Butler, A

REACTION OF 4-METHYL- 1 2,4-TRIAZOLINE- 3,5-DIONE WITH DI AND TRI-SUBSTITUTED STYRENES S.E. Mallakpour* and G.B. Butler**

2,4,6-Triisopropylstryrene was synthesized in a single step via the Witting Reaction from the corresponding aldehyde. The reaction of three styrene's derivatives, 2,6-dimethylstyrene, 2,4,6-trimethylstyrene, and 2,4,6- triisopropylstyrene with 4-methyl-l,2,4-triazoline-3,5-dion(M eTD) was investigated. These reactions are instantaneous at room temperature and lead to the formation of 2: 1 ...

Needed: Global Collaboration for Comparative Research on Cities and Health

Over half of the world’s population lives in cities and United Nations (UN) demographers project an increase of 2.5 billion more urban dwellers by 2050. Yet there is too little systematic comparative research on the practice of urban health policy and management (HPAM), particularly in the megacities of middle-income and developing nations. We make a case for creating a global database on citie...

of Insurance Regulation Published by the National Association of Insurance Commissioners Insurance Department ‘ Catch - 22 ’ Shields Auto Insurers From Consumer Chalilenges Pa trick Butler Twin Butler

Smart Antenna Beamforming Network

Smart Antenna with RF beamforming capability can greatly improve the performance of the vehicle communication system by providing better link quality and high immunity to interference. Butler Matrix is a well-known beamforming network. It can be used for multibeam antennas. The Butler Matrix increases the system capacity and provides higher signal to interference ratio, consequently enhancing t...

The effect of Corrective Feedback (Written and Verbal) teachers in the Formative Evaluation On the amount of Emotional Excitement (emotions related to learning and emotions related to the lesson) male students

Abstract: Introduction: The system of education, like other systems, has its own principles and characteristics. One of the essential features of this evaluation is the provision of useful feedback, through which one can identify important educational goals and, among other things, examine the important needs for language learning. The aim of this study was to investigate the effect of fe...

The Effect of Corrective Feedback (Written and Verbal) of Teachers in the Formative Evaluation of the Learning Love in First grade Male Students in the Ninth Grade of English language Learning

Introduction: The aim of this study was to investigate the effect of corrective feedback (written and verbal) of teachers in a formative evaluation of the learning love of first grade male students in the nith grade in Alashtar city, Iran. Methods: This study was a quasi-experimental study in which the pretest-posttest control group was used. The sample consisted of 40 subjects selected by mult...