2,090 research outputs found
Keys to the larvae of the species of the genera Diamesa, Eukiefferiella, Orthocladius, Cricotopus, Psectrocladius and Chaetocladius. [Translation from: Larvae and pupae of midges of the subfamily Orthocladiinae of the fauna of the USSR (Diptera, Chironomidae = Tendipedidae) (ed. V.Y. Pankratova) p76-8,151-152,173-174,188-189. Leningrad, Nauka, 1970. ]
Eudiaptomus vulgaris Schmeil is the most abundant copepod in Lake Maggiore and forms also, in respect to other entomostraca, the most important element, through its average biomass and because it is fairly numerous throughout the year. Plankton samples collected in a systematic and quantitative way, gave the opportunity to study some aspects of the dynamics of the population of this copepod, in safety in view of the uncertainty which in this kind of study can ensue when samples are taken only at a single station - in consequence of the changes in size of population between different water masses. The results of the biometrical observations are of the population of Eudiaptomus vulgaris is presented
Key to the larvae of the genera of the sub-family Orthocladiinae from Larvae and Pupae of midges of the sub-family Orthocladiinae of the fauna of the USSR. [Translation from: Larvae and pupae of midges of the subfamily Orthocladiinae of the fauna of the USSR (Diptera, Chironomidae = Tendipedidae) (ed. Pankratova V.Ya.), 51-55. Leningrad, Nauka, 1970. ]
A key to the larvae of the genera of the sub-family Orthocladiinae from Larvae and Pupae of midges of the sub-family Orthocladiinae. Parts of the key refer to the rest of the publication which is not included in this partial translation
Комментарий к статье «Классификации дефектов вертлужной впадины: дают ли они объективную картину сложности ревизионного эндопротезирования тазобедренного сустава? (критический обзор литературы и собственных наблюдений)»
.Комментарий к статье: Тихилов Р.М., Шубняков И.И., Денисов А.о. Классификации дефектов вертлужной впадины: дают ли они объективную картину сложности ревизионного эндопротезирования тазобедренного сустава? (критический обзор литературы и собственных наблюдений). Травматология и ортопедия России. 2019;25(1): 122-141. Doi: 10.21823/2311-2905-2019-25-1-122-141
On the Problem of Designing Matrix Generators
One of the main difficulties which arises when using a general purpose linear programming (LP) package is the need to prepare a special code to transform initially structured model data into a format appropriate for subsequent use by an LP solution system (for example, at IIASA we require an MPS-type input file for use with the MINOS LP system). These codes are usually in general purpose programming languages, are often rather complex, and are generally quite difficult to implement. There is a lack of advanced software capable of simplifying the preparation of information in the form required by the LP package, and this is a problem especially for those who use linear models in the solution of a wide variety of applied problems. In such cases it is highly desirable to have a flexible and convenient interface between user and LP software.
Here we describe a tool which saves time for the analyst by making it possible to organize investigations with linear models in an interactive manner
Matrix structure and loss-resilient encoding/decoding
AbstractThe known deterministic algorithms for loss-resilient encoding/decoding involve computations with Cauchy matrices but only weakly exploit the matrix structure. We propose several modifications with more extensive use of the matrix structure to accelerate the computations substantially
Comparative analysis of exercise equipment jerk in weightlifting and weight sport
The approaches to the analysis of exercise equipment in weightlifting and weight sport. The method of photographic images and analysis videogram movement. Exercise performed once with the weights of 50, 65 and 75% of the maximum limit. Kettlebell snatch carried out using two dumbbells weighing 32 kg each. An improved technique spurt in which efficiency is the greatest. It is noted that under the dash with undergrowth performed the lead from the platform heels. This technique does not allow the movement of the full potential of the athlete. 'Technique of the jerk with full support legs for the entire period lifting a barbell. Found that it reduces the lift rod and provides the trajectory of the rod with the continuous growth to its final value
Windscreen wiper
Today both car drivers and car passengers cannot imagine this kind of vehicle without a windscreen wiper. There are only a few who know its history and evolution.
A windscreen wiper is a device used to remove rain and debris from a windscreen or windshield. A wiper generally consists of an arm, pivoting at one end and with a long rubber blade attached to the other. The blade is swung back and forth over the glass, pushing water from its surface
Нотатки про деякі ботанічні терміни
The terms “synantropic plants”, “adventios plants”, “weeds”, “sinanthropisation”, “adventisation” were analyzed. The structure of these terms is given. The position of the author about their use it is stated.Цілеспрямована та спонтанна інтродукція рослин спричинила появу низки нових термінів, які не завжди вдало використовуються. У зв’язку з цим розглянуто й проаналізовано терміни “синантропні рослини”, “бур’яни”, “синантропізація”, “адвентизація". Викладено позицію автора щодо їх використання
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