نتایج جستجو برای: high turbidity

تعداد نتایج: 2063698  

2016
Juliette Cortez Karen Duarte Maria Miller Erik Nichols

In this analysis, different tools were utilized in measuring the different parameters, which were DO, temperature, pH, and turbidity. For the measurement of each parameter (with exception of turbidity) we dipped the parameter-stick about half-way into the water while swirling it slowly. We continued doing so until the monitor displayed a stable measurement for us to record. Turbidity was slight...

Alavi, Nadali, Atamaleki, Ali, Majlesi, Monireh, Seyyed, Mostafa, Soheili, Najmeddin,

Background: Water resource management in order to preserving and supplying of high-quality water, plays an important role on communities health. For this reason, humans have always used different methods to provide high-quality water. One of these methods is the use of Radial Collector wells. In this study, the effect of Radial Collector wells on the microbial and physicochemical quality of Doo...

2015
Ryan J. K. Dunn Hsin-Hui Lin

An understanding of sediment transport processes and resultant concentration dynamics in estuaries is of great importance to engineering design awareness and the management of these environments. Predictive modelling approaches provide an opportunity to investigate and address potential system responses to nominated events, changes, or conditions of interest, often on high temporal and spatial ...

Journal: :Journal of environmental sciences 2016
Lu Ao Wenjun Liu Lin Zhao Xiaomao Wang

The combined fouling during ultrafiltration (UF) of surface water pretreated to different extents was investigated to disclose the roles of polysaccharides, proteins, and inorganic particles in UF membrane fouling. Both reversible and irreversible fouling decreased with enhanced pretreatment (biologically active carbon (BAC) treatment and sand filtration). The sand filter effluent fouled the me...

Journal: :The Journal of Cell Biology 1965
I. R. Gibbons

Cilia were isolated from Tetrahymena pyriformis by an ethanol-calcium method. Addition of adenosine triphosphate to a suspension of intact or digitonin-extracted cilia caused a decrease of about 20 per cent in turbidity. Study of fractionated cilia showed that the presence of two distinct axonemal components, the outer fibers and the 30S dynein (the axonemal ATPase protein), was necessary for t...

Journal: :Journal of clinical pathology 1953
H N ANTONIADES

The various liver flocculation tests proposed in recent years by several investigators cannot be considered as specific, hence clinicians tend to use many of them simultaneously. Obviously, the simplicity and the rapidity with which any one of these tests can be performed are essential advantages. The following new liver function turbidity test is simple and rapid, and is more sensitive than th...

2017
Maria Azpiroz-Zabala Matthieu J B Cartigny Peter J Talling Daniel R Parsons Esther J Sumner Michael A Clare Stephen M Simmons Cortis Cooper Ed L Pope

Seabed-hugging flows called turbidity currents are the volumetrically most important process transporting sediment across our planet and form its largest sediment accumulations. We seek to understand the internal structure and behavior of turbidity currents by reanalyzing the most detailed direct measurements yet of velocities and densities within oceanic turbidity currents, obtained from weekl...

Journal: :Marine pollution bulletin 2012
Paul L A Erftemeijer Bernhard Riegl Bert W Hoeksema Peter A Todd

A review of published literature on the sensitivity of corals to turbidity and sedimentation is presented, with an emphasis on the effects of dredging. The risks and severity of impact from dredging (and other sediment disturbances) on corals are primarily related to the intensity, duration and frequency of exposure to increased turbidity and sedimentation. The sensitivity of a coral reef to dr...

2017
Kohei Arai

Prediction method for large diatom appearance in winter with meteorological data and MODIS derived turbidity and chlorophyll-a in Ariake Bay Area in Japan is proposed. Mechanism for large diatom appearance in winter is discussed with the influencing factors, meteorological condition and in-situ data of turbidity, chlorophyll-a data with the measuring instruments equipped at the Saga University ...

2014
Paul L. Jokiel Kuʻulei S. Rodgers Curt D. Storlazzi Michael E. Field Claire V. Lager Dan Lager

A long-term (10 month exposure) experiment on effects of suspended sediment on the mortality, growth, and recruitment of the reef corals Montipora capitata and Porites compressa was conducted on the shallow reef flat off south Moloka'i, Hawai'i. Corals were grown on wire platforms with attached coral recruitment tiles along a suspended solid concentration (SSC) gradient that ranged from 37 mg l...

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