应(Ying)用(Yong)案(An)例(Li)
应(Ying)用(Yong)案(An)例(Li)
点(Dian)击(Ji)蓝(Lan)字(Zi)
关(Guan)注(Zhu)我(Wo)们(Men)FOLLOW US
文(Wen)章(Zhang)链(Lian)接(Jie):(?)https://amt.copernicus.org/preprints/amt-2023-212/amt-2023-212.pdf
前(Qian)言(Yan)
田(Tian)间(Jian)施(Shi)用(Yong)的(De)浆(Jiang)料(Liao)畜(Xu)便(Bian)((?)Slurry)(?)是(Shi)氨(An)气(Qi)((?)NH3)(?)排(Pai)放(Fang)的(De)重(Zhong)要(Yao)来(Lai)源(Yuan),(?)通(Tong)常(Chang)有(You)害(Hai)于(Yu)环(Huan)境(Jing)和(He)人(Ren)类(Lei)健(Jian)康(Kang)。(?)为(Wei)了(Liao)评(Ping)估(Gu)缓(Huan)解(Jie)方(Fang)案(An),(?)需(Xu)要(Yao)可(Ke)靠(Kao)的(De)效(Xiao)果(Guo)测(Ce)量(Liang)。(?)本(Ben)研(Yan)究(Jiu)提(Ti)出(Chu)一(Yi)种(Zhong)新(Xin)的(De)具(Ju)有(You)高(Gao)时(Shi)间(Jian)分(Fen)辨(Bian)率(Lu)在(Zai)线(Xian)测(Ce)量(Liang)的(De)动(Dong)态(Tai)通(Tong)量(Liang)室(Shi),(?)新(Xin)的(De)测(Ce)量(Liang)系(Xi)统(Tong)有(You)助(Zhu)于(Yu)在(Zai)手(Shou)动(Dong)和(He)农(Nong)场(Chang)规(Gui)模(Mo)的(De)浆(Jiang)料(Liao)畜(Xu)便(Bian)施(Shi)用(Yong)后(Hou)以(Yi)相(Xiang)对(Dui)较(Jiao)高(Gao)的(De)精(Jing)度(Du)重(Zhong)复(Fu)进(Jin)行(Xing) NH3 排(Pai)放(Fang)测(Ce)量(Liang)。(?)
01
研(Yan)究(Jiu)目(Mu)标(Biao)
本(Ben)研(Yan)究(Jiu)的(De)目(Mu)的(De)是(Shi)开(Kai)发(Fa)一(Yi)种(Zhong)新(Xin)的(De)动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)((?)Dynamic Flux Chambers, DFC)(?)系(Xi)统(Tong),(?)用(Yong)于(Yu)测(Ce)量(Liang)农(Nong)场(Chang)规(Gui)模(Mo)机(Ji)械(Xie)施(Shi)用(Yong)液(Ye)态(Tai)动(Dong)物(Wu)粪(Fen)便(Bian)((?)slurry)(?)后(Hou)的(De)氨(An)((?)NH3)(?)排(Pai)放(Fang)。(?)研(Yan)究(Jiu)还(Huan)评(Ping)估(Gu)了(Liao)不(Bu)同(Tong)施(Shi)肥(Fei)方(Fang)法(Fa)((?)手(Shou)动(Dong)、(?)实(Shi)验(Yan)性(Xing)喷(Pen)雾(Wu)器(Qi)、(?)商(Shang)业(Ye)喷(Pen)雾(Wu)器(Qi))(?)中(Zhong)氨(An)气(Qi)排(Pai)放(Fang)的(De)变(Bian)异(Yi)性(Xing),(?)并(Bing)与(Yu)逆(Ni)向(Xiang)拉(La)格(Ge)朗(Lang)日(Ri)随(Sui)机(Ji)模(Mo)型(Xing)((?)bLS)(?)的(De)测(Ce)量(Liang)结(Jie)果(Guo)进(Jin)行(Xing)比(Bi)较(Jiao)。(?)
02
研(Yan)究(Jiu)方(Fang)法(Fa)
研(Yan)究(Jiu)在(Zai)三(San)个(Ge)田(Tian)间(Jian)试(Shi)验(Yan)((?)Trial A、(?)Trial B、(?)Trial C)(?)展(Zhan)开(Kai),(?)简(Jian)要(Yao)说(Shuo)明(Ming)情(Qing)况(Kuang)如(Ru)下(Xia):(?)
Trial A
施(Shi)肥(Fei)技(Ji)术(Shu):(?)使(Shi)用(Yong)手(Shou)持(Chi)设(She)备(Bei)施(Shi)肥(Fei)。(?)
测(Ce)量(Liang)方(Fang)法(Fa):(?)动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)((?)DFC)(?)和(He)风(Feng)洞(Dong)((?)WT)(?)。(?)
试(Shi)验(Yan)说(Shuo)明(Ming):(?)在(Zai)一(Yi)个(Ge)地(Di)块(Kuai)上(Shang)使(Shi)用(Yong)9个(Ge)DFC和(He)3个(Ge)WT,(?)每(Mei)个(Ge)测(Ce)量(Liang)单(Dan)元(Yuan)都(Du)有(You)背(Bei)景(Jing)测(Ce)量(Liang)点(Dian)。(?)与(Yu)早(Zao)期(Qi)设(She)计(Ji)的(De)风(Feng)洞(Dong)进(Jin)行(Xing)比(Bi)较(Jiao),(?)评(Ping)估(Gu)新(Xin)DFC系(Xi)统(Tong)的(De)性(Xing)能(Neng)。(?)
Trial B
施(Shi)肥(Fei)技(Ji)术(Shu):(?)使(Shi)用(Yong)30米(Mi)长(Chang)的(De)商(Shang)业(Ye)肥(Fei)料(Liao)喷(Pen)雾(Wu)臂(Bi)((?)30-m boom)(?)。(?)
测(Ce)量(Liang)方(Fang)法(Fa):(?)动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)DFC和(He)逆(Ni)向(Xiang)拉(La)格(Ge)朗(Lang)日(Ri)随(Sui)机(Ji)模(Mo)型(Xing)((?)bLS)(?)。(?)
试(Shi)验(Yan)布(Bu)局(Ju):(?) 100m2地(Di)块(Kuai)上(Shang)使(Shi)用(Yong)8个(Ge)DFC,(?)并(Bing)在(Zai)地(Di)块(Kuai)内(Nei)外(Wai)设(She)置(Zhi)了(Liao)bLS测(Ce)量(Liang)点(Dian)。(?)评(Ping)估(Gu)30米(Mi)喷(Pen)雾(Wu)臂(Bi)施(Shi)肥(Fei)对(Dui)氨(An)排(Pai)放(Fang)的(De)影(Ying)响(Xiang),(?)并(Bing)与(Yu)DFC测(Ce)量(Liang)结(Jie)果(Guo)进(Jin)行(Xing)比(Bi)较(Jiao)。(?)
Trial C
施(Shi)肥(Fei)技(Ji)术(Shu):(?)使(Shi)用(Yong)3米(Mi)长(Chang)的(De)实(Shi)验(Yan)性(Xing)肥(Fei)料(Liao)喷(Pen)雾(Wu)臂(Bi)。(?)
测(Ce)量(Liang)方(Fang)法(Fa):(?)动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)DFC和(He)逆(Ni)向(Xiang)拉(La)格(Ge)朗(Lang)日(Ri)随(Sui)机(Ji)模(Mo)型(Xing)((?)bLS)(?)。(?)
试(Shi)验(Yan)布(Bu)局(Ju):(?)分(Fen)别(Bie)在(Zai)56 m2和(He)47 m2的(De)地(Di)块(Kuai)上(Shang)使(Shi)用(Yong)6个(Ge)和(He)7个(Ge)DFC进(Jin)行(Xing)施(Shi)肥(Fei)和(He)注(Zhu)射(She)施(Shi)肥(Fei)的(De)测(Ce)量(Liang),(?)并(Bing)在(Zai)每(Mei)个(Ge)地(Di)块(Kuai)内(Nei)及(Ji)上(Shang)风(Feng)向(Xiang)位(Wei)置(Zhi)设(She)置(Zhi)了(Liao)bLS测(Ce)量(Liang)点(Dian)。(?)比(Bi)较(Jiao)两(Liang)种(Zhong)施(Shi)肥(Fei)方(Fang)法(Fa)对(Dui)氨(An)排(Pai)放(Fang)的(De)影(Ying)响(Xiang),(?)并(Bing)与(Yu)DFC和(He)bLS测(Ce)量(Liang)结(Jie)果(Guo)进(Jin)行(Xing)比(Bi)较(Jiao)。(?)
这(Zhe)三(San)个(Ge)试(Shi)验(Yan)的(De)目(Mu)的(De)是(Shi)评(Ping)估(Gu)不(Bu)同(Tong)施(Shi)肥(Fei)技(Ji)术(Shu)对(Dui)氨(An)排(Pai)放(Fang)的(De)影(Ying)响(Xiang),(?)并(Bing)比(Bi)较(Jiao)DFC和(He)bLS两(Liang)种(Zhong)测(Ce)量(Liang)方(Fang)法(Fa)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)。(?)
03
Picarro仪(Yi)器(Qi)的(De)使(Shi)用(Yong)与(Yu)数(Shu)据(Ju)说(Shuo)明(Ming)
1.在(Zai)三(San)个(Ge)田(Tian)间(Jian)试(Shi)验(Yan)中(Zhong),(?)Picarro G2103被(Bei)用(Yong)于(Yu)DFC和(He)风(Feng)洞(Dong)((?) WT)(?)测(Ce)量(Liang),(?)空(Kong)气(Qi)被(Bei)抽(Chou)取(Qu)到(Dao)一(Yi)个(Ge)旋(Xuan)转(Zhuan)阀(Fa),(?)测(Ce)量(Liang)周(Zhou)期(Qi)为(Wei)8分(Fen)钟(Zhong),(?)试(Shi)验(Yan)A每(Mei)144分(Fen)钟(Zhong)产(Chan)生(Sheng)一(Yi)个(Ge)数(Shu)据(Ju)点(Dian)((?)9个(Ge)DFC具(Ju)有(You)3个(Ge)背(Bei)景(Jing),(?)3个(Ge)WT具(Ju)有(You)3个(Ge)背(Bei)景(Jing),(?)共(Gong)18个(Ge)测(Ce)量(Liang))(?),(?)试(Shi)验(Yan)B每(Mei)88分(Fen)钟(Zhong)产(Chan)生(Sheng)一(Yi)次(Ci)数(Shu)据(Ju)点(Dian)((?)8个(Ge)DFC和(He)3个(Ge)背(Bei)景(Jing),(?)共(Gong)11个(Ge)测(Ce)量(Liang))(?),(?)试(Shi)验(Yan)C每(Mei)80分(Fen)钟(Zhong)产(Chan)生(Sheng)一(Yi)次(Ci)数(Shu)据(Ju)点(Dian)((?)每(Mei)个(Ge)应(Ying)用(Yong)方(Fang)法(Fa)7个(Ge)DFC,(?)3个(Ge)背(Bei)景(Jing),(?)共(Gong)10个(Ge)测(Ce)量(Liang))(?)。(?)
2.在(Zai)bLS模(Mo)型(Xing)测(Ce)量(Liang)中(Zhong),(?)使(Shi)用(Yong)了(Liao)3台(Tai)Picarro G2509 CRDS测(Ce)量(Liang)上(Shang)风(Feng)向(Xiang)和(He)下(Xia)风(Feng)向(Xiang)的(De)NH3浓(Nong)度(Du)。(?)仪(Yi)器(Qi)使(Shi)用(Yong)的(De)说(Shuo)明(Ming)如(Ru)下(Xia):(?)
a.测(Ce)量(Liang)稳(Wen)定(Ding)性(Xing):(?)在(Zai)施(Shi)用(Yong)消(Xiao)化(Hua)液(Ye)前(Qian),(?)这(Zhe)三(San)台(Tai)仪(Yi)器(Qi)测(Ce)量(Liang)的(De)氨(An)浓(Nong)度(Du)在(Zai)9.5小(Xiao)时(Shi)内(Nei)保(Bao)持(Chi)稳(Wen)定(Ding),(?)这(Zhe)意(Yi)味(Wei)着(Zhuo)在(Zai)施(Shi)肥(Fei)前(Qian),(?)田(Tian)间(Jian)的(De)氨(An)背(Bei)景(Jing)浓(Nong)度(Du)没(Mei)有(You)显(Xian)著(Zhu)变(Bian)化(Hua)。(?)
b.仪(Yi)器(Qi)间(Jian)的(De)偏(Pian)差(Cha):(?)尽(Jin)管(Guan)测(Ce)量(Liang)结(Jie)果(Guo)稳(Wen)定(Ding),(?)但(Dan)三(San)台(Tai)仪(Yi)器(Qi)之(Zhi)间(Jian)存(Cun)在(Zai)小(Xiao)的(De)偏(Pian)差(Cha)((?)offset)(?)。(?)这(Zhe)可(Ke)能(Neng)是(Shi)由(You)于(Yu)仪(Yi)器(Qi)校(Xiao)准(Zhun)、(?)传(Chuan)感(Gan)器(Qi)灵(Ling)敏(Min)度(Du)或(Huo)环(Huan)境(Jing)条(Tiao)件(Jian)等(Deng)因(Yin)素(Su)造(Zao)成(Cheng)的(De)。(?)
c.背(Bei)景(Jing)浓(Nong)度(Du):(?)在(Zai)施(Shi)肥(Fei)前(Qian),(?)三(San)台(Tai)仪(Yi)器(Qi)测(Ce)量(Liang)的(De)平(Ping)均(Jun)背(Bei)景(Jing)浓(Nong)度(Du)分(Fen)别(Bie)为(Wei):(?)
1)注(Zhu)射(She)施(Shi)肥(Fei)地(Di)块(Kuai)((?)injection plot)(?)的(De)仪(Yi)器(Qi):(?)1.920 ±(?) 0.06 μ(?)g NH3 m-3
2)喷(Pen)雾(Wu)臂(Bi)施(Shi)肥(Fei)地(Di)块(Kuai)((?)trailing hose plot)(?)的(De)仪(Yi)器(Qi):(?)0.273 ±(?) 0.03 μ(?)g NH3 m-3
3)背(Bei)景(Jing)测(Ce)量(Liang)的(De)仪(Yi)器(Qi):(?)0.824 ±(?) 0.11 μ(?)g NH3 m-3
d.校(Xiao)正(Zheng):(?)为(Wei)了(Liao)确(Que)保(Bao)测(Ce)量(Liang)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing),(?)对(Dui)于(Yu)注(Zhu)射(She)地(Di)块(Kuai)和(He)尾(Wei)随(Sui)式(Shi)施(Shi)肥(Fei)地(Di)块(Kuai)的(De)仪(Yi)器(Qi),(?)分(Fen)别(Bie)进(Jin)行(Xing)了(Liao)校(Xiao)正(Zheng)。(?)校(Xiao)正(Zheng)的(De)重(Zhong)要(Yao)性(Xing):(?)尽(Jin)管(Guan)仪(Yi)器(Qi)间(Jian)的(De)偏(Pian)差(Cha)很(Hen)小(Xiao),(?)但(Dan)考(Kao)虑(Lu)到(Dao)背(Bei)景(Jing)浓(Nong)度(Du)与(Yu)施(Shi)肥(Fei)地(Di)块(Kuai)的(De)浓(Nong)度(Du)差(Cha)异(Yi)不(Bu)大(Da),(?)如(Ru)果(Guo)不(Bu)进(Jin)行(Xing)校(Xiao)正(Zheng),(?)这(Zhe)些(Xie)小(Xiao)的(De)偏(Pian)差(Cha)可(Ke)能(Neng)会(Hui)影(Ying)响(Xiang)注(Zhu)射(She)地(Di)块(Kuai)的(De)氨(An)通(Tong)量(Liang)((?)flux)(?)测(Ce)量(Liang)结(Jie)果(Guo)。(?)
3.数(Shu)据(Ju)说(Shuo)明(Ming):(?)
a.氨(An)排(Pai)放(Fang)速(Su)率(Lu)((?)NH3是(Shi)TAN总(Zong)氨(An)态(Tai)氮(Dan)的(De)一(Yi)部(Bu)分(Fen))(?):(?)通(Tong)过(Guo)喷(Pen)雾(Wu)臂(Bi)施(Shi)肥(Fei)或(Huo)注(Zhu)射(She)施(Shi)肥(Fei)后(Hou),(?)用(Yong)动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)((?)DFC)(?)、(?)风(Feng)洞(Dong)((?)WT)(?)或(Huo)后(Hou)向(Xiang)拉(La)格(Ge)朗(Lang)日(Ri)随(Sui)机(Ji)模(Mo)型(Xing)((?)bLS)(?)的(De)测(Ce)量(Liang),(?)可(Ke)以(Yi)直(Zhi)观(Guan)地(Di)比(Bi)较(Jiao)不(Bu)同(Tong)测(Ce)量(Liang)方(Fang)法(Fa)和(He)施(Shi)肥(Fei)技(Ji)术(Shu)对(Dui)氨(An)排(Pai)放(Fang)的(De)影(Ying)响(Xiang)。(?)
b.展(Zhan)示(Shi)DFC、(?)WT和(He)bLS三(San)种(Zhong)不(Bu)同(Tong)测(Ce)量(Liang)方(Fang)法(Fa)的(De)结(Jie)果(Guo),(?)有(You)助(Zhu)于(Yu)确(Que)定(Ding)在(Zai)不(Bu)同(Tong)施(Shi)肥(Fei)条(Tiao)件(Jian)下(Xia)更(Geng)适(Shi)合(He)评(Ping)估(Gu)氨(An)排(Pai)放(Fang)的(De)方(Fang)法(Fa)。(?)
c.帮(Bang)助(Zhu)研(Yan)究(Jiu)者(Zhe)评(Ping)估(Gu)不(Bu)同(Tong)施(Shi)肥(Fei)技(Ji)术(Shu)对(Dui)减(Jian)少(Shao)氨(An)排(Pai)放(Fang)的(De)潜(Qian)在(Zai)效(Xiao)果(Guo)。(?)
d.直(Zhi)观(Guan)地(Di)展(Zhan)示(Shi)研(Yan)究(Jiu)结(Jie)果(Guo),(?)支(Zhi)持(Chi)注(Zhu)射(She)施(Shi)肥(Fei)相(Xiang)比(Bi)传(Chuan)统(Tong)的(De)喷(Pen)雾(Wu)施(Shi)肥(Fei)技(Ji)术(Shu)可(Ke)以(Yi)显(Xian)著(Zhu)减(Jian)少(Shao)氨(An)排(Pai)放(Fang)的(De)研(Yan)究(Jiu)结(Jie)论(Lun)。(?)
04
总(Zong)结(Jie)
1.动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)DFC技(Ji)术(Shu)通(Tong)过(Guo)设(She)计(Ji)改(Gai)进(Jin)、(?)CFD模(Mo)拟(Ni)验(Yan)证(Zheng)、(?)实(Shi)地(Di)试(Shi)验(Yan)结(Jie)果(Guo)和(He)统(Tong)计(Ji)分(Fen)析(Xi),(?)证(Zheng)明(Ming)了(Liao)其(Qi)在(Zai)测(Ce)量(Liang)氨(An)排(Pai)放(Fang)方(Fang)面(Mian)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)优(You)于(Yu)WT技(Ji)术(Shu)。(?)
2.动(Dong)态(Tai)通(Tong)量(Liang)室(Shi)DFC和(He)逆(Ni)向(Xiang)拉(La)格(Ge)朗(Lang)日(Ri)随(Sui)机(Ji)模(Mo)型(Xing)bLS,(?)这(Zhe)两(Liang)种(Zhong)方(Fang)法(Fa)都(Du)显(Xian)示(Shi):(?)与(Yu)喷(Pen)雾(Wu)施(Shi)肥(Fei)相(Xiang)比(Bi),(?)注(Zhu)射(She)施(Shi)肥(Fei)方(Fang)式(Shi)大(Da)幅(Fu)度(Du)降(Jiang)低(Di)NH3排(Pai)放(Fang)量(Liang)((?)DFC 为(Wei) 89%,(?)bLS 为(Wei) 97%)(?),(?)新(Xin)的(De)测(Ce)量(Liang)系(Xi)统(Tong)有(You)利(Li)于(Yu)对(Dui)NH3的(De)排(Pai)放(Fang)进(Jin)行(Xing)测(Ce)量(Liang)
如(Ru)果(Guo)各(Ge)位(Wei)老(Lao)师(Shi)、(?)学(Xue)者(Zhe)、(?)同(Tong)学(Xue)对(Dui)此(Ci)文(Wen)感(Gan)兴(Xing)趣(Qu)请(Qing)联(Lian)系(Xi)我(Wo)们(Men),(?)我(Wo)们(Men)会(Hui)竭(Jie)诚(Cheng)为(Wei)大(Da)家(Jia)发(Fa)送(Song)此(Ci)文(Wen)献(Xian)原(Yuan)文(Wen)以(Yi)及(Ji)文(Wen)献(Xian)相(Xiang)关(Guan)的(De)解(Jie)读(Du)资(Zi)料(Liao)。(?)
北(Bei)京(Jing)世(Shi)纪(Ji)朝(Chao)阳(Yang)科(Ke)技(Ji)发(Fa)展(Zhan)有(You)限(Xian)公(Gong)司(Si)成(Cheng)立(Li)于(Yu)2000年(Nian),(?)拥(Yong)有(You)二(?)十(Shi)多(Duo)年(Nian)的(De)分(Fen)析(Xi)仪(Yi)器(Qi)在(Zai)中(Zhong)国(Guo)市(Shi)场(Chang)推(Tui)广(Guang)、(?)销(Xiao)售(Shou)与(Yu)售(Shou)后(Hou)服(Fu)务(Wu)经(Jing)验(Yan)。(?)2019年(Nian),(?)Picarro经(Jing)过(Guo)对(Dui)中(Zhong)国(Guo)大(Da)陆(Lu)地(Di)区(Qu)公(Gong)司(Si)的(De)遴(Lin)选(Xuan),(?)决(Jue)定(Ding)授(Shou)予(Yu)我(Wo)公(Gong)司(Si)全(Quan)行(Xing)业(Ye)代(Dai)理(Li)权(Quan),(?)并(Bing)负(Fu)责(Ze)大(Da)中(Zhong)华(Hua)区(Qu)Picarro产(Chan)品(Pin)的(De)售(Shou)前(Qian)售(Shou)后(Hou)以(Yi)及(Ji)应(Ying)用(Yong)支(Zhi)持(Chi)。(?)
北(Bei)京(Jing)世(Shi)纪(Ji)朝(Chao)阳(Yang)科(Ke)技(Ji)发(Fa)展(Zhan)有(You)限(Xian)公(Gong)司(Si)的(De)公(Gong)众(Zhong)号(Hao),(?)会(Hui)定(Ding)期(Qi)发(Fa)送(Song)一(Yi)些(Xie)应(Ying)用(Yong)Picarro设(She)备(Bei)进(Jin)行(Xing)的(De)一(Yi)些(Xie)最(Zui)前(Qian)沿(Yan)的(De)生(Sheng)态(Tai)系(Xi)统(Tong)变(Bian)化(Hua)监(Jian)测(Ce)技(Ji)术(Shu),(?)欢(Huan)迎(Ying)各(Ge)位(Wei)老(Lao)师(Shi)关(Guan)注(Zhu)。(?)Picarro分(Fen)析(Xi)仪(Yi)的(De)用(Yong)户(Hu)遍(Bian)布(Bu)全(Quan)球(Qiu)各(Ge)知(Zhi)名(Ming)机(Ji)构(Gou)与(Yu)组(Zu)织(Zhi),(?)在(Zai)环(Huan)境(Jing)气(Qi)体(Ti)监(Jian)测(Ce)网(Wang)络(Luo)领(Ling)域(Yu)有(You)许(Xu)多(Duo)经(Jing)验(Yan)和(He)案(An)例(Li),(?)如(Ru)果(Guo)各(Ge)位(Wei)老(Lao)师(Shi)和(He)专(Zhuan)家(Jia)想(Xiang)了(Liao)解(Jie)更(Geng)多(Duo)信(Xin)息(Xi),(?)欢(Huan)迎(Ying)与(Yu)我(Wo)们(Men)联(Lian)系(Xi)。(?)更(Geng)希(Xi)望(Wang)Picarro设(She)备(Bei)对(Dui)各(Ge)位(Wei)老(Lao)师(Shi)的(De)科(Ke)学(Xue)研(Yan)究(Jiu)有(You)所(Suo)帮(Bang)助(Zhu)。(?)
- END -