water sample
1water sample — vandens mėginys statusas T sritis ekologija ir aplinkotyra apibrėžtis Tam tikras vandens kiekis, paimtas iš vandens telkinio ar vandentiekio ir paruoštas tolesnei analizei. atitikmenys: angl. water sample vok. Wasserprobe, f rus. проба воды, f …
2Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… …
3Water supply and sanitation in Latin America — is characterized by insufficient access and in many cases by poor service quality, with detrimental impacts on public health. Water and sanitation services are provided by a vast array of mostly local service providers under an often fragmented… …
4Water activity — or aw is a measurement of the energy status of the water in a system. It is defined as the vapor pressure of water above a sample divided by that of pure water at the same temperature; therefore, pure distilled water has a water activity of… …
5Water supply and sanitation in India — continue to be inadequate, despite longstanding efforts by the various levels of government and communities at improving coverage. The situation is particularly inadequate for sanitation, since only one of three Indians has access to improved… …
6Water supply and sanitation in Brazil — has proved to be a resilient and resourceful sector, despite tremendous challenges and persistent inequalities in the sector. A lot has been achieved during the past decades, including a sustained improvement in efficiency and improved access.… …
7Water Resistant mark — Water Resistant is a common mark stamped on the back of wrist watches to indicate how well a watch is sealed against ingress of water. It is usually accompanied by an indication of the static test pressure that a sample of newly manufactured… …
8water potential — noun (botany) A measure of the free energy of water in a solution, eg in a cell or soil sample, and hence of its tendency to move by diffusion, osmosis or in vapour form • • • Main Entry: ↑water …
9sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …
10Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …
