What's the difference between saltwater and tridacna?
Saltwater
Definition:
Example Sentences:
(1) Families picnic between games of crazy golf or volleyball, bathers brave the shallows, children splash in the saltwater lido.
(2) Based on this concern, the objectives of this study were to: (1) compile, review, and synthesize literature on the fate, persistence, and environmental concentrations of DFB in both freshwater and saltwater environments; (2) compile, review, and synthesize acute and chronic aquatic toxicity data on DFB effects on freshwater and saltwater organisms; (3) assess possible risk to aquatic biota associated with the use of this insecticide in one specific area (Maryland); and (4) recommend future research based on the data gaps identified from this study.
(3) The paint whooshed down through the freshwater, but as soon as it hit the saltwater it was repelled, spreading out laterally as if the pigment had hit an invisible horizon.
(4) The following stages were studied: 12-month-old freshwater presmolts, 17-month-old freshwater presmolts, 18-month-old saltwater smolts, 19-month-old saltwater postsmolt, 24-month-old postsmolt, and adult spawners.
(5) Samples of fish from freshwater and saltwater sources of ocean, rivers, and lakes over the state of South Carolina were collected.
(6) A significant finding of this report is that saltwater fish have more trace metal levels than freshwater fish, and larger fish have higher trace metals than smaller fish.
(7) As a group, more children survive a potentially fatal saltwater immersion (67%) than do those who lose consciousness in freshwater (50%).
(8) Organic matter is a major factor influencing the adsorption and degradation of DFB in freshwater, saltwater, and sediment.
(9) Information on the accumulation of cadmium in cytosolic proteins of Great Lake brine shrimp (Artemia salina) was obtained from animals collected directly from the lake and also from animal hatched and maintained in three sublethal concentrations of cadmium (0.5, 2.0, 5.0 ppm) in saltwater aquaria.
(10) In domestic ducks acclimated to 2% saltwater (SW ducks), chronic elevations of plasma osmolality and sodium concentration, and of the circulating levels of antidiuretic hormone and angiotensin II indicate a trend towards dehydration when compared to ducks maintained on freshwater (FW ducks).
(11) In Tuvalu , a collection of reef islands and atolls midway between Hawaii and Australia, saltwater intrusion has already made it difficult to grow traditional crops, and the rainfall that provides much of the drinking water has become unreliable.
(12) taeniorhynchus emergence in saltwater plots for 44 days posttreatment and 35% of Cx.
(13) The metabolism of a saltwater leachate of 14C-labeled Spartina alterniflora was examined in laboratory systems using mixed, salt marsh microbial communities and, by addition of appropriate antibiotics, communities with bacteria or eukaryotes inhibited.
(14) Finding a nice beach is an easy task on the small volcanic island, but visiting three is mandatory: Praia do Sancho, which is reached through a crack in a rock wall; Baía dos Porcos (Pig's Bay), a place of astonishing beauty and great for swimming; and Atalaia, a natural saltwater pool with abundant sea life.
(15) The presence of a saltwater ocean a billion kilometres from Earth more than satisfies Nasa's long-held mantra of "follow the water" to find signs of alien life, but water is not the only factor that makes Enceladus such a promising habitat.
(16) America divides its economists into two camps – the freshwater monetarists hailing from the University of Chicago and the Keynesian-leaning saltwater economists from the colleges on the Pacific and Atlantic coasts.
(17) A homogeneous group of 8-week-old Pekin ducks was divided into two groups: saltwater (SW) ducks received salt water of gradually increasing salinity (200-600 mOsm.kg-1) from the 8th to 20th week of age; freshwater (FW) ducks were maintained on fresh water but otherwise treated identically.
(18) The 5-HIAA content in the CSF of trout held in freshwater for several weeks is significantly higher than in trout held in either 1.6 or 3.0% saltwater while sodium content only exhibits a very slight change in the CSF of trout held in 3.0% saltwater.
(19) Paul Samuelson, who has died aged 94, launched a Nobel prize-winning career spanning eight decades as a member of the freshwater fraternity on the shores of Lake Michigan, but spent most of his distinguished career as one of the saltwater fraternity on the east coast at the Massachusetts Institute of Technology (MIT).
(20) Lago Budi, La Araucanía Facebook Twitter Pinterest Photograph: Alamy In a forgotten corner of Chile’s La Araucanía region lies Lago Budi, a saltwater lagoon formed after the devastating Valdivia earthquake and tsunami of 1960 (the most powerful tremor ever recorded).
Tridacna
Definition:
(n.) A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (T. gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.
Example Sentences:
(1) The arabinogalactan-protein was isolated from the style extract by affinity chromatography with tridacnin (the galactose-binding lectin from the clam Tridacna maxima) coupled to Sepharose 4B.
(2) Aposymbiotic Aiptasia polyps reinfected with zooxanthellae from the gastropod Melibe pilosa and the clam Tridacna maxima grew no better than polyps lacking zooxanthellae.
(3) Haemolymph from the clam Tridacna maxima precipitated with purified H-blood-group substances, Helix pomatia galactogen, and pneumococcus type XIV polysaccharide.
(4) Haemolymph from the elongate clam, Tridacna maxima (Röding) readily precipitates with H-blood group substances, pneumococcus type XIV polysaccharide, human milk and salivas, and with a number of polysaccharides which contain the O-SS-D-galactopyranosyl-(1-6)-D-galactose structure.
(5) A beta-galactosyl-binding lectin was purified from the haemolymph of the clam Tridacna maxima by affinity chromatography using polylecyl larch galactan, D-galactosamine coupled to epoxy-activated Sepharose or acid-treated Sepharose.
(6) Tridacna lectin is a metalloprotein requiring Ca2+ for its haemagglutinating and precipitating activities.
(7) Tridacnin M, a galactosyl-specific reagent prepared from the bivalve clam Tridacna maxima (Röding) was used for the demonstration of 2 different glycosubstances with terminal galactosido units in human semen.
(8) The exposed subterminal carbohydrate structures reacted strongly with an anti-galactan precipitin from the haemolymph of Tridacna maxima which detects terminal, non-reducing beta-D-galactoside residues.
(9) Intracellular studies on photoreceptors in the eyes of the giant clam Tridacna give evidence for two types of light-sensitive cells, both of which are hyperpolarized by light.
(10) The ability of the T. maxima agglutinin to precipitate with structures containing terminal beta-linked 2-acetamido-2-deoxy-D-galactopyranosyl or D-galactopyranosyl groups suggests that the Tridacna haemolymph and purified lectin will find considerable application in the study of many biologically important carbohydrates.
(11) A powerful natural agglutinin with haemagglutinating and precipitating properties has been found in the haemolymph from the elongate clam Tridacna maxima (Röding).
(12) Tridacnin, the lectin from the clam, Tridacna maxima, precipitates with house dust mite extracts and provides a simple procedure for obtaining a potent, purified mite allergen.
(13) Tridacnin, a lectin from the clam Tridacna maxima was found to precipitate with crude extracts from the house dust mites Dermatophagoides farinae and Dermatophagoides pteronyssinus.
(14) The following lectins were tested: Tridacnin from the bivalve clams Tridacna maxima and Tridacna gigas, the agglutinin from the sponge Axinella polypoides, the lectin from the roach Rutilus rutilus and the plant lectins from Ricinus communis, Ononis spinosa, Glycine soja and Abrus precatorius.
(15) An alkali-stable galactan reacting with the anti-galactans from Axinella polypoides sponge and from the clam Tridacna maxima (Tridacnin) and with Concanavalin A.