(a.) Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations.
(n.) A substance used for producing a chemical effect; a reagent.
Example Sentences:
(1) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
(2) Stimulation of human leukocytes with various chemical mediators such as TPA, f-Met-Leu-Phe, LTB4, etc.
(3) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(4) At 36 h postsurgery, RBCs were examined by 23Na-NMR by using dysprosium tripolyphosphate as a chemical shift reagent.
(5) The absorption of ingested Pb is modified by its chemical and physical form, by interaction with dietary minerals and lipids and by the nutritional status of the individual.
(6) Changes in cardiac adenosine triphosphate (ATP), phosphocreatine (PCr) and inorganic phosphate (Pi) were followed and intracellular pH (pHi) was estimated from the chemical shift of Pi.
(7) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(8) 2.39pm BST The European Union called for a "thorough and immediate" investigation of the alleged chemical attack.
(9) "With hyperspectral imaging, you can tell the chemical content of a cake just by taking a photo of it.
(10) The deactivated columns had the residual silanols on the silica gel chemically inactivated to reduce the interaction with basic groups or analytes.
(11) A sperm whale myoglobin gene containing multiple unique restriction sites has been constructed in pUC 18 by sequential assembly of chemically synthesized oligonucleotide fragments.
(12) On the basis of obtained data on the uniformity of chemical compounds of the secretion of glands belonging to different groups their common origin has been suggested.
(13) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(14) In contrast sham-hemodialysis in group CA and group PS, respectively, did not result in significant increases in amino acid efflux from the leg implying that the protein catabolic effect of blood membrane contact depends on the chemical properties of dialysis membranes.
(15) We investigated this suppression quantitatively, using a chemical assay for cell-bound and dissolved capsular polysaccharide.
(16) We previously established that the binding constant (Ka) of this receptor site for the chemically synthesized model AGE, 2-(2-furoyl)-4(5)-(2-furanyl)-1H- imidazole-butyric acid (FFI-BA), on cells of the mouse macrophagelike cell line RAW 264.7 is identical to that for AGE proteins.
(17) They included lectins such as wheat germ agglutinin (WGA), concanavalin A and phytohemagglutinin, and a chemical cross-linker, glutaraldehyde, in addition to anti-IL-2R monoclonal antibodies, HIEI and H-47.
(18) The reduction of such potentials can be explained in terms of collision between the antidromic volleys and those elicited orthodromically by chemical and thermic stimulation.
(19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
(20) The use of gaseous insecticides in the chemical control of T. infestans is discussed.
Explosion
Definition:
(n.) The act of exploding; detonation; a chemical action which causes the sudden formation of a great volume of expanded gas; as, the explosion of gunpowder, of fire damp,etc.
(n.) A bursting with violence and loud noise, because of internal pressure; as, the explosion of a gun, a bomb, a steam boiler, etc.
(n.) A violent outburst of feeling, manifested by excited language, action, etc.; as, an explosion of wrath.
Example Sentences:
(1) According to some reports as many as 30 people were killed in the explosion, although that figure could not be independently confirmed.
(2) Recognition of this deficiency in our knowledge spurred a belated explosion of research that began with an exploration of the fine structure of the mesothelium.
(3) Moments later, explosive charges blasted free two tungsten blocks, to shift the balance of the probe so it could fly itself to a prearranged landing spot .
(4) There were soon tales of claimants dying after having had money withdrawn, but the real administrative problem was the explosion of appeals, which very often succeeded because many medical problems were being routinely ignored at the earlier stage.
(5) But late last month, Amisom pushed them out of Afgoye, a strategic stronghold 30km from Mogadishu, where Amisom officials say the militants used to manufacture explosives used in attacks on the capital.
(6) When you have champions of financial rectitude such as the International Monetary Fund and OECD warning of the international risk of an "explosion of social unrest" and arguing for a new fiscal stimulus if growth continues to falter, it's hardly surprising that tensions in the cabinet over next month's spending review are spilling over.
(7) Gunfire and explosions rocked Bangkok following clashes between pro-government "red shirts" and protesters, leading to fears of further violence as Thais head to the polls.
(8) He explained that in Iraq , vehicles loaded with explosive devices only had their hazard warning lights on.” When Fitzsimons applied for a job in Iraq with the security firm Armour Group Security , owned by G4S, he didn’t tell his family.
(9) A month later there were explosions in High Wycombe and London's King's Road.
(10) Progress on treaties underpinning nuclear disarmament – which have too long been stalled – has also recently begun to look more hopeful, with renewed prospects for achieving the entry into force of the comprehensive test ban treaty and for starting negotiations on a treaty to ban the production of fissile material for nuclear weapons or other nuclear explosive purposes.
(11) Technology assessment is becoming increasingly important in the area of critical care due both to the explosion of technology associated with this discipline and to the realization that future demand for these health care resources will undoubtedly exceed the ability to pay.
(12) Morphine was previously found to elicit an explosive excitatory behavior following its injection at a high dose in the rat periaqueductal gray (PAG).
(13) The World Health Organisation has convened an emergency committee to discuss the “explosive” spread of the Zika virus , with one of its scientists estimating there there could be 3m-4m Zika infections in the Americas over the next year.
(14) Certainly the affidavit against Ferdaus paints a compelling picture of a man hellbent on waging jihad in America and eager to take the guns and explosives eventually supplied to him by the undercover FBI agents.
(15) Thus the main population explosion – or to give it its proper name, the population implosion – is still to come.
(16) GMCs during the radiation schedule were associated with explosive diarrhea on seven occasions.
(17) The bigger question to pose is whether these reforms can possibly meet the challenge the NHS faces from an explosion in chronic diseases, such as diabetes .
(18) A massive explosion in a highly secure diplomatic area of Kabul has killed at least 90 people and wounded more than 461, Afghan officials have said.
(19) Unfortunately, this explosion is mild compared with the number of myths, falsehoods and downright lies which have accompanied these ideas.
(20) A car bomb and suspected suicide bomber have killed at least 15 people in two explosions at a restaurant in the Somali capital, Mogadishu, local police said.