Cu(PPh3)Cl (27 mg, 0.075 mmol) was added into the reaction mixture resulting in a yellow-brown suspension. After stirring for 3 h, the mixture was centrifuged for 10 min at 8000 r/min. The supernatant was filtered through glass wool and transferred to a test tube, then ...
型号:HY-CL200+笔式余氯仪 检测项目:PH,余氯 类型:水质快速分析仪 测量范围:pH:(0~14.00)pH ORP:±999mV 余氯:(0.01~10.00)ppm 温度:(-5~ 90)℃ 测量精度:pH:±0.01pH ORP:±4mV 余氯:±10%读数 温度:±1℃ 电源电压:CR2032锂电池四颗(3V) ...
3 Green (RoHS & no Cl/Br): HYCON products are Green products that compliant with RoHS directive and are Halogen free (Br/Cl<0.1%) © 2009-2016 HYCON Technology Corp www.hycontek.com DS-HY3106-V07_EN Page 32 HY3106/HY3102 24-Bit Analog-to-Digital Converter High Resolution ΣΔADC ...
HY029N10P/Bwww.hymexa.comV1.11N-Channel Enhancement Mode MOSFETFeaturePin Description100V/270ARDS(ON)=2.6mΩ(typ.)@VGS = 10V Datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes
部件名HY19P03D 功能描述P-ChannelEnhancementModeMOSFET Download11 Pages Scroll/Zoom 100% 制造商HUAYI [HUAYI MICROELECTRONICS CO.,LTD.] 网页http://www.hymexa.com/ 标志 类似零件编号 - HY19P03D 制造商部件名数据表功能描述 HUAYI MICROELECTRONICS ...HY19P03B ...
2wBE11AUqZQHxEHjqxjzpgRJ713XpnZ2njsTNSyDCyVdCp3zUTqLW4laljbRhUpEhiUAotfcl+2W +xngpCHUclV6ArrK9aaVPtvZFNFFZ+sYeJQ6cmgWJFFm+4snXWc2pl07wwmwsEkYlwiIWRQY0T/h i15s0Z2Sce9wdi30K9HHJGWJyxldig7ZqgZ1ciXQOT0IuIqi3EA76l7qqq9ut98+7bSsZO5Fuuy7 GJrANcFyA/Rq5T2y7zyBqeUYwMNeajRFTtrMTmsTM...
主要用于生产塑料(如PVC)、合成纤维、染料、农药、消毒剂、漂白剂以及各种氯化物。 自然界中的氯多以Cl-离子的形式存在于矿物或海水中,也有少数氯以游离态存在于大气层中,不过此时的氯气受紫外线经常会分解成两个氯原子(自由基),氯气也是破坏臭氧层的主要单质之一。
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The bioassay-guided fractionation of the CH"2Cl"2 extract from the wood of Hyeronima oblonga (Euphorbiaceae) afforded two new alkaloids with a tetrahydroisoquinolinone nucleus described here for the first time. The compounds 3-methyl-4-methoxy-6-(1-oxoctyl)-5, 6, 7, 8-tetrahydro-1(2H)...
nmr: δppmDsO+NaHCOs 2.70 (2H, t, J=7.0 Hz, CH2), 4.24 (2H, t, J=7.0 Hz, CH2), 7.17 (1H, d, J=10.0 Hz, pyridazine-H), 7.70 (1H, d, J=10.0 Hz, pyridazine-H). Anal. Calc'd. for C8 H7 N4 O3 Cl: C, 39.60; H, 2.91; N, 23.09; Cl, 14.61. Found: C, 39.62...