نتایج جستجو برای: unsymmetrical

تعداد نتایج: 1532  

Journal: :Bioorganic & medicinal chemistry letters 2014
Bo Zhong Rati Lama Wannarasmi Ketchart Monica M Montano Bin Su

The potency of a series of Hexamethylene bis-acetamide (HMBA) derivatives inducing Hexamethylene bis-acetamide inducible protein 1 (HEXIM1) was determined in LNCaP prostate cancer cells. Several compounds with unsymmetrical structures showed significantly improved activity. Distinct from HMBA, these analogs have increased hydrophobicity and can improve the short half-life of HMBA, which is one ...

Journal: :Indonesian Journal of Electrical Engineering and Computer Science 2022

One of the major problems in direct power-controlled grid-connected voltage source converters is that during dips, converter current increases to compensate for reduced grid voltage. The most common dips are unsymmetrical, and they cause unbalance distortion current. This paper introduces a new, simple but effective algorithm which limits dips. A positive-sequence virtual-flux based control sch...

2016
Richard J. Mandle John W. Goodby

We prepared a significant number of unsymmetrical liquid-crystalline dimers that exhibit the twist-bend nematic phase; a state of matter that exhibits spontaneous breaking of mirror symmetry and, for some materials, a microsecond electrooptic response. A number of novel unsymmetrical bimesogens were synthesized and in comparing their thermal behaviour to previous literature examples, we have un...

Alireza Akbarzadeh, Hadi Kalani

This paper starts with developing kinematic and dynamic model of a snake shape robot in serpentine locomotion and finishes with actual experimentation. At the beginning the symmetrical and unsymmetrical serpenoid curves are introduced. Kinematics and dynamics of a snake robot on flat and inclined surfaces are obtained for a general n-link robot. SimMechanics toolbox of MATLAB software is employ...

Journal: :Chemical communications 2015
Nuria Miralles Jessica Cid Ana B Cuenca Jorge J Carbó Elena Fernández

Experimental and theoretical rationalization on regioselective mixed diboration of alkenes, with the unsymmetrical diboron reagent Bpin-Bdan, providing the protecting Bdan moiety in the internal position.

2005
Ali Morsali

1:1 and 1:2 lead(II) complexes with 2,9-dimethyl-1,10-phenanthroline (Dmphen), {[Pb(Dmphen)(NO3)n] and [Pb(Dmphen)2(ClO4)2]} have been synthesized and characterized by CHN elemental analysis, IR, 1H NMR, 13C NMR and 207Pb NMR spectroscopy. The structure of these complexes was confirmed by X-ray crystallography. The single crystal X-ray data of [Pb(Dmphen)(NO3)n] show the complex to be polymeric...

Journal: :Journal of the Society of Naval Architects of Japan 1983

Journal: :Journal of the American Chemical Society 1934

Journal: :Organic & biomolecular chemistry 2009
Maria Lopalco Eftychia N Koini Jin Ku Cho Mark Bradley

Unsymmetrical functionalised cyanine dyes, covering the whole colour range, were readily synthesised (in 100 mg amounts) by a combination of microwave and solid-phase methodologies.

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