from measurement of the efficiency of Photosystem II electron flow. Photosynthesis Research 51: 61-70.28. Bilger W, Veit M, Schreiber L, Schreiber U, 1997. Measurement of leaf epidermal transmittance of UV radiation by chlorophyll fluorescence. Physiologia Plantarum 101: 754-763.29. Schreiber U, Neubauer C, Schliwa U, 1993. PAM fluorometer based on medium-frequency pulsed Xe-flash measuring light: A highly sensitive new tool in basic and applied photosynthesis research. Photosynthesis Research 36: 65-72.
M708-18A臺(tái)灣DAXUN達(dá)訊接近開(kāi)關(guān) M708-18A
我司專業(yè)代理銷售臺(tái)灣DAXUN達(dá)訊接近開(kāi)關(guān),圓管型接近開(kāi)關(guān)、方型接近開(kāi)關(guān)、圓管型光電開(kāi)關(guān).大量現(xiàn)貨，歡迎來(lái)電訂購(gòu)！
近接開(kāi)關(guān)：
M105-18A-1,M105-18A,M108-18A,M105-17A-1,M105-17A,MB205-36A,MB205-18A,MB304-12A,M304-12A,M107-25A,M110-30A,M115-30A,M902-08A,M801-08A,M504-11A,M402-11A,M904-12A,M802-12A,M904-12A-S,M802-12A-S,M908-18A,M805-18A,M908-18A-S,M805-18A-S,M708-18A,M605-18A,M915-30A,M810-30A,M915-30A-S,M810-30A-S,M715-3018A, M105-18B-1,M105-18C-1,M105-18D-1,M105-18B,M105-18C,M105-18D,M108-18B,M108-18C,M108-18D,M105-17B-1,M105-17C-1,M105-17D-1,M105-17B,M105-17C,M105-17D,MB205-36B,MB205-36C,MB205-36D,MB205-18B,MB205-18C,MB205-18D,MB304-12B,MB304-12C,MB304-12D,M304-12B,M304-12C,M304-12DM107-25AM107-25B,M107-25C,M107-25D,M110-30B,M110-30C,M110-30D,M115-30B,M115-30C,M115-30D,M902-08B,M902-08C,M902-08D,M801-08B,M801-08C,M801-08D,M504-11B,M504-11C,M504-11D,M402-11B,M402-11C,M402-11D,M904-12B,M904-12C,M904-12D,M802-12B,M802-12C,M802-12D,M904-12B-S,M904-12C-S,M904-12D-S,M802-12B-S,M802-12C-S,M802-12D-S,M908-18B,M908-18C,M908-18D,M805-18B,M805-18C,M805-18D,M908-18B-S,M908-18C-S,M908-18D-S,M805-18B-S,M805-18C-S,M805-18D-S,M708-18B,M708-18C,M708-18D,M605-18B,M605-18C,M605-18D,M915-30B,M915-30C,M915-30D,M810-30B,M810-30C,M810-30D,M915-30B-S.M915-30C-S,M915-30D-S,M810-30B-S,M810-30C-S,M810-30D-S,M715-3018B,M715-3018C,M715-3018D,M105-18E,M105-18F,M105-18G,M105-18H,M108-18E,M108-18F,M108-18G,M108-18H,M105-17E-1,M105-17F-1,M105-17G-1,M105-17H-1,M107-25E,M107-25F,M107-25G,M107-25G,M107-25H,M110-30E,M110-30F,M110-30G,M110-30H,M115-30E,M115-30F,M115-30G,M115-30H,M504-11E,M504-11F,M504-11G,M504-11H,M402-11E,M402-11F,M402-11G,M402-11H, M904-12E,M904-12F,M904-12G,M904-12H,M802-12E,M802-12F,M802-12G,M802-12H,M904-12E-S,M904-12F-S,M802-12E-S,M802-12F-S,M908-18E,M908-18F,M908-18G,M908-18H,M805-18E,M805-18F,M805-18G,M805-18H,M908-18E-S,M908-18F-S,M805-18E-S,M805-18F-S,M708-18E,M708-18F,M708-18G,M708-18H,M605-18E,M605-18F,M605-18G,M605-18H,M915-30E,M915-30F,M915-30G,M915-30H,M810-30E,M810-30F,M810-30G,M810-30H,M915-30E-S,M915-30F-S,M810-30E-S,M810-30F-S,M715-3018E,M715-3018F,M715-3018G,M715-3018H,
線 性 輸出— 近 接 開(kāi) 關(guān) :
M908-18i,M805-18i,M708-18i, M908-18J,M805-18J,M805-18K,M908-18K,M708-18J,M708-18K,M605-18J,M605-18K,M710-3018J,M710-3018K,M915-30J,M915-30K,M810-30J,M810-30K,
光 電 開(kāi) 關(guān)：
K1-10N,K1-10P,K1-40N,K1-40P,F1-10N,F1-10P,F1-40N,F1-40P,K2-400N,K2-400P,F2-400N,F2-400P,K3-1000N,K3-1000P,F3-1000N,F3-1000P,K3C-2000N,K3C-2000P，K2-300N，K1-10N2,K1-10P2,K1-10X,K1-40N2,K1-40P2,K1-40X,K1-10N1,K1-10P1,K1-40N1,K1-40P1,F1-10N1,F1-10P1,F1-40N1,F1-40P1,K2-400N1,K2-400P1,F2-400N1,F2-400P1,K3-1000N1,K3-1000P1,F3-1000N1,F3-1000P1,K3C-2000N1,K3C-2000P1,F1-10N2,F1-10P2,F1-10X,F1-40N2,F1-40P2,F1-40X,F2-400N2,F2-400P2,F2-400X,K3-1000N2,K3-1000P2,K3-1000X,F3-1000N2,F3-1000P2,F3-1000X,K3C-2000N2,K3C-2000P2,K3C-2000X，F2-300N
固態(tài)繼電器：YA2-10C,YA2-25C,YA2-40C,Y32-25C,Y32-40C
SY100X100X遙控浮球閥
DX-320LX熒光光譜儀
功能用途：RoHS有害元素/鹵族元素檢測(cè)
DX-320L是一款集RoHS指令/鹵素指令/八大重金屬指令一體的X熒光光譜儀。對(duì)鉛、汞、鎘、鉻、溴、氯、砷、銻、硒、鋇等元素有很好的檢測(cè)下限以及精度。
主要性能優(yōu)勢(shì)：
集合了多年ROHS檢測(cè)經(jīng)驗(yàn)，對(duì)六種有害元素尤其是Br、Cl等鹵素進(jìn)行了優(yōu)化；模塊化的功能設(shè)計(jì)理念便于應(yīng)對(duì)指令進(jìn)行、檢測(cè)元素內(nèi)容的升級(jí)；更為精巧的工藝，實(shí)現(xiàn)小體積樣品的檢測(cè)；更智能、方便的測(cè)試分析軟件，操作人性化、功能強(qiáng)大化；全光路射線防護(hù)系統(tǒng)配合三重安全防護(hù)設(shè)計(jì)，同時(shí)采用軟硬件雙重安全連鎖，確保輻射安全性能。
產(chǎn)品特點(diǎn)：
操作界面簡(jiǎn)單，測(cè)量方便，快捷
無(wú)損檢測(cè)，在無(wú)標(biāo)準(zhǔn)樣品時(shí)亦可準(zhǔn)確分析
采用139±5eV的高精度分辨率，保證數(shù)據(jù)測(cè)量的精度。
能夠檢測(cè)鹵族元素的精確含量
同置高清晰攝像頭，可幫助客戶判斷測(cè)量的部位
電制冷型的X光管配合光管保養(yǎng)程序，散熱更好，并能有效的延長(zhǎng)X光管的壽命
外觀高貴大方，加大儀器內(nèi)部空間，儀器內(nèi)部通風(fēng)性優(yōu)，并有效屏蔽電磁干擾
采用獨(dú)特雙峰位快速自動(dòng)校準(zhǔn)。
自動(dòng)譜線識(shí)別、多元素同時(shí)定性定量分析、讓用戶方便認(rèn)識(shí)分析樣品的組成
國(guó)際領(lǐng)先的定量分析算法，包含F(xiàn)P法、檢量線法、經(jīng)驗(yàn)系數(shù)法、理論系數(shù)法、神經(jīng)網(wǎng)絡(luò)算法等
客戶可根據(jù)自已的要求進(jìn)行二次開(kāi)發(fā)，自行開(kāi)發(fā)任意多個(gè)分析方法
設(shè)置了自動(dòng)安全防護(hù)開(kāi)關(guān)，以確保用戶安全使用。
技術(shù)指標(biāo)
| 型號(hào)： | DX-320L |
| 測(cè)試對(duì)像： | 粉未、固體、液體 |
| 元素分析范圍： | 鈉（Na）－鈾（U） |
| 同時(shí)最多可測(cè)元素： | 36種 |
| 含量分析范圍： | 1ppm～99.99% |
| 工作穩(wěn)定性： | 總熒光強(qiáng)度為0.1％ |
| 測(cè)試時(shí)間： | 60～200秒 |
| 探測(cè)器分辨率： | 139eV±5 |
| 多道分析器： | 2048道 |
| X射線光管： | 功率50W，靶材可選Ag、Rh、W、Mo |
| 高壓電源： | 電壓范圍0~50KV，穩(wěn)定度每小時(shí)小于0.05% |
| 外型尺寸： | 660mm×480mm×330mm |
| 測(cè)量倉(cāng)： | 440mm×350mm×150mm |
| 重量： | 62Kg |
| 最低檢出限： | Cd/Cr/Hg/Br≤1ppm,Pb/Sb/Se/Ba≤2ppm,Cl≤5ppm |
| 鍍層技術(shù)參數(shù)： | |
| 可測(cè)鍍層數(shù)： | 最多可達(dá)5層 |
| 鍍層種類： | 單金屬鍍層、合金鍍層 |
| 鍍層識(shí)別精度： | 分析檢出限可達(dá)2ppm，最薄可測(cè)試0.005μm。 |
| 厚度測(cè)試范圍： | 輕金屬（如：Ti、Cr等）0.01～50um 中金屬（如：Ni、Cu、Zn、Pd、Ag、Sn等）0.01～30um 重金屬（如：Pt、Au、Pb等）0.005～15um |
應(yīng)用范圍： 針對(duì)企業(yè)應(yīng)對(duì)歐盟、北美RoHS環(huán)保指令精心設(shè)計(jì)。不但可以測(cè)試RoHS指令中的鉛、汞、鎘、鉻、銻、硒、砷等重金屬，還能測(cè)試無(wú)鹵素指令的溴、氯等有害元素及金屬鍍層。已在有色金屬、連接器、端子、印刷、玩具、服飾、醫(yī)療設(shè)備、地礦、電子、電器、五金、PCB、半導(dǎo)體、通信、電鍍、首飾、手表、汽車、鋼鐵、鞋材、皮革等行業(yè)得到廣泛應(yīng)用。