A metal-organic coordination polymer [Zn2.5(phen)(BDC)2(OH)]2 (phen = 1,10- phenanthroline, BDC = benzene-1,4-dicarboxylic acid) 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses and IR spectroscopy. The complex ...
H2BDC-OH MFCD09835368 [MDL number] Unverified 2,5-Dicarboxyphenol 2-hydroxy terephthalic acid 2-hydroxy- 2-Hydroxy-terephthalic acid 2-Hydroxybenzene-1,4-dicarboxylic acid, 2,5-Dicarboxyphenol 2-Hydroxybenzene-1,4-dicarboxylic acid; 2,5-Dicarboxyphenol ...
很明显,与Pt/CeO2-600相比,Pt/CeO2-270的C=O强特征峰下降得更快,而C-OH(1078 cm-1)在持续流入的氢气中增加得更快,表明在最初的10分钟内Pt/CeO2-270的催化活性更高。这种趋势也反映在峰值强度随时间变化的三维图上,其中的...
bdc是什么意思 Bottom-Dead-Center(bdc)下止点,发动机中的活塞顶离曲轴中心最近处,即活塞最低位置。 活塞的上止点是指活塞离曲轴回转中心最远处,通常指活塞上行到最高位置,简称TDC;下止点是指活塞离曲轴回转中心最近处,通常指活塞下行到最低位置,简称BDC;活塞行程是指活塞在上下两个止点间(即上止点和下止点)...
优势产品 GDRM35-133b-2优势产品 HMG 01 0-1999mbar优势产品 K2010500030S 0705169优势产品 KRX5-P-V-01优势产品 ACC18B-1-3 B/0优势产品 03-0422-01-02优势产品 WED2-4L1505R24/OH优势产品 THY11220261410/2844641/1132优势产品 WED2-6P100E24/0HN优势产品 8.5020.8551.1024优势产品 SIRA 00ATEX2076X...
Nanocomposites of metal–organic frameworks (MOFs) with metal hydroxide provide an effective approach to improve the ability of energy storage. Solvothermally prepared sheet-like Ni-BDC integrated with agglomerated β-Ni(OH) 2 particles through a simple slow evaporation process in a water solvent syste...
Abstract Herein, we describe the photochemical behavior of the porous metal-organic framework MIL-125(Ti)-NH(2) , built up from cyclic Ti(8) O(8) (OH)(4) oxoclusters and 2-aminoterephthalate ligands. While MIL-125(Ti)-NH(2) does not emit upon excitation at 420 nm, laser flash ph...
【解析】【答案】ACD5AD⊥AN【解析】∠BAC=∠BDC=90°,∠ABD+∠AOB=90°,∠ACD+∠COD=90°,∠AOB=∠COD,∠ABD=∠ACD.故答案为ACD.作DH⊥OC于H.DA∠BAO=∠DHO,OH=90°BC∠AOB=∠DOH,OB=OD,△BAO△DHO,AB=DH,设OD=OB=a,则BD=CD=2a,OC=√5a,DH=(OD⋅DC)/(OC) C(2√5)/5 5CO ...
已知tan∠ABD=22tan∠ABD=(√2)/2,所以tan∠ACD=22tan∠ACD=(√2)/2。在Rt△DCHRt△DCH中,tan∠ACD=DHCHtan∠ACD=CHDH,即(DH)/(2√2)=(√2)/2,解得DH=22×22=2DH=(√2)/2*2√2=20设OA=OD=rOA=OD=r,则OH=r−2OH=r−2。在Rt△AOHRt△AOH中,根据勾股定理AO2=OH...
US18-PA-5-NO3-OH 上海航欧优势产品 BEI-59NA1FF6ZC1S3F 上海航欧优势产品 BE1-CDS220-EOENOZY1YOV 上海航欧优势产品 MCPC2450C 上海航欧优势产品 MCPC4850C 上海航欧优势产品 PLB10K 上海航欧优势产品 MIL20SS-F0300 上海航欧优势产品 MIL10SS-F0200 上海航欧优势产品 C4D17FK64A 上海航欧优势产品...