词汇 | broad-spectrum |
释义 | broad-spectrum adjective medical, chemistry specializeduk /ˌbrɔːd ˈspek.trəm/ us /ˌbrɑːd ˈspek.trəm/ (of a drug or chemical) working against a wide range of bacteria, insects, etc.: Using broad-spectrum drugs can ultimately lead to antibiotic resistance. the overuse of broad-spectrum pesticides对广谱杀虫剂的过度使用 Spraying broad-spectrum chemical pesticides from the air for non-agricultural purposes is now prohibited. The goal would be to eventually develop broad-spectrum drugs that could disable many kinds of viruses. Zinc oxide is a broad-spectrum sunscreen that blocks both UVA (aging) and UVB (burning) rays. There might be something simpler and less broad-spectrum that you could prescribe to treat the condition. Chemistry - general words acceptor aerosol aerosolize allotrope amphiprotic balanced equation chemical equation electrolyte endothermic epitaxial epitaxially epitaxy exothermic inorganic chemistry ionic bond nonelectrolyte nonreactive preatomic reactive reactivity See alsobroad-spectrum antibiotic Examples of broad-spectrumbroad-spectrum Such an approach would be an important step in improving the overall use of broad-spectrum antibiotics and curtailing the development of resistant micro-organisms. Patients with a history of skin cancer should be advised to use a broad-spectrum sunscreen or sunblock with a sun-protection factor of 15 or above. Every 28 days from 4 to 24 weeks of age, all lambs were treated with a broad-spectrum anthelmintic, given according to the manufacturer's recommendation. Again, this delineates it from other benzimidazoles which typically have broad-spectrum activity against a variety of helminth parasites. There can be no broad-spectrum approach to performance without a corresponding broad-spectrum approach to culture (and vice-versa). 10. Importantly, modern anthelminthic drugs have broad-spectrum activity against the common soiltransmitted nematodes. The most common broad-spectrum anthelmintics used were those belonging to the benzimidazoles and probenzimidazoles. This is observed especially in hospitals where antimicrobial resistance is high and patients are managed with broad-spectrum antibiotics [14, 16, 17]. Finally, individual acute care hospitals should develop and implement evidence-based guidelines on the appropriate use of broad-spectrum antibiotics in the acute care setting. The vast majority of the global anthelmintic market value for food animals is generated by broad-spectrum products. Some strong antagonistic effects were observed, but there was no indication of any broad-spectrum biocontrol effect. Others have quoted the incidence in children as 20-40 % of those receiving broad-spectrum antibiotics [16]. In both regions there is a tendency to apply broad-spectrum agents rather than carefully selected agents to treat a specific disease. Such loads may be required for mixed-element, higherfidelity broad-spectrum z-pinches. Collective inhibition of cathepsins using a broad-spectrum inhibitor reduced pancreatic islet cell cancer progression and even regressed well-established tumours. See all examples of broad-spectrum These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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