scholarly journals Synthesis of 5-(4-bromobutyl)-2,3-dimethyl-1,4-benzoquinone and the Solubility Test in n-Octanol/Water Partition System

Author(s):  
Nadiyah Zuhroh ◽  
Siti Mariyah Ulfa
2005 ◽  
Vol 15 (3) ◽  
pp. 551-557 ◽  
Author(s):  
Humberto González-Díaz ◽  
Guillermin Agüero ◽  
Miguel A. Cabrera ◽  
Reinaldo Molina ◽  
Lourdes Santana ◽  
...  

2011 ◽  
Vol 45 (5) ◽  
pp. 419-428 ◽  
Author(s):  
R. P. Borges ◽  
M. D. Sousa-Neto ◽  
M. A. Versiani ◽  
F. A. Rached-Júnior ◽  
G. De-Deus ◽  
...  

2021 ◽  
Vol 15 (04) ◽  
pp. 513-537
Author(s):  
Marcel Tiator ◽  
Anna Maria Kerkmann ◽  
Christian Geiger ◽  
Paul Grimm

The creation of interactive virtual reality (VR) applications from 3D scanned content usually includes a lot of manual and repetitive work. Our research aim is to develop agents that recognize objects to enhance the creation of interactive VR applications. We trained partition agents in our superpoint growing environment that we extended with an expert function. This expert function solves the sparse reward signal problem of the previous approaches and enables to use a variant of imitation learning and deep reinforcement learning with dense feedback. Additionally, the function allows to calculate a performance metric for the degree of imitation for different partitions. Furthermore, we introduce an environment to optimize the superpoint generation. We trained our agents with 1182 scenes of the ScanNet data set. More specifically, we trained different neural network architectures with 1170 scenes and tested their performance with 12 scenes. Our intermediate results are promising such that our partition system might be able to assist the VR application development from 3D scanned content in near future.


2013 ◽  
Vol 12 (3) ◽  
pp. 007-012
Author(s):  
Andrzej Chądzyński ◽  
Marek Piróg

Properly designed and implemented specialized storage objects guarantee specialist storing of the discussed group of agricultural products. They make independent the whole process of  storage, improving and the trade of goods from conditions of the outside climate. Storage spaces and cold stores are currently a highly specialized group of objects of the food industry infrastructure. The program of the designed object  constitutes the basis for the forming of its functional arrangement and the form of the object. In the storage building it is subordinate to the technology and the functional and spatial arrangement of the building follows the arrangement of the technological thrust. The object being a casing of the technological process of storing should form a possibly closed and tight microclimatic space and the building partition system along with an air-conditioning units should enable to keep adequate parameters of the interior microclimate on a particular level. The factors of the microclimate influencing the storage conditions are: temperature, relative humidity of air, gas composition of the atmosphere surrounding agricultural products and the air movement in the storage space.


1979 ◽  
Vol 9 (2) ◽  
pp. 290-291
Author(s):  
Patrick R. Murray

A modified bile solubility test is described which can be used to presumptively identify Streptococcus pneumoniae recovered in blood culture.


2021 ◽  
Author(s):  
Federico Peralta Samaniego ◽  
Sergio Toral Marín ◽  
Daniel Gutierrez Reina

<div>Bayesian optimization is a popular sequential decision strategy that can be used for environmental monitoring. In this work, we propose an efficient multi-Autonomous Surface Vehicle system capable of monitoring the Ypacarai Lake (San Bernardino, Paraguay) (60 km<sup>2</sup>) using the Bayesian optimization approach with a Voronoi Partition system. The system manages to quickly approximate the real unknown distribution map of a water quality parameter using Gaussian Processes as surrogate models. Furthermore, to select new water quality measurement locations, an acquisition function adapted to vehicle energy constraints is used. Moreover, a Voronoi Partition system helps to distributing the workload with all the available vehicles, so that robustness and scalability is assured. For evaluation purposes, we use both the mean squared error and computational efficiency. The results showed that our method manages to efficiently monitor the Ypacarai Lake, and also provides confident approximate models of water quality parameters. It has been observed that, for every vehicle, the resulting surrogate model improves by 38%.</div>


1971 ◽  
Vol 17 (11) ◽  
pp. 1081-1082 ◽  
Author(s):  
Jean E Matusik ◽  
James B Powell ◽  
David M Gregory

Abstract We have devised a rapid screening test for use in detecting sickling hemoglobins. This test depends on the insolubility of sickling hemoglobins in 2.24 molar phosphate buffer. Sickling hemoglobins form a turbid suspension in this test, in which positive and negative results, respectively, appear very much like those for the "Sickledex" test.


1972 ◽  
Vol 55 (1) ◽  
pp. 173-176
Author(s):  
Edward Smith ◽  
Eric B Sheixix ◽  
Joseph Levixe

Abstract The current AOAC method for the determination of morphine in opium, 36.031–36.035, utilizes a 3-column partition chromatographic system for the isolation of morphine, with spectrophotometric measurement of the product. The same partition system has been modified to accommodate a larger sample size to permit a gravimetric measurement of the isolated morphine as its dinitrophenyl ether. The gravimetric procedure yields values comparable to those obtained by the much shorter and simpler UV method.


Sign in / Sign up

Export Citation Format

Share Document