What's the difference between catalyst and rate?

Catalyst


Definition:

Example Sentences:

  • (1) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.
  • (2) "If I hadn't scored that goal, I might still have ended up playing in Italy [Platt went on to play for Bari, Juventus and Sampdoria] but, realistically, I'm sure it was the catalyst.
  • (3) Enzymes are good catalysts in terms of high catalytic and specific activity with ability to function under mild conditions.
  • (4) The main aim of this brief contribution is to suggest that our understanding of the general principles of osmochemistry may provide useful insights into the type of mechanism by which solute-translocating catalysts work.
  • (5) Shelby Quast, of Equality Now, said the gathering could be a “tipping point” and act as a catalyst for change, so that girls in the US could finally be protected: “It’s the first time that members of the government are coming around the table to meet with civil society, survivors and members of the diaspora – this is the first step towards putting together a comprehensive action plan to tackling FGM.” Campaigners are calling for the government to look at practical ways that FGM could be wiped out in the United States – such as engaging with paediatricians and other doctors, immigration officers and visa offices.
  • (6) With different oxidation catalysts most antioxidants and amino acids tested enhanced polymerization.
  • (7) The high sites' density with basic character, evidenced by use of various probe molecules, is very similar for the two asbestos types (chrysotile and crocidolite) and on the same order as the density encountered in some catalysts.
  • (8) Fillings were made of Concise composite resin, without applying an intermediary resin (1), after applying the resin layer (2), after diluting the mix with one (3) or two (4) drops of catalyst resin but without an intermediary resin, and after diluting the mix and applying the resin layer (5).
  • (9) Monoclonal antibodies elicited to haptens that are analogs of the transition state for hydrolysis of carboxylic esters behaved as enzymic catalysts with the appropriate substrates.
  • (10) Rapid addition of purines and pyrimidines to alpha, beta-unsaturated carbonyl compounds (such as acrolin) is a general phenomenon which does not require an amine catalyst.
  • (11) Time acts as a catalyst for members to learn to respect and appreciate each other.
  • (12) The resulting solution is directed into tubes containing a catalyst that is activated by UV light and causes the dissolved CO2 to react with water (H2O) to form methanol (CH3OH).
  • (13) Manganese therefore acts as a catalyst for the non-enzymatic reaction, but magnesium does not.
  • (14) When the reaction was done in dimethyl sulfoxide, with 1-methylimidazole as the catalyst, a third compound was observed, and identified as 1,2,4-tri-O-acetyl-3-C-(acetoxymethyl)-3-O-(methylthiomethyl)-D-glycero- tetrito l [3-O-(methylthiomethyl)apiitol tetraacetate] by gas-liquid chromatography and mass spectrometry.
  • (15) Russell also described the Commonwealth Games as a catalyst but was realistic enough not to claim they immediately changed an area with long, deep-rooted problems, or miraculously roused a poor, generally unhealthy local population into vigorously playing sport.
  • (16) The device limits the amount of oxygen entering with the sample to a maximum of 2%, which is rapidly removed by reacting with hydrogen in the presence of a palladium catalyst.
  • (17) The yields of Thf-FU and more especially of Thf2-FU were greatly dependent on the relative amount of SnCl4, and 0.01-0.1 equiv of the catalyst with respect to Me3Si-FU gave the best results.
  • (18) Some officers close to the case believe George and Allen may have always harboured paedophilic thoughts but Blanchard provided a "catalyst" which encouraged them to act out their fantasies.
  • (19) Dusan Tadic was introduced at the break and looked a catalyst for a comeback.
  • (20) These findings may indicate that trace amounts of acidic catalysts remaining after production of IPM are responsible for the toxic effect.

Rate


Definition:

  • (v. t. & i.) To chide with vehemence; to scold; to censure violently.
  • (n.) Established portion or measure; fixed allowance.
  • (n.) That which is established as a measure or criterion; degree; standard; rank; proportion; ratio; as, a slow rate of movement; rate of interest is the ratio of the interest to the principal, per annum.
  • (n.) Valuation; price fixed with relation to a standard; cost; charge; as, high or low rates of transportation.
  • (n.) A tax or sum assessed by authority on property for public use, according to its income or value; esp., in England, a local tax; as, parish rates; town rates.
  • (n.) Order; arrangement.
  • (n.) Ratification; approval.
  • (n.) The gain or loss of a timepiece in a unit of time; as, daily rate; hourly rate; etc.
  • (n.) The order or class to which a war vessel belongs, determined according to its size, armament, etc.; as, first rate, second rate, etc.
  • (n.) The class of a merchant vessel for marine insurance, determined by its relative safety as a risk, as A1, A2, etc.
  • (v. t.) To set a certain estimate on; to value at a certain price or degree.
  • (v. t.) To assess for the payment of a rate or tax.
  • (v. t.) To settle the relative scale, rank, position, amount, value, or quality of; as, to rate a ship; to rate a seaman; to rate a pension.
  • (v. t.) To ratify.
  • (v. i.) To be set or considered in a class; to have rank; as, the ship rates as a ship of the line.
  • (v. i.) To make an estimate.

Example Sentences:

  • (1) Child benefit has already been withdrawn from higher rate taxpayers.
  • (2) There was appreciable variation in toothbrush wear among subjects, some reducing their brush to a poor state in 2 weeks whereas with others the brush was rated as "good" after 10 weeks.
  • (3) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
  • (4) Propranolol resulted in a significantly lower mean hourly, mean 24 h and minimum heart rate.
  • (5) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
  • (6) A study of factors influencing genetic counseling attendance rate has been conducted in the Bouches-du-Rhône area, in the south of France.
  • (7) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
  • (8) Life expectancy and the infant mortality rate are considered more useful from an operational perspective and for comparisons than is the crude death rate because they are not influenced by age structure.
  • (9) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
  • (10) By combined histologic and cytologic examinations, the overall diagnostic rate was raised to 87.7%.
  • (11) In contrast to previous reports, these tumours were more malignant than osteosarcomas and showed a five-year survival rate of only 4-2 per cent.
  • (12) A progressively more precise approach to identifying affected individuals involves measuring body weight and height, then energy intake (or expenditure) and finally the basal metabolic rate (BMR).
  • (13) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
  • (14) Increased infusion flow rate did not increase the limiting frequency.
  • (15) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
  • (16) This clinical improvement was also associated with a decrease of erythrocyte sedimentation rate (p less than 0.001), decrease of C-reactive protein (p less than 0.0001) and with improvement of anaemia (p less than 0.05).
  • (17) This difference is probably secondary to the different rates of delivery of furosemide into urine.
  • (18) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
  • (19) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
  • (20) Male sex, age under 19 or over 45, few social supports, and a history of previous suicide attempts are all factors associated with increased suicide rates.