A Study of the Algae of Cheyenne Bottoms Wildlife Refuge

The purpose of this study was to classify and describe some of the algae of Cheyenne Bottoms Wildlife Refuge, Barton County, Kansas. The general geographic location is southeast of Hoisington, Kansas. A natural basin has been converted by dikes to control depth and distribution of water in the area. Collections were made along the inlet canal and at the diversion dam on the Arkansas River. Taxonomic descriptions of 63 species and photographs of many are included. Species of algae present in large quantity were preserved and labeled. These specimens were placed in the herbarium collection of Henry J. McFarland (Assistant Professor of Biology, Fort Hays Kansas State College). Methods and materials include photomicrographs made with equipment using a Photomicrographic American Optical 35 mm. camera and Kodachrome film. Black and white prints were made from the 2”x 2” color transparencies. Occasional stains of iodine and gentian violet were used to stop movement of specimens or to show gelatinous sheaths. A taxonomic description and a list of publications used for identification of each species found at Cheyenne Bottoms precedes the photographs. Classification of the algae is according to Smith (1950). The 63 species identified represented 4 divisions, 6 classes, 14 orders, 25 families and 39 genera

An Albino Muskox near the Atkinson Point River, Northwest Territories

Gavin during his stay near the mouth of the Perry River (67°48'N, 102°16'W) from 1937-1941 reported only few muskoxen. The largest herds were 12 and 15, seen in 1938 on the mainland a few miles west of the mouth of the Perry River. Aleksiuk saw no muskoxen during his period of field work in the Perry River area from 21 May to 10 August 1963 but reported that, according to local Eskimos, muskoxen were still found in the region of MacAlpine Lake, at the headwaters of Perry River. During waterfowl surveys on 11, 15, and 16 August 1971, between Perry River and the Atkinson Point River (103°18'W) and between 67°10'N and 67°45'N we saw the following numbers of muskoxen: 1, 26, 48, 1, 1, 23, 16, 1, 1. Dates of observation of herds, their location and numbers of yearlings preclude the possibility of duplication. Of particular interest was the occurrence of a light-coloured individual in the herd of 23 observed on 15 August along the Atkinson Point River at 67°45'N, 103°18'W. The animal in question was a large adult of a pale creamy-yellow colour. Photographs taken at the time show the animal to be accompanied by a yearling of normal colouration. At first the pale-coloured individual was thought to be a bull but the persistent proximity of the yearling and the adult's behaviour in running at the forefront of the herd when chased (in opposition to bulls which normally follow the herd) suggested that the muskox in question was a cow.... We were unable to get a good look at the cow's horns but they appeared paler than in muskoxen having the typical pelage; just then we had run into low cloud and rain and were in fact retreating to our camp on the Perry River. Only one albino muskox has been recorded previously. Tener quotes McDougall's observation of an adult albino cow muskox on 18 June 1853 at Cape Smyth, Melville Island. That cow was followed by a black calf

Algebraic construction of a Nambu bracket for the two-dimensional vorticity equation

So far fluid mechanical Nambu brackets have mainly been given on an intuitive basis. Alternatively an algorithmic construction of such a bracket for the two-dimensional vorticity equation is presented here. Starting from the Lie--Poisson form and its algebraic properties it is shown how the Nambu representation can be explicitly constructed as the continuum limit from the structure preserving Zeitlin discretization

Application of virtual reality technology in simulation of automated workplaces

S pojavom visoko razlučive grafike, brzog računanja, te dobre interakcije uređaja s korisnikom, tehnologija virtualne stvarnosti (VS) u posljednjih nekoliko godina je jedna od glavnih tehnologija. Važan koncept koji predstavlja VS je sustav predočavanja, koji se odnosi na osjećaj potpune uronjenosti u trodimenzijskom računalno generiranom okruženju, pomoću koje se iz korisničke perspektive uvelike olakšava praćenje. Glavna prednost korištenja virtualne stvarnosti očituje se kao mogućnost stvaranja i simuliranja novih tehnoloških jedinica prije njihove realizacije. Ovo može doprinijeti povećanju sigurnosti, povećanju ergonomije i smanjenju troškova. Virtualni model radnog mjesta mogao bi otkriti skrivene pogreške koje se eliminiraju, a koje bi u kasnijoj fazi na tom radnom mjestu mogle uzrokovati velike poteškoće.With the advent of high-resolution graphics, high-speed computing, and user interaction devices, virtual reality (VR) has emerged as a major new technol­ogy in recent years. An important new concept introduced by many VR sys­tems is immersion, which refers to the feeling of complete immersion in a three-dimensional computer-generated environment by means of user-cen­tered perspective achieved through tracking the user. Main advantage of virtual reality application usage is the possibility of creation and simulation of new technological unit before its realization. This may contribute to increasing of safety and ergonomics and decreasing of economical aspects of new proposed unit. Virtual model of proposed workcell could reveal hidden errors whose elimination in later stage of the new workcell creation should cause great difficulties

A Preliminary Survey of the Algae of Cheyenne Bottoms in Kansas

The purpose of this study was to classify and describe some of the algae of Cheyenne Bottoms Wildlife Refuge, Barton County, Kansas. The general geographic location is northeast of Great Bend, Kansas. A natural basin has been converted by dikes into a group of pools. The study was made over a two year period starting in May, 1960.https://scholars.fhsu.edu/fort_hays_studies_series/1057/thumbnail.jp

Building Protein Domain Based Composite Biobricks for Mammalian Expression Systems

The purpose of this RFC is to describe a method that allows the design of protein domain based parts, starting with gene centered information and translate these informations into BBF RFC 25 compatible part. The method is designed to be used in mammalian expression systems