(n.) A black, granular, explosive substance, consisting of an intimate mechanical mixture of niter, charcoal, and sulphur. It is used in gunnery and blasting.
Example Sentences:
(1) The local undertakers were pleased to discover the great Henty to be the man they had always imagined - a full-bearded giant, stern and wise, dressed like a warrior hero or - much the same thing - a Victorian gentleman with the whiff of gunpowder and the clash of sabres about him.
(2) Built in the 1570s and known as a 'miniature Hampton Court', it was once owned by one of the Gunpowder Plot conspirators.
(3) We were able to remove most of the foreign body particles from a fresh wound caused by a gunpowder blast to the face, using microsurgical techniques.
(4) The report of the post-mortem by the St Louis County medical examiner said that the largest gunshot wound found on Brown’s body was on his right hand, and that tissue from the wound appeared to contain gunpowder particles.
(5) Martin's clothing was scorched by gunpowder while the bullet hole in his chest was not, he said, proving that there was "at least an inch, or two or three" separating his clothing from his skin.
(6) And he had the cheek to call us “a roomful of gunpowder”.
(7) When one of the gunmen shot the lady who had been on the phone and I could smell the gunpowder, I knew the gunmen must've seen us.
(8) The quantities of gunpowder particles on the targets which were calculated by stereoscopic microscope increased distinctly in vertical shot direction (from above downwards), especially at distances 2 and 2.5 m and particle flight distance rose; in horizontal shot direction distances of gunpowder particle flight didn't exceed 2-3 m.
(9) After opening the windscreen they used a water charge in an attempt to render any gunpowder inert.
(10) Whitworth Gallery Manchester After a £15m refit and extension, the Whitworth reopens with multiple exhibitions and displays, including key works and new commissions by Cornelia Parker, the beautiful watercolours of Thomas Schütte, and a 45-metre-long gunpowder drawing by Chinese artist Cai Guo-Qiang (who devised the unforgettable fireworks for the Beijing Olympics), originally conceived for the Japanese city of Hiroshima.
(11) One Whitehall source said: "One whiff of gunpowder and Downing Street runs away.
(12) The witnesses said that in late June he began equipping himself with a helmet, gas mask and body armour; and in July he began buying fuses, gunpowder, chemicals and electronics to booby-trap his apartment in the hope of triggering an explosion and fire to divert police from the theatre.
(13) Blast tattoos occur when fragments of gunpowder are propelled into the skin during a firearm discharge.
(14) I walked about 2 steps in the door, and screamed, and shut my eyes, when I heard him move, I started firing.” Byrom’s lawyers stressed in their submission to the court that Edward Jr knew where his father’s gun was kept, led police to the murder weapon, and was found to have gunpowder residue on his palms after the killing, while Gillis did not.
(15) A series of public green spaces along the waterways add up to Maryland’s largest state park: Gunpowder Falls.
(16) It was not marked with his fingerprints and no significant trace of gunpowder was found on his body.
(17) Major General Huang Yongyin said China needed to match the defensive efforts of other major nations, arguing: "For national security, the internet has already become a new battlefield without gunpowder."
(18) The bomb was made up of gunpowder of the sort that could be obtained from fireworks, three propane tanks and two five-gallon containers full of petrol.
(19) Even in translation there are some great lines – “we have taken the drum of gunpowder as our rhythm and the sound of machine guns as our melody”.
(20) Jensen, who ran a construction company and had legitimate knowledge of demolitions, said the conversation did not seem abnormal because "men and boys are interested in gunpowder and bullets and fast cars".
Sulfur
Definition:
Example Sentences:
(1) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
(2) Typically the iron-iron axis (gz) of the binuclear iron-sulfur clusters is in the membrane plane.
(3) Our study suggests that a major part of the renal antimineralocorticoid activity of spironolactone may be attributable to minor sulfur-containing metabolites or their precursors having a high renal clearance that affords access to their site of activity via the renal tubular fluid.
(4) Ferredoxin reductase (Fd-reductase) supplies reducing equivalents obtained from NADPH to mitochondrial cytochrome P450 enzymes via the small iron-sulfur protein ferredoxin.
(5) The loss of enzyme activity in sulfur-rhodanese does not involve cysteinyl residues but can be correlated with the modification of guanidino groups, notably that of Arg-186, the side chain of which may play a role in substrate binding.
(6) In two patients with extensive marrow necrosis, the diagnosis of marrow necrosis was established by morphologic and radioisotopic studies, and the extent of involvement was accurately assessed by marrow scanning with technetium Tc 99m sulfur colloid while the patients were still alive.
(7) It was presumed that thymohydroquinone is excreted as ethereal sulfuric acid conjugate in man.
(8) Also purple sulfur bacteria lowered BOD levels as demonstrated by the growth of T. floridana in sterilized sewage.
(9) An equivalent maximum growth response of rats fed L-methionine or N-acetyl-L-methionine was obtained when the total dietary sulfur amino acids compromised 0.36-0.41% of the diet.
(10) Histopathological evaluations showed that sulfuric acid particles alone did not cause inflammatory responses in centriacinar units of rat lung parenchyma (expressed in terms of percent lesion area) but did cause significant damage (cell killing followed by a wave of cell replication) in nasal respiratory epithelium, as measured by uptake of tritiated thymidine in the DNA of replicating cells.
(11) Ac-MPS of the hyaluronic acid type prevail in the ground substance of the myxoid and fibroblastic mesenchyma, while the substances containing sulfuric groups predominate in the tissue matrix exhibiting fibrogenic tendencies.
(12) Previous work demonstrated a differential decrease in iron-sulfur centers A, B and X which indicated that center X serves as a branch point for parallel electron flow through centers A and B (Golbeck, J.H.
(13) Our observation leads to the suggestion that, in vivo, either rhodanese is maintained in its more stable sulfur-substituted form or cellular compartmentalization prevents inactivation by nitrite.
(14) In contrast, the (Rp)-isomers, which have an equatorial exocyclic sulfur atom, bound to the enzyme without stimulation of its activity.
(15) A strong shoulder was observed at 2481.7 eV on the low-energy side of the sulfate absorption edge, deriving from a novel type of sulfur having a slightly lower oxidation state than sulfate sulfur.
(16) Long-term treatment with furosemide (up to 13 months) caused transient changes in the elemental content of the pancreatic acinar cells: a decrease in chloride and sulfur, and an increase in phosphorus, potassium and magnesium.
(17) The iron-sulfur proteins of the green photosynthetic bacterium Chlorobium have been characterized by oxidation-reduction potentiometry in conjunction with low-temperature electron paramagnetic resonance spectroscopy.
(18) The reaction is based on the reduction of sulfur dioxide at a dropping mercury electrode.
(19) Proton induced X-ray emission (PIXE) analyses were performed on single hair fibers in triplicate from 103 individuals in order to determine sulfur, zinc, calcium, and chlorine content.
(20) In a survey of the proteins from human hair, a genetic electrophoretic variant has been observed in the high-sulfur protein region.