Strain selection of Spirulina suitable for mass production

Hydrobiologia ◽  
1987 ◽  
Vol 151-152 (1) ◽  
pp. 75-77 ◽  
Author(s):  
Avigad Vonshak
1992 ◽  
Vol 58 (548) ◽  
pp. 1239-1244
Author(s):  
Kisaburo NAGANO ◽  
Masataka YONEKURA ◽  
Isao SAKURAGI
Keyword(s):  

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Fajar Septiawan Dwi Angoro ◽  
Aisyah Nur Khalifah ◽  
Syahrul Gunawan ◽  
Dandy Syah Putra ◽  
Fakhriyah Qothrun Nada ◽  
...  

Milling Machine And Cleaning Egg Cleaning Reballs Automatically Completed With The Screw Conveyor System And Auto Washer is made with the aim of increasing productivity and the effectiveness of the production of SME quail egg satay in Surabaya. Egg peeler This semi automatic quail is designed as simply as possible to make it easier mass production and easy maintenance. This machine is added screw conveyor system which is covered with sponge and machine walls, there is a polisher made from stainless which serves as a boiled egg quail peeler. The addition of an auto water washer on this machine uses a hose connected with a water tap to be able to clean automatically when the engine have started working on peeling boiled eggs. Material in direct contact with eggs using stainless steel type 430 SS foodgrade with 3mm thick to maintain the level of hygiene of the production process. Then the system the drive on this machine uses a DC electric motor with a power of ½ PK which transmitted by pulleys and V-belts to reduce input power to more smooth round. Selection of the ½ PK motor is intended for rotation in this engine can be smoother and softer, not too fast so the egg doesn't break. Dimension machine made measuring 110 cm x 65 cm x 52 cm with stripping capacity 1200 quail eggs / hour. Features that have this machine can improve the productivity process of SME quail eggs is threefold, so that the problem of SMEs is quail egg satay for stripping and cleaning the eggs takes a long time to complete.


Author(s):  
Marina Guseva ◽  
Elena Andreeva ◽  
Yulia Rogozhina ◽  
Anastasia Chistyakova
Keyword(s):  

Производство одежды для внутреннего и внешнего рынков – стратегически важная задача для государства. Цикличность экономических кризисов неблагоприятно сказывается на деятельности отечественных фабрик. Российской швейной продукции приходится конкурировать с импортными аналогами на фоне падения платежеспособности населения. По результатам исследования актуальной экономической ситуации в секторе производства одежды и организации на отечественных фирмах процесса подбора новых моделей к запуску выявлены преимущества и недостатки рассматриваемого этапа производственного цикла. Предложена новая структура базы данных предприятия, аккумулирующая в себе ряд аспектов, от которых зависит результативность этого процесса. Ключевые слова и словосочетания: конструктивно-технологический и композиционный анализ, модели-аналоги, конфекционирование одежды, потребительский спрос.


Author(s):  
Shoichi Horii ◽  
Yutaka Abe ◽  
Akiko Kaneko ◽  
Masahiro Suzuki ◽  
Yoshiyuki Kihara ◽  
...  

At present, several programs for mass production of MOX bulk are on going. The MOX bulk is the capacity of the container to be used to generate MOX fuel. One of them is the selection of the vessel configuration for efficient evaporation of large amount of solution. Two types of vessel as shallow and cylindrical, are under examinations. The shallow vessel has been successfully cleared examinations in moderate running with no flushing, but the amount of products per batch is rather small. On the other hand, the cylindrical vessel is newly proposed with the intent of increasing the production capacity per batch, but has flushing the solution from the top of the vessel by the Microwave Heating (MH). Elucidation on the mechanism of dynamic behavior of the flushing and spilling is our purpose of study. It was carried out by designing a equipment which imitated the practical setup for microwave heating. A visual observation was conducted to clarify the mechanism of dynamic behavior on the sudden nucleation of the solution in the deep cylindrical vessel under MH. The experiment was continued by changing the height and the shape in order to perform the effect evaluation of the size and the shape of vessel.


2021 ◽  
Vol 17 (7) ◽  
pp. e1009748
Author(s):  
Jifeng Bian ◽  
Sehun Kim ◽  
Sarah J. Kane ◽  
Jenna Crowell ◽  
Julianna L. Sun ◽  
...  

Prions are infectious proteins causing fatal, transmissible neurodegenerative diseases of animals and humans. Replication involves template-directed refolding of host encoded prion protein, PrPC, by its infectious conformation, PrPSc. Following its discovery in captive Colorado deer in 1967, uncontrollable contagious transmission of chronic wasting disease (CWD) led to an expanded geographic range in increasing numbers of free-ranging and captive North American (NA) cervids. Some five decades later, detection of PrPSc in free-ranging Norwegian (NO) reindeer and moose marked the first indication of CWD in Europe. To assess the properties of these emergent NO prions and compare them with NA CWD we used transgenic (Tg) and gene targeted (Gt) mice expressing PrP with glutamine (Q) or glutamate (E) at residue 226, a variation in wild type cervid PrP which influences prion strain selection in NA deer and elk. Transmissions of NO moose and reindeer prions to Tg and Gt mice recapitulated the characteristic features of CWD in natural hosts, revealing novel prion strains with disease kinetics, neuropathological profiles, and capacities to infect lymphoid tissues and cultured cells that were distinct from those causing NA CWD. In support of strain variation, PrPSc conformers comprising emergent NO moose and reindeer CWD were subject to selective effects imposed by variation at residue 226 that were different from those controlling established NA CWD. Transmission of particular NO moose CWD prions in mice expressing E at 226 resulted in selection of a kinetically optimized conformer, subsequent transmission of which revealed properties consistent with NA CWD. These findings illustrate the potential for adaptive selection of strain conformers with improved fitness during propagation of unstable NO prions. Their potential for contagious transmission has implications for risk analyses and management of emergent European CWD. Finally, we found that Gt mice expressing physiologically controlled PrP levels recapitulated the lymphotropic properties of naturally occurring CWD strains resulting in improved susceptibilities to emergent NO reindeer prions compared with over-expressing Tg counterparts. These findings underscore the refined advantages of Gt models for exploring the mechanisms and impacts of strain selection in peripheral compartments during natural prion transmission.


2021 ◽  
pp. 315-338
Author(s):  
Karl Kollmann ◽  
Calum E. Douglas ◽  
S. Can Gülen

There were a number of aircraft and engine manufacturers active in Germany in 1930s and 1940s. Some were quite well known, e.g., Messerschmitt (former Bayerische Flugzeugwerke), Focke-Wulf, Junkers, Dornier, etc. Some others were rather obscure, e.g., Hamburger Flugzeugbau, Klemmflugzeugbau, etc. The Reichsluftfahrtministerium (RLM) had a rather convoluted designation system (they thought that it was an improvement over the older one, of course) to provide a (supposedly) simple and unambiguous identification of every German civilian and military aircraft and its corresponding airframe design. Manufacturers were represented by two letters: the first letter in upper case, the second usually in lower case. A selection of the most famous ones is listed in Table 12-1. It should be noted that a mass-production model by a certain manufacturer, say, Messerschmitt Bf 109, were manufactured in the factories of other manufacturers (e.g., Fieseler or Gotha) under license. This system was under the control of the RLM (later in the war, starting in early 1944, under the supervision of the Armament Ministry – see below).


2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Luis Alberto Mejía-Manzano ◽  
Patricia Vázquez-Villegas ◽  
José González-Valdez

In recent years, the effective purification of PEGylated therapeutic proteins from reaction media has received particular attention. Although several techniques have been used, affinity-based strategies have been scarcely explored despite the fact that, after PEGylation, marked changes in the molecular affinity parameters of the modified molecules are observed. With this in mind, future contributions in the bioseparation of these polymer-protein conjugates are expected to exploit affinity in chromatographic and nonchromatographic techniques which will surely derive in the integration of different operations. However, this will only occur as novel ligands which are simultaneously found. As it will be mentioned, these novel ligands may be screened or designed. In both cases, computer-aided tools will support their identification or development. Additionally, ligand discovery by high-throughput screening (HTS) is believed to become a fast, economic, and informative technology that will aid in the mass production of ligands along with genetic engineering and related technologies. Therefore, besides analyzing the state of the art in affinity separation strategies for PEGylated molecules, this review proposes a basic guideline for the selection of adequate ligands to provide information and prospective on the future of affinity operations in solving this particular bioengineering problem.


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