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Arsitektura ◽  
2021 ◽  
Vol 19 (2) ◽  
pp. 289
Author(s):  
Ana Hardiana ◽  
Ofita Purwani ◽  
Atika Febriyani

<p class="Abstract"><em><span lang="EN-GB">There have been architectural standards for many types of buildings such as the ones for hospitals, hotels, and shopping malls. Those standards were developed with an assumption that we live free from contagious diseases like Covid-19. The world situation in the last decade has shown that new contagious diseases are on the rise, bringing people’s lives at risk. It is then very urgent to review the existing architectural standards to fit our new needs. This paper then focuses on a review on architectural standard, which in this case is traditional market to propose a new standard. To do that we review the existing standard and the existing literature on Covid-19, before developing a proposal for a new standard for traditional market in Indonesia. The proposal shows a revision in the layout, room size, internal and external circulation, the use of materials, lighting, and ventilation.</span></em></p>



Author(s):  
Dimitri Sigounas ◽  
Kenneth Sack ◽  
George Thomas ◽  
Dimitri Sigounas

Aim: Middle Meningeal Artery (MMA) embolization has emerged as a viable neuroendovascular technique for the management of chronic subdural hematoma (SDH). Comparative analysis of various endovascular techniques for embolization is lacking. Guidance on operative techniques in situations of prior embolization failure is rare. Materials and Methods: In this case report, we present a patient with a chronic subdural hematoma that failed previous coil embolization of the MMA. Digital Subtraction Angiography showed the previously placed coil and continued distal flow to the dural membranes. Results: Onyx liquid embolization was completed successfully, effectively halting both anterograde flow to the MMA and retrograde flow from external circulation collaterals. Conclusion: This case report suggests that in situations of MMA embolization failure, follow-up angiography may be completed to determine if further embolization through other procedural techniques may be possible. The angiographic images contained here highlight the advantages of liquid embolization over coil embolization of the MMA in halting SDH angiogenesis.



Water ◽  
2021 ◽  
Vol 13 (16) ◽  
pp. 2200
Author(s):  
Valeriy Malinin ◽  
Svetlana Gordeeva ◽  
Julia Mitina

The article discusses the features of large-scale spatial and temporal variability of moistening (potential evapotranspiration, precipitation, potential evapotranspiration coefficient) in the Siberian part of Russia for the period 1981–2015. The All-Russian Research Institute of Hydrometeorological Information—World Data Center (RIHMI-WDC) archive has served as a source of initial information. Due to the rare network of stationary meteorological stations in most of Siberia, only 32 stations located mainly in the valleys of large rivers have been used for calculations. To estimate potential evapotranspiration, the modified method of M.I. Budyko has been used. A comprehensive delimitation of Siberia has been carried out by the interannual fluctuations of characteristics of moistening, being well divided into four regions, three of which encompass the basins of the largest rivers: the Ob, the Yenisei, the Lena and the fourth region represents the Baikal region. Analysis of the trends shows that the evapotranspiration in Siberia is growing only in the Ob basin and the Baikal region. Precipitation, excluding the Baikal region, is also increasing in the Yenisei and Lena basins. As for the potential evapotranspiration coefficient, a significant trend refers only to the Baikal region due to the rapid increase in evaporation. The modeling of the annual values of the characteristics of moistening for the selected regions has been carried out using the decision trees method. For 4-branch trees, the coefficient of determination R2 describes about two-thirds of the variance of the original variable (0.57–0.73). In the models of annual evapotranspiration values, the main predictor is the air temperature. In precipitation models, the contribution of local and external circulation factors to interannual precipitation fluctuations is equal.



2021 ◽  
Vol 7 (1) ◽  
pp. 63-71
Author(s):  
Skender Gojani ◽  
◽  
Granit Curri

The contract of sale represents one of the most important contracts on internal and external circulation of goods. This contract is considered one of the oldest and it has the same purpose in all the countries worldwide. With this contract, the seller is obliged to deliver the goods he sells to the buyer, in order for him to gain the right of ownership, whereas the buyer is obliged to pay the price as per the contract. validity conditions, resolution and consequences of resolution, etc.In some occasions, the contracts are subjects of different conflicts which reach the only solution through courts. Given the fact that there are different types of the contracts of sale, it is important that we make efforts in order to study them, difficulties we encounter with regards to the circulation of goods and money.



Author(s):  
Wei Song ◽  
Changjin Zheng ◽  
Bo Zhang ◽  
Yue Jin ◽  
Yuanzhou Liu


Author(s):  
Hanny Vistanty ◽  
Rizal Awaludin Malik ◽  
Aris Mukimin

The effectiveness of a full-scale anaerobic digestion pretreatment was evaluated and the effect of wastewater distribution system was determined on the performance of bakery wastewater (BW) treatment. The BW was fed to 3 series of anaerobic compartments as the main degradation process. The distribution system of first compartment was modified and circulated to enhance contact and efficiency. While the effluent of last compartment was partly returned to the first compartment as an external circulation and the other part was further processed in activated sludge under aerobic conditions. The overall system was able to remove chemical oxygen demand (COD), total suspended solids (TSS), and biochemical oxygen demand (BOD) up to 97.7%, 99.7%, and 99.6%, respectively, at maximum organic loading rate of 6.3 kg COD/m3day. High removal of pollutants indicated that modified distribution of circulation is advantageous to the BW treatment



2020 ◽  
Vol 60 (1) ◽  
pp. 115-122
Author(s):  
V. Yaroshevsky ◽  
V. Bulgakov ◽  
S. Ivanovs ◽  
V. Krutyakova ◽  
V. Belchenko ◽  
...  

In the production of biological preparations for agriculture there are promising jet bioreactors with an external circulation ring, providing intense mixing of the medium along with a high degree of aeration. However, application of these bioreactors is limited by large shear loads on the microorganisms (microorganism cells) arising in the circulation pump. The article deals with one of the ways for solving this problem by using a low-capacity pump for the circulation of the fermentation medium according to a non-standard scheme of medium jet aeration in order to intensify the mass exchange processes. There are presented results of physical simulation of the mixing parameters of flows in an aerator-jet mixer and their impact upon the intensity of metabolic processes in the circulation ring of a bioreactor.



2019 ◽  
Vol 6 (2) ◽  
pp. 76-83
Author(s):  
V. Yaroshevsky

Aim. The main aim of the research was to compare different methods of fermentation medium energy effi ciency agitation. Methods. The analysis of mass transfer processes in fermenters using different methods of agitation was made. Experimental determination of energy consumption for medium agitation while using a mechanical agitator and an external circulation loop was realized. Estimation of energy effi ciency indices. Results. It was determined that energy effi ciency of agitation by circulation during the cycle of bacterial preparation Planriz BT (Biotechnica) exceeded mechanical agitation 1.3 times in case of aeration, and 2.6 times in the non-aeration mode. Conclusions. The method of agitation by circulation of fermentation medium using an external loop is more energy-effi cient compared to mechanical agitation even in the case of using a slow-speed agitator.



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