吗啉米特

【作者】：Maciej Zalas, Błażej Gierczyk, Michał Cegłowski and Grzegorz Schroeder 【题名】：Synthesis of new dendritic antenna-like polypyridine ligands 【期刊】：CHEMISTRY AND MATERIALS SCIENCE【年、卷、期、起止页码】：Volume 66, Number 8 (2012), 733-740 【全文链接】：http://www.springerlink.com/content/c1g547131j447433/ 【作者】：T. Prakash【题名】：Review on nanostructured semiconductors for dye sensitized solar cells【期刊】：CHEMISTRY AND MATERIALS SCIENCE【年、卷、期、起止页码】：Volume 8, Number 3 (2012), 231-243【全文链接】：http://www.springerlink.com/content/e1340856198k078w/

Dod MIL-HDBK-17-1F-Composite Materials Handbook Volume 1.Polymer Matrix Composites Guidelines For Characterization Of Structural Materials

大米中噻虫啉加标回收好做吗？望老师不吝赐教

【序号】：1【作者】：【题名】：Chromatographic Fingerprinting Strategy to Delineate Chemical Patterns Correlated to Coffee Odor and Taste Attributes【DOI】：10.1021/acs.jafc.1c00509【年、卷、期、起止页码】：【全文链接】：

7. Linearity and Detection LimitsThe next few parts of this guide will provide practical information for the operator in the realization and demonstration of the key performance characteristics designed into their ICP by the manufacturer.I have personally had the opportunity to see the advancement of ICP instrumentation over the past 30 years. Current instrumentation and software provided by manufacturers has gone well beyond anything I could have imagined 30 years ago (and it costs less). In 2004 it takes $3.21 to purchase what cost $1.00 in 1975, yet during this time period the price of ICP instrumentation has gone down while the performance characteristics have improved by orders of magnitude. A 憄ersonal experience?example is the detection limit for K by ICP-OES that has gone from 0.4 ppm to 1 ppb where the 0.4 ppm detection limit was measured on an instrument that in 1975 cost 1.5 times the 2000 price of the instrument that measured the 1 ppb detection limit (taking inflation into account, the 2000 price would be one fifth the 1975 price).Although an ICP instrument can be wheeled into a laboratory and begin collecting data the same day, the operator is encouraged to realize and demonstrate the key performance characteristics of linearity, detectability, and spectral integrity and then go on to make decisions based upon the boundaries of these performance characteristics and the limitations of the analytical problem. Defining and being able to realize your instrument抯 performance characteristic is an investment that will save time over the years to come and allow you to make the right choices.Defining ICP Performance Characteristics The following steps are intended as a practical guide for the determination of an ICP抯 performance characteristics:Read the operating manual and familiarize yourself with the software, key instrumental parameters and preferred settings before the instrument is installed. Most instruments are supplied with optimization and wavelength or mass calibration standards that will be used during set-up by the service technician and are intended for use on a regular basis by the operator. Discuss the optimization process with the manufacturer as well as the preferred settings for the key instrumental parameters.The remaining steps assume that the operator fully understands and is able to perform the optimization process that has been defined by the manufacturer as well as the spectral limitations of the instrument.Select the lines to be studied for each element (憀ines?is used in this document to mean either wavelength or mass). Line selection is based upon spectral interference issues, detection limit requirements and working range requirements. Select as many lines as possible within practicality for each element. The greater the number of lines, the greater the flexibility.Prepare single element standards over the anticipated working range for each element. The range of standards depends upon the analytical requirements. The following ranges are suggestions only:• Radial view ICP-OES: 0.0, 1, 10, 100, and 1000 礸/mL• Axial view ICP-OES: 0.0, 0.1, 1, 10, and 100 礸/mL• Quadrupole (R~ 300) mass filtered [url=https://insevent.instrument.com.cn/t/yp][color=#3333ff]ICP-MS[/color][/url]: 0, 1, 10, 100, and 1000 ng/mLThis step is important because these data can be used to determine instrument detection limits (IDL), linear working ranges, and spectral characteristics such as background equivalent concentrations (BEC) and spectral interferences. With most modern (if not all) instruments, the spectra obtained for each element at each concentration can be saved for review later. In addition, the software will calculate the IDL and BEC plus the linear regression of each line will establish the linear working range. All of this is typically done for the operator by the software that comes with the instrument. If at all possible, attempt to:Use single element standards that have the trace metals impurities reported on the certificate of analysis. Most chemical standards manufacturers provide this information with their single element standards. These data are important in identifying direct spectral overlap interferences and in not identifying an impurity as an interference of this type.Store all spectra on computer and collect the spectra for all lines of interest on each and every solution. This means that if you are interested in possibly using up to 6 lines for roughly 72 elements, then each solution spectrum totaling 72 x 6 = ~ 432 lines per solution and ~ 432 x 5 = 2160 spectra for each element need to be stored for future reference. Most [url=https://insevent.instrument.com.cn/t/yp][color=#3333ff]ICP-MS[/color][/url] applications would require far fewer data to be collected due to the reduced number of lines available and/or feasible.Wash blank acid solution through the instrument for several minutes 慴etween elements?and always analyze a blank at the beginning of each element concentration series. Look for the presence of the prior element analyzed to confirm that it has been completely washed out of the introduction system.Having the data available on a desktop computer is convenient and allows the analyst to construct potential spectra by calling up the element and the anticipated concentration for each element in the analytical sample. Having several lines available makes the job of line selection easy as well as the estimation of the line抯 sensitivity and linearity. Constructing these composite spectra from pure single element solutions eliminates confusion as to the identity of the line. The following example is intended to illustrate the process:Examples of Spectra:NOTE: All spectra were obtained using a concentric glass nebulizer with no problems around salting out or plugging.The following example is for an application where a submitter has been obtaining minor levels (0.1 to 1.0 %) of Cr in an alloy containing roughly equal amounts of Fe and Ni. The laboratory where this alloy is analyzed uses a procedure where 0.2 grams of the sample is dissolved in 5 mL of a 1:1 HNO3 / HCl mixture and diluted to 1000 mL with DI water. The analyst is informed that a limit of detection (LOD = 3SD0) of 1 ppm Cr based upon the original sample and the ability to quantify the Cr to within &plmn 10 % relative at the 10 ppm level is an absolute minimum requirement.The submitter then asks the analyst the usual question, 揑 need the results tomorrow ?can you do it??The analyst does a quick calculation and determines that using the most sensitive Cr line and the current procedure, the lowest possible detection limit is 4 ppm and a more realistic estimation would be ~ 4 times the IDL or ~ 16 ppm. The analyst then pulls up the following spectra, instrument detection limits, and linear regression data which were obtained on their radial view instrument about four years ago when installed using pure single element solutions as described above.

据加拿大卫生部消息，2012年12月4日加拿大卫生部发布EMRL2012-57、EMRL2012-58、EMRL2012-59、EMRL2012-60号通报，有害生物管理局修订了烯酰吗啉（Dimethomorph）、苯醚甲环唑（Difenoconazole）等四种农药的最大残留限量。 部分原文报道如下： Common Name Residue Definition MRL (ppm)Table 1 footnote 1 Food Commodity Footnote 1 ppm = parts per million Return to footnote 1 referrer Dimethomorph (E,Z )-4-morpholine 40 Hops (dried) 30 Leafy vegetables (Crop Group 4), leafy greens (Crop Subgroup 5B) 15 Green onions (Crop Subgroup 3-07B) 7.0 Raisins 6.0 Head and stem Brassica (Crop Subgroup 5A) 3.0 Fruiting vegetables (Crop Group 8-09), small fruit vine climbing, except fuzzy kiwifruit (Crop Subgroup 13-07F) 0.6 Bulb onions (Crop Subgroup 3-07A)

有参加大米粉中 马拉硫磷能力验证的吗

问题: 请问使用了农药啶虫脒，产品上检测吡虫啉，会将啶虫脒当吡虫啉的检出吗回复: 啶虫脒和吡虫啉的保留时间不一样

【序号】：1【作者】：Victoria E. McCoy, Jasmina Wiemann, James C. Lamsdell, Christopher D. Whalen, Scott Lidgard, Paul Mayer, Holger Petermann, Derek E. G. Briggs【题名】：Chemical signatures of soft tissues distinguish between vertebrates and invertebrates from the Carboniferous Mazon Creek Lagerst?tte of Illinois【期刊】：【年、卷、期、起止页码】：First published: 28 April 2020 https://doi.org/10.1111/gbi.12397Citations: 10【全文链接】：https://onlinelibrary.wiley.com/doi/10.1111/gbi.12397万分感谢，感谢诸位朋友帮助！！！！

dynamic textbook[img]http://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=32271]material dynamic[/url]

我用 Waters Ultrahydrogel Linear 分析纳米聚合物,流动相是缓冲液(20mM,pH=6.8).近来分析以前的样时,其中一个峰出现偏峰(即肩峰),反接低速冲1-2小时,正接平衡后再分析,这个峰就没肩峰了,且峰也比上面的高.第二天,平衡后再分析,就又有肩峰了.真是太怪了.且连了预柱.我怀疑是柱子脏了或是填料松了.请教各位高手了!

[*][作者]：[url=https://link.springer.com/book/10.1007/1-4020-5438-6?page=2#author-1-0]J[font=Archivo, &][size=16px][color=#222222]Xiaoxia Luo, Hua Liu, Zhenwu Lu, and Yao Wang[/color][/size][/font][/url][*][题名]：[b][b][url=https://iopscience.iop.org/book/mono/978-0-7503-3167-8][b]Automated optimization of an aspheric light-emitting diode lens for uniform illumination[/b][/url][/b][/b][list][/list][*][b]【期刊】：optica[/b][*][b]【链接】：[url=https://opg.optica.org/ao/abstract.cfm?uri=ao-50-20-3412#]Automated optimization of an aspheric light-emitting diode lens for uniform illumination (optica.org)[/url][/b]

大师王中林发表在Advanced Functional Materials上关于氧化物压电纳米结构的文章，电镜照片堪称艺术品。读后，相信对晶体学，电子显微学基本概念有所帮助。

Abstract: A novel method of micro-plate magnetic chemiluminescence enzyme immunoassay (MMCLEIA) for the screening of 17 beta-estradiol in water samples was proposed. It used the micro-plate magnetic separator designed by ourselves which can achieve the high-throughput analysis without the samples pre-treatment and the sensitive chemilummescence system of AMPPD-ALP system. The method showed specific recognition of estrogen, without cross-reactions for three other major estrogenic compounds (17 beta-estradiol (E2), estriol (E3), ethinyl (E2)) commonly found in water. The MMCLEIA was also especially suitable for the large-scale samples processing. The working range for 17 beta-estradiol was 10-3000 pg/ml. The assay sensitivity was 5.4 pg/ml. Both intra- and inter-assay had relative standard deviation of less 15%. The effect of several physico-chemical parameters, such as the ratio of antibody versus antigen, incubation time and the concentration of detergent were studied. This method has been successfully applied to the preliminary detection of the sea-water. Compared with the chemiluminescence enzyme-linked immumosorbed assay, the correlation was good. (C) 2005 Elsevier B.V. All rights reserved. Author Keywords: micro-plate magnetic separator micro-plate magnetic chemiluminescence enzyme immunoassay (MMCLEIA) 17 beta-estradiol (E2) environmental water sample

【序号】：1【作者】：JunjiINUKAI,KatsuyaITO,KingoITAYA【题名】：In situ Electrochemical Scanning Tunneling Microscopy of Zinc-terminated ZnO(0001) Single Crystal Electrode in Solution【期刊】：ELECTROCHEMISTRY【年卷期】：Vol.67 , No.12 , p.1126 (1999).(EN)【全文链接】：http://journal.electrochem.jp/en-e/linkdl.html?v=67&no=12&p=1126【序号】：2【作者】：Sung Sik Chang, Akira Sakai 【题名】：Scanning Tunneling Microscopy Studies of Porous and Oxidized Zn【期刊】：Key Engineering Materials (Volumes 326 - 328)【年卷期】：373-376【全文链接】：http://www.scientific.net/KEM.326-328.373

我是药剂专业的，从没拍过TEM。请问一下，带正电荷和负电荷的纳米粒，在TEM下有差异吗

[color=#000000][size=2]【序号】：1 【作者】：[/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Mandal%20U%22%5BAuthor%5D][color=#000000][size=2]Mandal U[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Das%20A%22%5BAuthor%5D][color=#000000][size=2]Das A[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Agarwal%20S%22%5BAuthor%5D][color=#000000][size=2]Agarwal S[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Chakraborty%20U%22%5BAuthor%5D][color=#000000][size=2]Chakraborty U[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Nandi%20U%22%5BAuthor%5D][color=#000000][size=2]Nandi U[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Chattaraj%20TK%22%5BAuthor%5D][color=#000000][size=2]Chattaraj TK[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Pal%20TK%22%5BAuthor%5D][color=#000000][size=2]Pal TK[/size][/color][/url][color=#000000][size=2].【题名】： [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed/18751500][color=#000000][size=2]Bioequivalence study of two formulations containing 400 mg dexibuprofen in healthy Indian subjects.[/size][/color][/url][color=#000000][size=2]【期刊】： [/size][/color]jour Arzneimittelforschung.)[color=#000000][size=2]Arzneimittelforschung.[/size][/color][color=#000000][size=2] 【年、卷、期、起止页码】： 2008 58(7):342-7.[/size][/color][font=宋体]http://med.wanfangdata.com.cn/viewHTMLEn/PeriodicalPaper_NSTL16923179.aspx[/font][font=宋体][/font][color=#000000][size=2][font=Arial]【序号】：[/font][/size][/color][color=#000000][size=2] 2【作者】：[/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Menon%20S%22%5BAuthor%5D][color=#000000][size=2]Menon S[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Kadam%20N%22%5BAuthor%5D][color=#000000][size=2]Kadam N[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Patil%20G%22%5BAuthor%5D][color=#000000][size=2]Patil G[/size][/color][/url][color=#000000][size=2], [/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed?term=%22Mhatre%20P%22%5BAuthor%5D][color=#000000][size=2]Mhatre P[/size][/color][/url][color=#000000][size=2].[/size][/color][color=#000000][size=2]【题名】：[/size][/color][url=http://www.ncbi.nlm.nih.gov/pubmed/18218298][color=#000000][size=2]A randomized, crossover study to determine bioequivalence of two brands of dexibuprofen 400 mg tablets in healthy Asian adult male subjects of Indian origin.[/size][/color][/url][color=#000000][size=2]【期刊】：[/size][/color][url=javascript:AL_get(this,%20'jour',%20'Int%20J%20Clin%20Pharmacol%20Ther.') ][color=#000000][size=2]Int J Clin Pharmacol Ther.[/size][/color][/url][color=#000000][size=2] [/size][/color][color=#000000][size=2]【年、卷、期、起止页码】： 2008 Jan 46(1):48-54.[/size][/color]

特丁硫磷和特丁硫磷亚砜的离子对是多少？有谁做过，[url=https://insevent.instrument.com.cn/t/Yp][color=#3333ff]液质[/color][/url]条件是什么？

Dod Mil-Hdbk-17-5-Composite Materials Handbook Volume 5.Ceramic Matrix Composites

【序号】：1【作者】：Linda M. Thienpont, Jean E. Van Nuwenborg, Hans Reinauer and Dietmar Stöckl【题名】：Validation of candidate reference methods based on ion chromatography for determination of total sodium, potassium, calcium and magnesium in serum through comparison with flame atomic emission and absorption spectrometry【期刊】：Clinical Biochemistry【年、卷、期、起止页码】：Volume 29, Issue 6, December 1996, Pages 501-508【全文链接】：http://www.sciencedirect.com/science/article/pii/S0009912096000902

STS团队的弓耀忠老师的原创全文（弓老师长期从事食品微生物检测，教授级高工）将单增李斯特氏菌纳入速冻面米生制品标准中的必要性山西省食品质量安全监督检验研究院微生物检验部 弓耀忠单核细胞增生李斯特氏菌([i]Listeriamonocytogenes[/i])简称单增李斯特菌，是一种人畜共患病的[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=352404&ss_c=ssc.citiao.link][color=windowtext]病原菌[/color][/url]。感染后主要表现为[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=65880&ss_c=ssc.citiao.link][color=windowtext]败血症[/color][/url]、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=491069&ss_c=ssc.citiao.link][color=windowtext]脑膜炎[/color][/url]和单核细胞增多。它广泛存在于自然界中，食品中存在的单增李氏菌对人类的安全具有危险，该菌在4℃的环境中仍可生长繁殖，是冷藏食品威胁人类健康的主要病原菌之一，因此，在食品卫生微生物检验中，必须加以重视。一、单增李斯特氏菌概述该菌对理化因素抵抗力较强，在土壤、粪便、青储饲料和[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=5976350&ss_c=ssc.citiao.link][color=windowtext]干草[/color][/url]内能长期存活，对碱和盐抵抗力强，60-70℃经5-20min可杀死，70%酒精5min、2.5%石炭酸、2.5%[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=214308&ss_c=ssc.citiao.link][color=windowtext]氢氧化钠[/color][/url]、2.5%[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=78431&ss_c=ssc.citiao.link][color=windowtext]福尔马林[/color][/url]20min 可杀死此菌。单增李斯特氏菌广泛存在于自然界中，不易被冻融，能耐受较高的渗透压，在土壤、地表水、污水、废水、植物、青储饲料、烂菜中均有该菌存在，所以动物很容易食入该菌，并通过口腔-粪便的途径进行传播。据报道，健康人粪便中单增李氏菌的携带率为0.6-16%,有70%的人可短期带菌，4-8%的水产品、5-10%的奶及其产品、30%以上的[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=53473618&ss_c=ssc.citiao.link][color=windowtext]肉制品[/color][/url]及15%以上的家禽均被该菌污染。人主要通过食入软奶酪、未充分加热的鸡肉、未再次加热的[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=106246&ss_c=ssc.citiao.link][color=windowtext]热狗[/color][/url]、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=142937&ss_c=ssc.citiao.link][color=windowtext]鲜牛奶[/color][/url]、巴氏消毒奶、冰激凌、生[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=1951082&ss_c=ssc.citiao.link][color=windowtext]牛排[/color][/url]、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=7828947&ss_c=ssc.citiao.link][color=windowtext]羊排[/color][/url]、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=80585&ss_c=ssc.citiao.link][color=windowtext]卷心菜[/color][/url][url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=291085&ss_c=ssc.citiao.link][color=windowtext]色拉[/color][/url]、芹菜、西红柿、法式馅饼、冻猪舌等而感染，约占85-90%的病例是由被污染的食品引起的。该菌可通过眼及破损皮肤、粘膜进入体内而造成感染，孕妇感染后通过胎盘或[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=8340388&ss_c=ssc.citiao.link][color=windowtext]产道[/color][/url]感染胎儿或新生儿,栖居于阴道、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=142987&ss_c=ssc.citiao.link][color=windowtext]子宫颈[/color][/url]的该菌也引起感染，性接触也是本病传播的可能途径，且有上升趋势。单增李氏菌进入人体后是否发病，与菌的毒力和[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=127306&ss_c=ssc.citiao.link][color=windowtext]宿主[/color][/url]的年龄、免疫状态有关，因为该菌是一种细胞内寄生菌，宿主对它的清除主要靠细胞免疫功能。因此，[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=62889306&ss_c=ssc.citiao.link][color=windowtext]易感[/color][/url]者为新生儿、孕妇及40岁以上的成人，此外，酗酒者、免疫系统损伤或缺陷者、接受免疫抑制剂和皮质激素治疗的患者及器官移植者也易被该菌感染。该病的临床表现，健康成人个体出现轻微类似流感症状，新生儿、孕妇、免疫缺陷患者表现为呼吸急促、呕吐、出血性皮疹、化脓性[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=126843&ss_c=ssc.citiao.link][color=windowtext]结膜炎[/color][/url]、发热、抽搐、昏迷、自然流产、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=491069&ss_c=ssc.citiao.link][color=windowtext]脑膜炎[/color][/url]、[url=http://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=65880&ss_c=ssc.citiao.link][color=windowtext]败血症[/color][/url]直至死亡。二、我院单增李斯特氏菌风险监测情况2014年我院共完成国家速冻面米制品饺子中单增李斯特氏菌风险监测14批次样品，检出7批次，阳性率50%，有的批次样品五个样品全部检出，三、我国目前的标准及检测方法鉴于我国没有充足的临床数据支持，根据我国风险监测结果，从保护公众健康角度出发，参考联合国粮农组织/世界卫生组织即食食品中单核细胞增生李斯特氏菌的风险评估报告和CAC、欧盟、ICMSF等国际组织和地区即食食品中单核细胞增生李斯特氏菌限量标准，按二级采样方案设置了高风险的即食肉制品中单核细胞增生李斯特氏菌限量规定，具体为n=5,c=0,m=0（即在被检的5份样品中，不允许任一样品检出单增李斯特菌）。四、国外对单增李斯特氏菌监测的情况查阅相关资料显示：澳大利亚、新西兰、挪威、加拿大分别在肉切片、蛋黄酱、乳制品、烟熏鱼、卷心菜丝、贝类、禽肉中规定了单增李斯特氏菌的残留限量。例如：挪威规定肉-切片及切碎制品用于三明治（真空包装）中单增李斯特氏菌限量为n=5,c=0,m=0 CFU/g,M=10CFU/g。五、将单增李斯特氏菌放入速冻面米生制品标准中的必要性根据我院风险监测的情况，速冻面米生制品饺子中单增李斯特氏菌阳性率50%，如果消费者在加工煮食过程中生熟不能够严格分开，用放置了生肉陷的容器盛放煮熟的饺子，势必会加大消费者感染单增李斯特氏菌的风险，所以完善我国单增李斯特氏菌检测标准定量检测方法，增加速冻面米生制品标准中单增李斯特氏菌限量规定显得尤为必要。

总磷密码样203955的浓度和不确定度是多少 啊？测的1.61，没做新的标线

氟虫腈的代谢物氟甲腈、氟虫腈硫醚、氟虫腈砜，特丁硫磷的代谢物特丁硫磷亚砜没有找到标准方法，请问各位老师用的什么方法做的；甲拌磷和它的代谢物甲拌磷砜和甲拌磷亚砜各位老师是用的[url=https://insevent.instrument.com.cn/t/bp][color=#3333ff]气质[/color][/url]还是[url=https://insevent.instrument.com.cn/t/Yp][color=#3333ff]液质[/color][/url]呢？

【序号】：1【作者】：【题名】：Characterization and comparison of aroma profiles of orange pulp and peel by GC–MS/O, OAV, aroma recombination and omission tests【DOI】：【年、卷、期、起止页码】：【全文链接】：https://link.springer.com/article/10.1007/s00217-022-04157-x

首先祝大家圣诞快乐、新年快乐！[em24] 我向大家请教的问题是如何用HRTEM表征掺杂纳米氧化物半导体。基体为10nm左右的纳米氧化物，掺杂相为稀土离子，在基体内分布比较均匀，但是无定形的。做HRTEM的目的在于想确定无定形掺杂相在基体中的位置，是间隙掺杂还是取代掺杂。另外，用哪种HRTEM较好，LaB6 HRTEM、FEG HRTEM 还是STEM? 欢迎大家不吝赐教！谢谢先！

德国IEP Technologies SE-HT带2米电缆破裂高温传感器，作为一款专为高温、高压及潜在爆裂风险环境设计的先进监测设备，在奶粉厂、化工、制药等行业的干燥塔中发挥着至关重要的作用。以下是对该传感器在干燥塔中应用的详细介绍： [b]一、产品概述[/b] IEP Technologies SE-HT带2米电缆破裂高温传感器，集成了高温耐受、高灵敏度监测、快速响应及安全防爆等多重特性于一体。其特别配备的2米电缆，使得传感器能够灵活部署于干燥塔内部，准确监测关键区域的温度与压力变化。 [b]二、产品特点[/b] [list=1][*] [font=-apple-system, BlinkMacSystemFont, &]高温耐受性[/font]：该传感器采用特殊耐高温材料制造，能够承受极端高温环境，确保在干燥塔内部长时间稳定运行。 [*] [font=-apple-system, BlinkMacSystemFont, &]高灵敏度监测[/font]：传感器具备极高的监测灵敏度，能够实时捕捉干燥塔内微小的压力波动与温度变化，为预防爆裂事故提供精确数据支持。 [*] [font=-apple-system, BlinkMacSystemFont, &]快速响应[/font]：一旦监测到异常情况，传感器能迅速通过电缆传输信号至控制系统，触发报警或采取相应的安全措施，有效缩短响应时间。 [*] [font=-apple-system, BlinkMacSystemFont, &]安全防爆[/font]：符合国际防爆标准的设计，确保在易燃易爆环境中使用的安全性，减少潜在的安全风险。 [*] [font=-apple-system, BlinkMacSystemFont, &]便捷安装与维护[/font]：配备的2米电缆不仅便于安装，还简化了后期的维护流程，降低了运维成本。 [/list] [b]三、在干燥塔中的应用[/b] [list=1][*] [font=-apple-system, BlinkMacSystemFont, &]实时监测[/font]：传感器被安装在干燥塔的关键位置，通过2米电缆与控制系统相连，实现对塔内温度、压力等参数的实时监测。 [*] [font=-apple-system, BlinkMacSystemFont, &]预警功能[/font]：当监测到塔内压力异常升高或温度超过安全范围时，传感器会立即发出预警信号，通知操作人员采取措施降低风险。 [*] [font=-apple-system, BlinkMacSystemFont, &]安全保护[/font]：传感器与干燥塔的安全系统紧密集成，一旦监测到爆裂风险，将自动触发安全保护机制，如关闭进气阀、启动泄压装置等，防止事故扩大。 [*] [font=-apple-system, BlinkMacSystemFont, &]提高生产效率[/font]：通过实时监测与预警，传感器有助于减少因设备故障导致的生产中断，提高生产效率与产品质量。同时，其精准的数据支持也为生产过程的优化提供了有力依据。 [/list] [b]四、总结[/b] 德国IEP Technologies SE-HT带2米电缆破裂高温传感器，凭借其卓越的高温耐受性、高灵敏度监测、快速响应及安全防爆等特点，在干燥塔等高温高压环境中展现出了非凡的性能与优势。它不仅为企业的安全生产提供了有力保障，还促进了生产效率与产品质量的提升。对于追求高效、安全生产的企业而言，IEP Technologies SE-HT带2米电缆破裂高温传感器无疑是不可或缺的重要设备之一。

【序号】：2【作者】：Nicolas de Tribolet【题名】：Clinical assessment of a novel antiadhesion barrier gel: Prospective, randomized, multicenter, clinical trial of ADCON-L to inhibit postoperative peridural fibrosis and related symptoms after lumbar discectomy【期刊】：The American Journal of Orthopedics 【年、卷、期、起止页码】：27(2):111-20【全文链接】：https://www.researchgate.net/publication/51303624_Clinical_assessment_of_a_novel_antiadhesion_barrier_gel_Prospective_randomized_multicenter_clinical_trial_of_ADCON-L_to_inhibit_postoperative_peridural_fibrosis_and_related_symptoms_after_lumbar_disce

请问Musk decenoate, Musk terralin有人知道相关信息吗？或化学性质？

【作者】： Paria Coliaie et al【题名】：In-line measurement of liquid-liquid phase separation boundaries using a turbidity-sensor-integrated continuous-flow microfluidic device 【期刊】：Lab on a Chip 22(12) 2022【年、卷、期、起止页码】：【全文链接】：DOI:10.1039/d1lc01112j

本人在这个Scripps研究所，刚刚group发布了XCMS-online beta版本。有兴趣的可以试着用用。可用于metabolomics，也对LC-MS的数据普遍可用，需要upload 两组data进行对比分析。 可在下面的网址上面注册一个用户（免费），将LC-MS的数据（如安捷伦仪器的）直接上传，等待数据分析处理后，可以在线浏览对比分析的数据，也可以下载。数据分析包括P-value，变化fold，以及方便的与代谢物小分子数据库链接等。Announcement: The Scripps Center for Metabolomics is pleasedto announce XCMS Online, a new user-friendly approach to process metabolomicsdata.XCMS Online provides the same high-quality metabolomic analysis that you areused to but in a user-friendly, web-based format. XCMS Online allows users to easily upload LC/MS metabolomic data that can then be processed with a few simple mouse clicks. Predefined parameter settings for differentinstruments (e.g., QTOF, Orbitrap, etc...) will be available as will be optionsfor customization. Results can be viewed online in an interactive,customizable table showing statistics, chromatograms, and putative METLINidentities. All results and images will be available for download as .zipfiles. You can click on the following link (or paste it into a browser address bar) toaccess XCMS Online:http://xcmsonline.scripps.eduYou will need to register with XCMS Online to use the system and the softwareis currently in beta version but works quite well.Please direct any questions regarding this e-mail to xcmsonline scripps.edu.