| 词汇 | coal-tar |
| 释义 | coal tar noun[ U ] uk /ˈkəʊl ˌtɑːr/ us /ˈkoʊl ˌtɑːr/ a sticky, black substance, made from coal, that is used to make various chemical products煤焦油 Fuels alcohol fuel bioethanol biofuelled biomaterial briquette charcoal CHP coal coalification gasometer go-juice guzzle hickory chips mesquite non-fuel non-petroleum nuclear oil-fired propellant solar panel In cutting off the loose bark, the edges should be made smooth before the coal tar is applied. When dry, the outer layer of cement should be covered with coal tar to prevent cracking. Examples of coal tarcoal tar From there he went on to study the chemistry and technology of dye making, most especially to attempt a general classification of coaltar dyes for staining purposes. It is only a product of coaltar. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Natural phenol is a product of coaltar, which is a by-product of the carbonisation of coal. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Complete particulars of the output of coaltar in this country are not available. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 During the same period the registered imports of coaltar amounted to 3,065 tons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Over a period, the water combines with the coaltar pitch to produce chemicals known as polycyclic aromatic hydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Is it not a fact that the workers handling coaltar have to take special precautions against ill-effects on their health? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 At the same time, a considerable increase has been achieved in the completeness of the extraction of important by-products from gas and coaltar. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Some of the colours in the proposed permitted list are of natural origin, some are synthetic dyes derived mainly from coaltar. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The use of coaltar in jam-making is not advocated nor referred to in the leaflet. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 If a mouse is treated with coaltar once and is then treated again that counts as two experiments. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Polycyclic aromatic hydrocarbons, which are linked to cancer, are to be found in the coaltar lining of many of the older water supply pipes. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We do riot recommend coaltar disinfectants for use in all circumstances in outbreaks of foot-and-mouth disease. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The following statement shows the quantities of intermediate coaltar products used in the manufacture of dyes, etc. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The use of certain coaltar dyes is already prohibited. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 See all examples of coal tar 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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