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selective reduction

NaBH4/Na2C2O4/H2O: An efficient System for Selective Reduction of Aldehydes in the presence of Ketones

NaBH4/Na2C2O4/H2O: An efficient System for Selective Reduction of Aldehydes in the presence of Ketones

... Selective reduction of a variety of aldehydes (1 equivalents) in the presence of ketones to their corresponding alcohols has been carried out by NaBH 4 ...

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Selective reduction of a triplet heterotopic cervical pregnancy after embryo transfer

Selective reduction of a triplet heterotopic cervical pregnancy after embryo transfer

... the selective reduction by the fetal heart as- piration technique, but Sijanovic et ...tried selective Methotrexate injection, and had a good result ...

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Ultrasonic-Promoted Selective Reduction of Aldehydes vs. ketones by NaBH4/PhCO2Na/H2O

Ultrasonic-Promoted Selective Reduction of Aldehydes vs. ketones by NaBH4/PhCO2Na/H2O

... In this study, we have investigated the selective reduction of aldehydes vs. ketones by NaBH 4 /PhCO 2 Na/H 2 O system under ultrasound irradiation. NaBH 4 (1.25 equivalents) and PhCO 2 Na (2 equivalents) ...

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Separation of Nickel and Cobalt Utilizing Selective Reduction of Nickel in Acidic Aqueous Solution

Separation of Nickel and Cobalt Utilizing Selective Reduction of Nickel in Acidic Aqueous Solution

... the reduction rate between Ni and Co in acidic solution and this difference resulted in the selective reduction of ...(Ni_Co_01), reduction of some Co ions was also observed from the ...

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Selective reduction in ring size of silsesquioxane oligomers mediated by potassium metal

Selective reduction in ring size of silsesquioxane oligomers mediated by potassium metal

... data reduction: DENZO and COLLECT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1990); program(s) used to re®ne structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 1997); ...

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Successful selective reduction of a heterotopic cesarean scar pregnancy in the second trimester: a case report and review of the literature

Successful selective reduction of a heterotopic cesarean scar pregnancy in the second trimester: a case report and review of the literature

... fetal reduction by potassium chloride, laparoscopic exci- sion, aspiration of embryonic or ectopic gestational sac, hysteroscopy with directed evacuation, injection of a mixture of MTX and KCl, or laparotomic ...

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Phase Transfer Catalyzed Selective Reduction of
Bifunctional Moieties

Phase Transfer Catalyzed Selective Reduction of Bifunctional Moieties

... The transformation of starting material into desired final products usually required a number of chemical operations in which additional reagents, catalysts, solvents were used. The development of cleaner and safe ...

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Stereo-Selective Bio-Reduction Of Acetophenone And Its Derivatives By Soil Fungal Isolates

Stereo-Selective Bio-Reduction Of Acetophenone And Its Derivatives By Soil Fungal Isolates

... asymmetric reduction of acetophenone and its derivatives reported using free enzymes, resting cells and not in fermentation mode (Nakamura et ...cell reduction during fermentation is considered better than ...

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Homocysteine induced modulation of tissue plasminogen activator binding to its endothelial cell membrane receptor

Homocysteine induced modulation of tissue plasminogen activator binding to its endothelial cell membrane receptor

... fibrinolytic activity, these cells synthesize and secrete tissue plasminogen activator (t-PA) as well as its physiologic inhibitor, plasminogen activator inhibitor-1. In addition, endothelial cells support ...

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Improved Automotive CAN Protocol Based on Payload Reduction and Selective Bit Stuffing

Improved Automotive CAN Protocol Based on Payload Reduction and Selective Bit Stuffing

... The computational power of the microprocessor and microcontroller keeps on increasing along with the demand of sophisticated vehicle electronics. The complexity of automobile electronics has now become much more ...

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Study on the mixing performance of static mixers in selective catalytic reduction (SCR) systems

Study on the mixing performance of static mixers in selective catalytic reduction (SCR) systems

... Selective catalytic reduction (SCR) system is a promising technique for reducing nitrogen oxides (NOx) emissions from diesel engines. Static mixers are widely used in SCR systems before reactors to promote ...

8

REDUCTION OF DEFECTS IN SELECTIVE SOLDERING PROCESSES

REDUCTION OF DEFECTS IN SELECTIVE SOLDERING PROCESSES

... Selective soldering process is one of the most complex processes to keep in control in the fabrication of Printed Circuit Boards (PCB). Main reason of this complexity is the number of control variables that ...

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Reduction in cancer risk by selective and nonselective cyclooxygenase-2 (COX-2) inhibitors

Reduction in cancer risk by selective and nonselective cyclooxygenase-2 (COX-2) inhibitors

... of selective coxibs produced significant reductions in the risk of the four major human cancers (breast, prostate, colon, and ...for selective COX-2 blockade in cancer ...

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Potential drug therapies for the treatment of fibromyalgia

Potential drug therapies for the treatment of fibromyalgia

... Advances in the understanding of the pathophysiology of FM has started to provide clues to the underlying mechanisms offering potential targets for new medications (Figure 1). Pharmacological treatment focused to the ...

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SELECTIVE CATALYTIC REDUCTION OF NO BYC3H6 OVER A COMMERCIAL AUTOMOTIVE IRIDIUM BASED CATALYST

SELECTIVE CATALYTIC REDUCTION OF NO BYC3H6 OVER A COMMERCIAL AUTOMOTIVE IRIDIUM BASED CATALYST

... increased during the heating-up temperature. During the cooling-down temperature, the behaviour of the solid was analogue to the aged sample which was not contacted with hydrogen at 300°C. It can be concluded form these ...

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Selective catalytic reduction of NO with NH3 on stannic and iron bimetal oxides/attapulgite catalysts

Selective catalytic reduction of NO with NH3 on stannic and iron bimetal oxides/attapulgite catalysts

... However, when the molar ratio of Sn/Fe is up to 2/3, SnO2 will be possible to cover the so small active metal γ-Fe2O3 it is hard to find γ-Fe2O3 diffraction peaks in XRD patterns of Fig.[r] ...

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Reduction of Harmonic in a Multilevel Inverter Using Optimized Selective Harmonic Elimination Approach

Reduction of Harmonic in a Multilevel Inverter Using Optimized Selective Harmonic Elimination Approach

... To control the output voltage and to eliminate certain lower order harmonics in a multilevel inerter with equal dc sources, various control techniques are investigated such as Selective Harmonic Elimination (SHE), ...

5

Selective Weighting of Undecimated Wavelet Coefficients for Noise Reduction in SAR Interferograms

Selective Weighting of Undecimated Wavelet Coefficients for Noise Reduction in SAR Interferograms

... domain approach to this problem. Recent techniques also use the wavelet transform [5] and fuzzy logic [6] in order to achieve the desired noise reduction in InSAR images. Work has also been done by the authors on ...

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Monitoring of Basic Parameters for Selective Catalytic Reduction System Used in an Agricultural Tractor

Monitoring of Basic Parameters for Selective Catalytic Reduction System Used in an Agricultural Tractor

... disadvantages in the use of reducing agent and the necessity of suitable operating conditions to achieve optimum effi ciency of the catalytic converter. This paper aims to predict consumption of AdBlue depending on the ...

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Investigation on the effect of ammonia distribution on selective catalytic reduction conversion efficiency

Investigation on the effect of ammonia distribution on selective catalytic reduction conversion efficiency

... of selective cata- lytic reduction system approaches the maximum when the length of pipeline is extended to ...of selective catalytic reduction systems fixing with different static mixers is ...

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