Materials Literature
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In the title salt, C(20)H(20)N(6) (2+)·2ClO(4) (-), the cation is disposed about a center of symmetry at the mid-point of the N=N bond. The 1,8-naphthyridine systems are planar and the ten atoms have a mean deviation of 0.01 Å from the least-squares plane. The two planar 1,8-naphthyridine units are parallel but extend…
In the title compound, C(27)H(20)F(6)N(2)O(2), the dihedral angles between the planes of the aromatic rings connected by the ether O atoms are 84.13 (8) and 75.06 (9)°. The crystal structure is stabilized by N-H⋯O and N-H⋯F hydrogen bonds.
Procollagen prolyl-4-hydroxylase (P4H) catalyzes the conversion of peptidyl proline to trans-4-hydroxyproline (Hyp). P4H is a member of the alpha-ketoglutarate-dependent mononuclear non-heme iron oxygenase (alphaKG/Fe(II)-oxygenase) family of enzymes, which catalyze a wide variety of reactions. The genome of Bacillus…
Abstract Singlet–triplet dual emission has been achieved in single molecules containing triarylboron and N‐(2′‐pyridyl)‐7‐azaindole chromophores. The structure of a Pt(II) complex and its dual emission spectrum are depicted in the cover picture. In their Full Paper on page 6131 ff., S. Wang et al. demonstrate that met…
Remove the slash in (2.3) as follows: Square terms in (3.5) as follows: Include zero in the lower limits in (3.7) and multiply the right hand side by 21/2−m as follows: As a further optimization, the inner summation in (3.20) can be performed analytically, see section III.D of a preprint 2.
The optical microscope operation is limited with illumination distribution detecting on the object surface in reflective regime and absorption object parameters detecting in transparent regime. The functions are increased by observation the objects in polarizing light. The inside tension and optical activity in transp…
Abstract Two dioxotetraza macrocycles 9,12,16,19‐tetraazatricyclo[19.4.0.02,7]pentacosa‐1(21),2,4,6,22,24‐hexaene‐8,20‐dione(L1) and 9,13,16,20‐tetraazatricyclo[20.4.0.02,7]hexacosa‐1(22),2,4,6,23,25‐hexaene‐8,21‐dione (L2) and two bis(dioxotetraaza) macrocycles 7,10,14,17,25,28,32,35‐octaazatetracyclo[17.17.2.05,37.0…
Both mol-ecules of the title compound, [Ni(C(2)O(4))(C(16)H(36)N(4))]·C(2)H(2)O(4), are located on a crystallographic twofold rotation axis. The Ni(II) atom shows a distorted octa-hedral geometry. The crystal packing is stabilized by N-H⋯O and O-H⋯O hydrogen bonds.
In the title compound, [Cu(C(17)H(30)N(2)O(2))(C(3)H(7)NO)(2)][SbF(6)](2), which is a potential catalyst in the asymmetric Gosteli-Claisen rearrangement, the Cu atom adopts a distorted cis-CuN(2)O(2) square-planar geometry arising from N,N'-bidentate coordin-ation by the chiral ligand and two O-bonded dimethyl-formami…
The title trinuclear complex, [Ni(3)(C(9)H(7)N(2)O(4))(2)(C(5)H(5)N)(8)], possesses a crystallographically imposed center of symmetry occupied by one Ni(II) ion. Each of the three Ni(II) ions is coordinated by two O and four N atoms, respectively, in a distorted octa-hedral geometry. In the crystal, weak inter-molecul…
Abstract Mittels hydrodynamisch erzeugter Kavitation in einer Düsenströmung lässt sich ein implodierendes Kavitationsfeld erzeugen, in dem diverse Inhaltsstoffe durch Radikalreaktionen chemisch modifiziert und schließlich bis zu CO2 und H2O oxidiert werden. Durch geeignete Wahl der Düse in Kombination mit geringen Umg…
A polemic is given in response to the recently published paper of Zhao and co-workers [ J. Chem. Eng. Data 2008, 53, 1367−1370].
In the title compound, C(16)H(16)BrN, the benzene rings are inclined to each other with a dihedral angle between their mean planes of 50.5 (3)° and the C=C bond adopts a cis conformation.
Multicomponent liquid-phase adsorption of C 13 paraffins (mainly monomethyldodecanes and tridecane) onto a fixed bed of H-ZSM-5 (Si/Al = 200) has been studied (428 K and 21 barg), obtaining complete breakthrough curves for all the solutes, in order to ensure that equilibrium between the liquid feed and the adsorbent w…
Three soil tests: Mehlich-1, mixed cation-anion exchange resins with HCO3 as anion, and iron oxide impregnated filter paper (Pi strip), were used to assess available P in a highly weathered tropical Oxisol which received rates of 0, 2.5, 12.5, 25, 50 and 75 g kg-1 of phosphogypsum, natural gypsum (gipsite) or pure gyp…
The current controversies about the existence of an intermediate 'beta' phase of BiFeO_3 and the high temperature paraelectric 'gamma' phase are resolved by studying the sequence of ferroic transitions in 0.8BiFeO_3-0.2Pb(Fe_1/2Nb_1/2)O_3 (BF-0.2PFN) with lowered transition temperature. It is shown that the room tempe…
The H1700 Package is based on the DOE-EM Certified 9977 Packaging. The H1700 will be certified by the Packaging Certification Division of the National Nuclear Security Administration for the shipment of plutonium by air by the United Stated Military both within the United States and internationally. The H1700 is desig…
ABST R AC T Two simple yet powerful techniques used within a new model-based methodology for integrated process design and control (IPDC) to determine optimal design decisions are presented. These are attainable region (AR) and driving force (DF) techniques whose concepts are used to nd the optimal design targets as a…
Fiskeoppdrett er i dag en av Norges største og viktigste eksportnæringer. Dette er en suksesshistorie som ikke ville vært mulig uten vaksiner. Etter gjennombruddet med utviklingen av velfungerende vaksiner mot sentrale sykdommer på 80- og 90- tallet har ekspansjonen i næringen vært enorm og det sjøsettes i dag over 20…
The effect of pressure on the crystal structure of white phosphorus has been studied up to 22.4 GPa. The {alpha} phase was found to transform into the {alpha}' phase at 0.87 {+-} 0.04 GPa with a volume change of 0.1 {+-} 0.3 cc/mol. A fit of a second order Birch-Murghanan equation to the data gave Vo = 16.94 {+-} 0.08…