scholarly journals Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97

Fact Sheet ◽  
2002 ◽  
Author(s):  
Andrew G. Reif
Keyword(s):  
Red Clay ◽  
Biological Indices ◽  
Chester County ◽  
Stream Quality ◽  
White Clay

scholarly journals The Suitability of Porous Material to Simulate Evaporation in Human Sweating Mechanisms

2020 ◽  
Vol 9 (3) ◽  
pp. 457-463
Keyword(s):  
Porous Material ◽  
Thermal Comfort ◽  
Evaporation Rate ◽  
Pearson Correlation ◽  
Outdoor Thermal Comfort ◽  
Red Clay ◽  
Human Sweat ◽  
The Relationship ◽  
White Clay ◽  
Sweat Evaporation

This study aims to determine the suitable porous material that can simulate human sweat evaporation rate for preliminary thermal comfort assessment. The objective of the study was to identify the relationship of human sweat evaporation rate with porous material evaporation rate. Field experimental has been conducted to measure the evaporation rate of porous material such as red clay, white clay, plaster and human sweat. Then, the correlation analysis was conducted between porous material evaporation rate and human sweat evaporation rate. The collected data were analyzed by using SPSS 20 and Microsoft Excel 2016 tools. Pearson correlation were used as statistical analysis to find the relationship between both variable. The statistical significance level was set at P< 0.01. Based on the findings, human sweat evaporation rate had a moderate correlation with red clay (r = 0.583) and white clay (r = 0.503) with statistically significant but very weak correlation with plaster (r = 0.020). The porous characteristics of red clay and white clay has the capillary effect which is almost like human skin by showing a good correlation between human sweat and porous material evaporation rate. As this is preliminary study, in future more research to be done to obtain higher correlation between porous material and the human body by modifying the material. To minimize heat stress, it would be a step forward in evaluating outdoor thermal comfort and raising awareness of society and government.

scholarly journals XIX. Experiments upon the different kinds of marle found in Staffordshire

1773 ◽  
Vol 63 ◽  
pp. 161-161 ◽  
Keyword(s):  
Nitrous Acid ◽  
Rain Water ◽  
Red Clay ◽  
The Third ◽  
The Earth ◽  
White Clay

Half a dram of the marles being put into similar glass cups, two drams of nitrous acid being added to each glass, they all effervesced; No 1 and 2 the least, No 12 the most. The effervescence having ceased, and fix drams of rain water being added to each glass, the liquors were all filtered, and after filtration, changed violet paper to a red colour. To the filtered colours was gradually added mild fixed alkali, sufficient to saturate the acid, and precipitate all the earth it had dissolved. The precipitated earth being washed in rain water, till free from all saline matter, weighed, when dry, as in column the third. Column the fourth shews that, after the separation of the calcarious earth, there remained in No 1, 2, 4, a red clay; in No 12 a white clay; in No 8 a red clay, and a portion of sane; in No 3 a whitish clay, with a portion of sand; in No 6, 9, 10, 11. pure sand; and in No 7 sand, with a small portion of clay.

scholarly journals RED-CLAY STOVE TILES FROM THE EXCAVATIONS IN THE BOLSHOY GARDEN SQUARE OF THE MOSCOW KREMLIN

2020 ◽  
pp. 269-281
Author(s):  
А. Н. Смирнов ◽  
В. Ю. Коваль ◽  
О. Н. Глазунова ◽  
К. И. Панченко
Keyword(s):  
Ceramic Tiles ◽  
Red Clay ◽  
Stratigraphic Position ◽  
Clay Tiles ◽  
White Clay

В ходе раскопок 2019 г. в Московском Кремле, вскрывших фундамент здания Новых Приказов (1675-1770-х гг.) и слои, связанные с функционированием Старых Приказов (1591-1670-х гг.), была собрана представительная коллекция красных печных изразцов. Изучение этого корпуса источников позволило установить присутствие в нем остатков печных наборов, использовавшихся в зданиях Старых Приказов и принадлежавших концу XVI - началу XVII в. Основное внимание в исследовании уделяется стратиграфической позиции находок, установлению круга аналогий и хронологии найденных изразцов. Часть красных изразцов зафиксирована в переотложенном состоянии в слое функционирования Новых Приказов. Установлена связь единичных находок белоглиняных поливных изразцов с печными наборами приказных палат середины - второй половины XVI в. During the 2019 excavations in the Moscow Kremlin that opened up the foundation trenches of the building of New Prikazes (1675-1770s) as well as the layers related to the operation of the Old Prikazes (1591-1670s) a representative series of red-clay stove tiles was collected. The study of this corpus of sources identified remains of stove sets used in the buildings of the Old Prikazes which are referred to the end of the 16 -the early 17 centuries. The study focuses on the stratigraphic position of the finds, search of analogies and the chronology of the discovered ceramic tiles. Some red-clay tiles were discovered in the layer of the New Prikazes as redeposited materials. The linkage between solitary finds of white-clay glazed tiles and stove sets from prikaz buildings of the middle-second half of the 16 century was established.

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