Construction of the Bhatnagar, Gross, and Krook model in the case of moderate density gases

1979 ◽  
Vol 22 (11) ◽  
pp. 1133-1135
Author(s):  
V. E. Pasternak ◽  
A. A. Yushkanov ◽  
Yu. I. Yalamov
Keyword(s):  
Moderate Density

Soil fungal networks moderate density‐dependent survival and growth of seedlings

2021 ◽  
Author(s):  
Minxia Liang ◽  
Liuqing Shi ◽  
David F. R. P. Burslem ◽  
David Johnson ◽  
Miao Fang ◽  
...  
Keyword(s):  
Density Dependent ◽  
Moderate Density ◽  
Survival And Growth ◽  
Growth Of Seedlings

Large scale hypersonic separated flows at moderate Reynolds numbers and moderate density

2019 ◽  
Author(s):  
S. L. Gai ◽  
R. Prakash ◽  
A. Khraibut ◽  
L. Le Page ◽  
S. O’Byrne
Keyword(s):  
Large Scale ◽  
Reynolds Numbers ◽  
Separated Flows ◽  
Moderate Density

scholarly journals Planting Density Induced Changes in Cotton Biomass Yield, Fiber Quality, and Phosphorus Distribution under Beta Growth Model

Agronomy ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. 500 ◽  
Author(s):  
Aziz Khan ◽  
Xiangjun Kong ◽  
Ullah Najeeb ◽  
Jie Zheng ◽  
Daniel Kean Yuen Tan ◽  
...  
Keyword(s):  
Field Experiments ◽  
Biomass Yield ◽  
Accumulation Rate ◽  
Fiber Quality ◽  
Phosphorus Uptake ◽  
Biomass Accumulation ◽  
Planting Density ◽  
Maximum Height ◽  
Low Density ◽  
Moderate Density

High input costs combined with multiple management and material inputs have threatened cotton productivity. We hypothesize that this problem can be addressed by a single fertilization at flowering with late sowing in a moderately populated plant stand. Field experiments were conducted to evaluate the cotton biomass accumulation, phosphorus dynamics, and fiber quality under three planting densities (low, 3 × 104; moderate, 6 × 104; and dense, 9 × 104 ha−1) and two cultivars (Zhongmian-16 and J-4B). High planting density had 6.2 and 12.6% larger stems and fruiting nodes m−2, while low density produced a 37.5 and 59.4% maximum height node ratio. Moderate density produced 26.4–15.5%, 24.7–12.6%, and 10.5–13.6% higher biomass accumulation rate at the peak bloom, boll set, and plant removal stages over low and high density in both years, respectively. J-4B produced a higher reproductive organs biomass yield when compared with Zhongmian-16 in both years. This higher biomass formation was due to both the higher average (0.8 VT kg·ha−1·d−1) and maximum (1.0 VM kg·ha−1·d−1) reproductive organ phosphorus uptake, respectively. Plants with low density had 5.3–18.5%, 9.5–15%, and 7.8–12.8% greater length, strength, and micronaire values over moderate and dense plants, respectively. Conclusively, moderate density with J-4B is a promising option for improved biomass, phosphorus acquisition, and fiber quality under a short season.

Recent Advances in Gravelly Soils Liquefaction Evaluation

2011 ◽  
Vol 90-93 ◽  
pp. 1443-1446
Author(s):  
Long Qing Hou ◽  
Ai Fei Li ◽  
Hong Mei Xu ◽  
Chun Feng He ◽  
Peng Hu
Keyword(s):  
Wenchuan Earthquake ◽  
Evaluation Method ◽  
Large Diameter ◽  
Penetration Test ◽  
2008 Wenchuan Earthquake ◽  
Moderate Density ◽  
Grain Sizes ◽  
Triaxial Apparatus ◽  
The Wenchuan Earthquake ◽  
Gravelly Soils

Many gravelly soils liquefied cases history especially in the 2008 Wenchuan earthquake warn that loose to moderate density of gravels have much potential to liquefy under a given earthquake shaking. The large diameter triaxial apparatus is a relative feasible means to explore the liquefaction mechanism of gravelly soils to some extent. Becker penetration test (BPT) could be droved hrough gravelly soils layer, but BPT was not directly correlated with field behavior. Because of a wider range of grain sizes than those reported from previous earthquakes, gravels characteristics liquefied in the Wenchuan earthquake are representative and universal. The gravels liquefaction evaluation method developed from the Wenchuan earthquake should be feasible for worldwide use. The recent and ongoing developments in gravels liquefaction was highlighted

scholarly journals THE TOPOLOGICAL RELATIONS OF CORNER BUILDINGS AT STREET JUNCTIONS

2016 ◽  
Vol 40 (4) ◽  
pp. 322-334
Author(s):  
Richard Herriott
Keyword(s):  
Product Design ◽  
Urban Structure ◽  
Low Density ◽  
Psychological Approach ◽  
Topological Relations ◽  
Street Design ◽  
Architectural Space ◽  
Moderate Density ◽  
High Rise

As in furniture and product design, the handling of features such as junctions of street facades is a matter worthy of consideration. The article considers the role of the corner and corner buildings in the architectural relations of the street. It examines the role of corners in the urban structure and the reasons why they are no longer much used. A typology of corner building arrangements is proposed. Referring to affordance, legibility and Weber᾽s (1995) psychological approach to perceived architectural space, the paper discusses the value of clearly articulated corner constructions using selected examples. The dominant modes of building in the post-WWII period tend towards two extremes: high rise/high density and low rise/low density, both often characterised by disconnected building masses. Both modes reject the well-developed formats generally used up to the 1920s. These relied on moderate density, moderate height and conjoined buildings to create clearly defined, legible streets characteristic of an integrated urban fabric. This paper argues that certain morphologies make for better corner designs leading to more understandable street layouts. It also argues that quantitative recommendations in planning guidance are insufficient to ensure desirable outcomes in street design.

Assessment of a Tsetse Population

1936 ◽  
Vol 27 (2) ◽  
pp. 261-267 ◽  
Author(s):  
Ll. Lloyd
Keyword(s):  
Dry Season ◽  
Moderate Density ◽  
Tsetse Population ◽  
Method Of Assessment

An experiment is described in which G. tachinoides in an isolated secondary focus was marked with distinct colours during thirteen successive weeks and the fate of the groups studied by recaptures. The population was known to be declining from moderate density to great scarcity through the dry season and the wastage in the colour groups on the average proved to be 11½ per cent, per diem, rather more, probably, than the wastage in unmarked flies. Following Jackson's method of assessment the population is shown to fall from 6,000 at the end of October to 400 by mid-January. The ratio of the boy-hour rate to these numbers is worked out for each collection and it is found that when the boy-hour rate is above 50 it is not relative to population, but below 50 the rate falls as the population, allowing for the influence of weather on rate of catching.It is shown that under the conditions of the experiment there is an almost complete change of fly population each 5 or 6 weeks, though an occasional fly may survive 11 weeks. The proportion of male flies in the catches fell with increasing age from an initial 57 per cent, to 23 per cent, in the 6th week and no male fly surviving this period was caught.

Transport properties in mixtures involving carbon dioxide at low and moderate density: test of several intermolecular potential energies and comparison with experiment

2009 ◽  
Vol 45 (11) ◽  
pp. 1453-1466 ◽  
Author(s):  
Jalil Moghadasi ◽  
Fakhri Yousefi ◽  
Mohammad Mehdi Papari ◽  
Mohammad Ali Faghihi ◽  
Ali Asghar Mohsenipour
Keyword(s):  
Carbon Dioxide ◽  
Transport Properties ◽  
Intermolecular Potential ◽  
Moderate Density ◽  
Comparison With Experiment

Optimal Thinning of a Year-Class with Density-Dependent Growth

1986 ◽  
Vol 43 (4) ◽  
pp. 889-892 ◽  
Author(s):  
Rögnvaldur Hannesson
Keyword(s):  
Density Dependence ◽  
Optimal Harvesting ◽  
Early Date ◽  
Density Dependent ◽  
Moderate Density ◽  
Class A ◽  
Dependent Growth ◽  
The Impact ◽  
Harvesting Costs

I consider the impact of density-dependent growth on the optimal harvesting of a year-class of fish. In general, density dependence makes "thinning" of the year-class a desirable strategy. Moderate density dependence implies that thinning should be gradual, even in the case of zero harvesting costs where the optimal harvesting strategy would otherwise be instantaneous harvesting. Strong density dependence calls for an immediate thinning at an early date, in the case of zero harvesting costs.

scholarly journals The Influence of Vegetation and House Index on Male Mosquitoes DHF Vector Abundance on Kawengen Sub-District

2020 ◽  
Vol 9 (1) ◽  
pp. 64-70 ◽  
Author(s):  
Dyah Mahendrasari Sukendra ◽  
Yunita Dyah Puspita Santik ◽  
Bambang Wahyono Wahyono ◽  
Nur Siyam ◽  
Fitri Indrawati
Keyword(s):  
Adult Male ◽  
Sampling Technique ◽  
Fruit Trees ◽  
Population Surveillance ◽  
Vegetation Density ◽  
Light Traps ◽  
Moderate Density ◽  
Vector Population ◽  
Male Mosquito ◽  
Male Mosquitoes

The environmental conditions of an area can be a major risk factor for potential outbreaks of DHF. Dense areas with a variety of vegetation are facilitated as breeding sites and have an impact on vector density. The high of vector population give an effect the speed of transmission vector-borne diseases. DHF vector population is related to the vector DHF mating pattern. Adult male mosquitoes vector DHF plays an important role in the pattern of mating DHF. The proportion of mating between adult male and females mosquitoes is 1: 1. Thus it can be seen the density of male mosquitoes, it can be easily estimated the number of female mosquitoes which fertilize and lay eggs. Conducted using observational analytics with male mosquito population surveillance approach. This research aimed to effect of vegetation and House Index (HI) on the abundance of male mosquito populations. Adult mosquitoes taken using light traps with a total sampling technique. Using spatial vegetation analysis shows that Kawengen residents, has a variety of monoecious groups and rice fields. Variety of fruit trees (banana,mango,guava,soursop), flower plants (frangipani,hibiscus), bamboo, another plant (i.e teak). Vegetation density is in the low-moderate category. Kawengen included in the category of moderate density (HI=36%). The number of Aedes sp. male mosquitoes trapped by light traps, of the total trapped mosquito was 6.52%. Variety and density of plants give a support the abundance of male mosquitoes. As a resting and feeding place. HI in moderate density category, indicates there is a positive container or a place for laying eggs. The larvae density affects the sex ratio of mosquitoes.

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