Enhanced calcite precipitation for crack healing by bacteria isolated under low nitrogen conditions. Elasticplastic finite element method was used to evaluate the local stresses and strains. Is that a correct definition and is there something additional about the differences. Bacteria forming long threads threadlike bacteria live predominantly in water. Wikipedia, lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries. Cracker jack is a cross between green crack and jack herer. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Type strain and reference strain ezbiocloud help center. It has not been neutralized by an acid to make cocaine hydrochloride, the pure form of the chemical. But there is more to the strain than meets the eye. A pure culture arrises from a single cell and thus contains only one type of microorganism.
All of these common heritage resources are under tremendous strain as corporations seek to privatize and commodify them. The type strain is defined in the context of formal bacterial taxonomy whereas reference strain means that the strain is widely used within the community or adopted by a formally recognized institution such as fda and cdc. A strain is somewhat analogous to a race in humans. Green crack is now legally sold in canada under the name rise by cove, and also as green cush by weedmd. But the fighting began last week without that help, and several days into the war, the amity between the two nations is under severe strain. Definition of cracking under the strain in the idioms dictionary. However, we still need to classify and name the species as we want to call them by names not bacteria x or 110982. A configuration is a set containing the positions of all particles of the body. Treatment techniques which may be successful in removing or reducing iron bacteria include. This paper discusses the mean strain effect on the crack initiation lives for notched specimens under biaxial nonproportional loading paths.
In biology, a strain is a genetic variant, a subtype or a culture within a biological species. Myositis causes include infection, injury, autoimmune. Bacteria article about bacteria by the free dictionary. This organism may cause septicemia, neonatal meningitis, infantile gastroenteritis, tourist diarrhea, and hemorrhagic diarrhea.
You can catch hib by inhaling the germs spread when an infected person coughs. Bacterial concrete or self healing concrete for crack repairs. Under athe strain definition of under athe strain by merriam. Cracking under the strain idioms by the free dictionary. Strains are often seen as inherently artificial concepts, characterized by a specific intent for genetic isolation. Ive noticed some confusion over the use of the word strain for bacteria. Crack propagation an overview sciencedirect topics.
You can focus on the form, elevation, margin, surface, optical. Under favorable conditions the bacteria multiplies and produces a potent exotoxin which destroys the. This strain is a hybrid which contains an equal ratio of sativa and indica, i. Strain meaning in the cambridge english dictionary. The strain may not look like much at first but its buds are quite. The bacterial species definition in the genomic era. The most common strain of bacteria that causes this condition is haemophilus influenzae type b, also known as hib. Some images used in this set are licensed under the creative commons through. If strain is put on an organization or system, it has to do more than it is able to do. Crack under the strain idioms by the free dictionary. Shes a lot better than she was but shes still not ready to face the stresses and strains of a job.
At strain definition of at strain by the free dictionary. Search bacterial strain and thousands of other words in english cobuild dictionary from reverso. I think that the exact definition of a crack depends on what you want to do. Cracking under the strain plans are still ongoing, not saying much as i dont want to jinx things. Therefore, combination with the notch strain approach for crack initiation offers a realistic view for future development. Here is a primer for anyone confused over bacteria and strains etc. The strain originates from blue dream and green crack. Critical strain is the strain usually elongation, also compression at which the onset of ozone attack crack growth occurs at the strained rubber surface. This is most easily observed in microbiology where strains are derived from a single cell colony and are typically quarantined by the physical constraints of a petri dish. Bacterial species concept explained ezbiocloud help center.
Most of the reported human cases have been due to eating under cooked hamburger. Bacterial culture streaking allows bacteria to reproduce on a culture medium in a controlled environment. Definition of crack under the strain in the idioms dictionary. Bacteria in the form of a comma are called vibrio, coiled bacteria with loose spiral turns are called spirilli, and those with several small and regular turns are called spirochetes. Bacteria effectively clone themselves so theoretically all clones are identical. Under specific entries, it contains information on the origins of, and literature on, the strains.
The character of these solutions at large values of n and thus a low strain hardening capacity is related to certain perfect plasticity solutions. When multiple strains are discovered for a single species, we can choose a likely representative strain as the type strain. But staph infections can turn deadly if the bacteria invade deeper into your body, entering your. However like every organism theyre subject to darwinian evolution so theres always a chance a random mutation happens. Myositis refers to any condition causing inflammation in muscles. The process involves spreading bacteria across an agar plate and allowing them to incubate at a certain temperature for a period of time. Most of the time, these bacteria cause no problems or result in relatively minor skin infections. Different bacterial species creates different culture morphologies. He worked 80hour weeks for a month and finally cracked under the strain. Strain definition for englishlanguage learners from merriam. People in a race have certain characteristics that differentiate them from another race, yet we all belong to the same specie. Deformation in continuum mechanics is the transformation of a body from a reference configuration to a current configuration. Crack comes in a rock crystal form that can be heated and inhaled or smoked. Since it is difficult to eliminate iron bacteria once they are present in well systems, prevention is the best safeguard against accompanying problems.
Being a sativa strain, it has an exceptional 20% thc content and is known for producing a potent buzz unlike any other. Strains within a species may differ slightly from one another in many ways. Commercial firms specify atcc strains as controls for rapid identification, minimum inhibitory concentration of antibiotics and antibiotic susceptibility panels. When find an unknown bacterium, you first make a pure culture of it on an agar plate. Use of bacteria to repair cracks in concrete sciencedirect. Under strain english only forum under the strain english only forum whose profession is a constant strain english only forum wondering whether the statistical nature of reality english only forum worry tensionstressstrain english only forum would go and strain points with her english. It is remarkable how the two parental species pass on distinctive properties to blue crack which complement each other once combined. This strain showed a high urease activity, a continuous formation of dense calcium carbonate crystals and a very negative zetapotential. A type strain is a live strain that can serve the center of a species and regarded as the representative of a species.
These four posts take the strain of the whole structure. A deformation may be caused by external loads, body forces such as gravity or electromagnetic forces, or changes in temperature, moisture content, or chemical reactions, etc. Definition of strain written for english language learners from the merriam webster. In modern days, the use of technology has taken the standards of construction to a new high level. Bacterial quality control strains atcc provides topquality microbial strains needed to maintain outstanding quality control programs. Genomics now offers novel insights into intraspecies diversity and the potential for emergence of a more soundly based system. In the remainder of the paper details of the dominant singularity 4 are presented for a tensile crack under conditions of plane stress and plane strain and for a shear crack under plane strain. She was tired and under great strainthe stresses and strains of a busy and demanding career.
A considerable strain english only forum a native strain strains english. Strain definition and meaning collins english dictionary. Weakness, swelling, and pain are the most common myositis symptoms. Pandacreampuffdifferent isolates can be the same strain, but different strains can not be. Wikipedia, lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries, merriam webster. Since bacteria usually reproduce fast the rate of these mutations can happen fast resulting in the strain evolving to a slightly different strain. To achieve this, bacterial taxonomists have introduced a concept of type strain. A lownitrogendemanding strain b6, identified as bacillus sp, was screened to exhibit the. What does cracking under the strain expression mean.
Strain definition in the cambridge english dictionary. Coliforms are bacteria that are always present in the digestive tracts of animals. Bacterial streaking can be used to identify and isolate pure bacterial colonies from a mixed population. Selection of this spore forming strain was based upon earlier work. Crack propagation inclusive of crack closure effects may adequately be described based on cracksizedependent and structurerelated stress intensity factors combined with materialrelated propagation rate parameters. Search to crack under the strain and thousands of other words in english cobuild dictionary from reverso. Mean strain effect on crack initiation lives for notched. Staph infections are caused by staphylococcus bacteria, types of germs commonly found on the skin or in the nose of even healthy individuals. If you keep pushing your employees so hard, theyll eventually crack under the strain. Strain definition, to draw tight or taut, especially to the utmost tension. Mainly, strains are isolates which had been characterised while isolates have not.
If you keep pushing your employees so hard, theyll eventually crack. The ncbi taxonmy browser provides information on all taxonomic units including bacteria and archae. Coliform bacteria in drinking water supplies department of health. The bacterial species definition, despite its eminent practical significance for identification, diagnosis, quarantine and diversity surveys, remains a very difficult issue to advance. Types of bacteria, its mechanism and preparation of bacterial concrete is discussed. Different bacteria of the same genus and species but have different abilities.