单词 | Heavy metals |
例句 | (1) The build-up of heavy metals in coastal areas has reached critical levels. (2) The method is particularly appropriate for assaying heavy metals such as lead in blood. 33-36. (3) Other plants sown with the reeds absorb heavy metals and harmful bacteria. (4) Britain also is the largest contributor of heavy metals, copper, cadmium, lead, to the North Sea. 3. (5) Some contamination by heavy metals was detected, notably in the industrial areas of Fife, and also more widely by tin. (6) These multi-color contain lead, mercury, heavy metals and so on, mothers applied, may enter the fetal circulation through the body and affect fetal development. (7) These wastes may contain a plethora of heavy metals, synthetic chemicals, and other toxic materials. (8) Moreover, hookah smoke contains tar, heavy metals and other cancer-causing chemicals. (9) Heavy metals combine with protein and enzyme inside organism after being absorbed, which results in irreversible denaturalization and obstacle of physiological and metabolizable. (10) Meanwhile, the content of heavy metals in Nephrolepis cordifolia increased significantly. (11) Compared with other studies, residue levels of heavy metals in night heron in Wuxi were not harmful. (12) The seed bourgeon, seedling growth, crop yield and heavy metals contents were influenced by contaminated soil. (13) The mechanism of macrobenthos assimilating heavy metals and the effect of biologic and abiological factors to the enrichment content of heavy metals are discussed. (14) The smoke emitted from the chimneys of incinerators contains a cocktail of chemicals and heavy metals. (15) Many governments are very strict about imposing restrictions on the importation of foodstuffs which contain excessive concentrations of heavy metals. (16) Coastal cetaceans not only pick up chlorinated hydrocarbons, but also accumulate other industrial pollutants such as heavy metals. (17) The study was to evaluate the influences on the haematological parameters of carp after short-time exposures to high concentrations of heavy metals. (18) The experimental results showed that ICP-AES method is easy, rapid and exact, its return character is good(Sentencedict), and it can be used in the inspection of heavy metals such as lead and arsenic in amylum. (19) The hazard of flue gases pollutants including acid gases, heavy metals, dioxins from the municipal solid waste incineration is introduced, and control measures for these pollutants product. (20) Mining exploitation is one of the important resources of heavy metals pollution, heavy metals from mining activity migrate with surface runoff easily and pollute vicinal river. (21) The river red water is highly acidic (pH 1.7—2.5) and rich in heavy metals. (22) Bacteria such as Citrobacter sp. harboring phoN, a gene encoding a nonspecific acid phosphatase, have been reported to precipitate heavy metals efficiently. (23) Many pollutants produced from incineration process of MSW, such as PCDD/ Fs , acid gases, CO, particulate, carbon monoxide and heavy metals, were presented. (24) The single-factor evaluation showed that the subindex of quantity was less than 1.0, indicating that the marine organisms in this waters were not obviously polluted by the heavy metals. (25) Results There is a relationship between the contents of heavy metals in rhizome of Pinellia ternate(Thunb. )Breit. and its cultivated soil. (26) Inadvertently, he also lets flame retardants, bunker oil and heavy metals seep into the mighty ocean, and often invasive species too. (27) Cynide Wastewater containing high concentration of 3%cynide and a variety of heavy metals is usually produced in the electro-plating and metal finishing processes. (28) Zero-valent iron is cheap and easy to get, and can effectively remove heavy metals including uranium in groundwater. (29) As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium. (30) The results show that saponin has a stronger fixing capacity for heavy metals, and has the same fixing efficiency as thiourea and tertiary sodium phosphate. (31) This study also shows that the repeated extractions are valid for extracting heavy metals in organic associated mode in coal and coke. (32) To assess the pollution of heavy metals and metalloid in soil along road. (33) Results:The main ingredients with reproductive toxicity are alkaloids, glycosides, toxoprotein, animal toxins, phenols, heavy metals etc. (34) Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals. (35) Lysosome and cellular plasmid are activated to restrain activity of heavy metals. (36) S. soldiers in Iraq also must contend with air that's laden with heavy metals and lung-ravaging particles(), researchers reported March 30 at the spring meeting of the American Chemical Society. (37) All the components that make up the coffee, and all the impurities, etcetera. cadmium, heavy metals, arsenic, whatever is in your coffee. (38) From the aspect of material transportation and cycling in terrene-lake system, wetland is the buffer area where sand and mud, heavy metals, pollutants and nutrients are carried. (39) Some, such as the short-rotation willow coppice, will decontaminate soil that has been polluted with wastewater or heavy metals as it grows. (40) Earthworm as one of universal invertebrates in soil, its acts including food-intake, burrow and excretion can influence the activity of heavy metals. (41) The dust contained a toxic mix of chemicals, including highly alkaline particles from pulverised concrete, asbestos and heavy metals from thousands of computers and lights. (42) In addition, heavy metals mainly accumulated in the root of gerbera, and the different of content of heavy metal in root and leaf was unremarkable. (43) The breakthrough curves for heavy metals of solidification sludge were obtained by flexible-wall permeameter and the hydrodynamic dispersion parameters were acquired by genetic inverse method. (44) Chemical speciation of seven heavy metals of fly ashes in incinerator was quantitatively tested using ICP - AES . (45) This crude oil decalcification technology makes the electric desalting process capable to remove the alkali-earth metals and part of the heavy metals in addition to the alkali metals in crude oil. (46) Dust emission of Refining Works of Yunxi Group has becomes one of the main sources of heavy metals. (47) Heavy - metal contamination By heavy metals or their compounds caused by environmental pollution. (47) try its best to collect and build good sentences. (48) Methods: Flos Lonicerae from various areas of Henan province in its content of chlorogenic acid, ash, acid-insoluble ash, arsenate and heavy metals was determined with HPLC. (49) It is found that there is a close relationship of the acid producing capacity and heavy metals release of tailings with the ore composition and floatation technology. (50) Microbial bioremediation technique has been showing extensive prospects for use in soil contaminated with heavy metals. (51) Heavy metals including Pb and Cd in Pearl powder were determined by GFAAS. (52) Pharmacopeia method was used in water soluble extractives and limit test for heavy metals and total ash and acid-insoluble ash to test the quality in Lumbricus from different origin. (53) Effects of bone char on uptake and accumulation of heavy metals by three rice genotypes (Oryza sativa L. (54) In treated groups, the dead number and the death rate of S. henanense were both increased with the rising of the concn . of heavy metals and the prolonging of the treating time. (55) Nickel was used as a natural refference element, the distribution and pollution of some heavy metals in the surficial sediments of Honghai Bay were discussed by means of "element relation chart". (56) Poultry dung is deodorized by a biological bacterium technology to kill the ascarid eggs in the poultry dung, decompose organic matters, and degrade heavy metals to volatilize. (57) Real rock culture can be extracted at a microfilm of the whole picture: hip culture, art rock, punk music, music pioneers, such as heavy metals. (58) Plants growing in the combined red mud and lime treatment had the highest concentration of tissue heavy metals. (59) The plants growed in the soil polluted with heavy metals could alleviate the heavy metal poison by accumulation of proline and reduction of antiscorbutic acid content and so on. (60) The removal of heavy metals sewage sludges is a problem that is exigent to be solved. (61) This article studied the synthesis of pillared bentonites , shaping, and the adsorption of trace heavy metals and organic compounds in water. (62) The trend in total contents of heavy metals and the assimilable heavy metals in pig manure composting of using different bulking agents and aeration modes have been analyzed. (63) This is a hydroxy-apatite derived from bone char. It is very effective for the removal of heavy metals. (64) But the surface of overglaze ceramics is uneven. Overglaze ceramics have exceeded risks of heavy metals. (65) Objective To investigate relationship between the contents of heavy metals in rhizome of Pinellia ternate (Thunb. )Breit and its cultivated soils. (66) Effects of bone char on uptake and accumulation of heavy metals by three rice sativa L. (67) Heavy metals, such as iron and lead, make good gamma - ray shields because of their high density. (68) Effects of concentration of solids in liquid manure and amount of mixed sulfur bacteria liquid inoculated on bioleaching of heavy metals from pig manure were studied. (69) The invention belongs to the field of chemical engineering, specifically relates to a method for removing ferrum and heavy metals during manganous sulfate solution preparation. (70) The most concerned heavy metals leading to contamination are Hg, Cd, Pb and metalloid as which all have apparent biology toxicity. (71) The geochemical behaviour of heavy metals in river and its effect on shallow aquiferous system of both sides of the river are studied by theoretic calculation and experiments. |
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