| 词汇 | leached |
| 释义 | leached past simple and past participle ofleach leach verb[ T ] environment specializeduk /liːtʃ/ us /liːtʃ/ [ I or T ] When a chemical substance leaches or is leached from a material, especially soil, it is removed by the action of water passing through the material: 漂洗，过滤（尤指土壤） The calcium, potassium, and magnesium ions are leached or washed out of the top soil into lower inaccessible subsoil.钙、钾和镁离子被滤出表层土壤流入低层土壤却无法被吸收。 [ T ] When soil, etc. has been leached, it has had chemical substances removed from it: （指土壤等）被漂洗，被过滤 The soil has been so heavily leached through intensive farming that it is no longer fertile.过度耕作使养分大量流失导致土地贫瘠。 Removing and getting rid of things abandonment banish be scattered to the four windsidiom bin cast someone/something aside/away/off dumping eradication eradication of something erase erasure evacuate evacuate someone from something scrape shed shedding shoo shrug shrug something off sling turf You can also find related words, phrases, and synonyms in the topics: Physical & chemical processes Removing and extracting Examples of leachedleached In English, many past and present participles of verbs can be used as adjectives. Some of these examples may show the adjective use. Under such conditions, nitrate can be leached and can contaminate the shallow aquifer which is also a source of drinking water. The data may suggest that growing lowland rice during the wet season could reduce the amount of nitrate leached to the shallow aquifer. The iron oxide presumably gets leached out from the surface of the cultivated land. The soil was then leached with 95 % ethanol to remove free salts, air-dried and passed through a 2-mm sieve. Denitrification of leached nitrate accounted for 26-35% of nitrous oxide emissions. Using artificial neural networks and regression to predict percentage of applied nitrogen leached under turfgrass. Analysis of anions leached from rock samples suggests that subsurface pyrite weathering is centered at two zones within the ore body. Table 1 shows the total amounts leached in about 20 pore volumes. Hence, these species will most likely germinate when sufficient salt has been leached from the sediments. The amount leached will be subject to variation in temperature, which drives evaporation and plant growth, and rainfall which affects plant growth and leaching. A parliamentary debate ensued over the specifics of that suppression order, which leached over into a discussion of press suppression more broadly. Another advantage to soil fertility brought by these plants is related to recycling of nutrients that have been leached to deep soil layers1. Potassium dynamics and availability in strongly weathered and highly leached soils in the humid tropics. Rates of basalt chemical weathering have not been measured and the uncertainty of the amounts leached has been mentioned. Some elements of colonial discourse leached unintentionally into the imagining of the village, others were introduced as part of an explicit attempt at appropriation. 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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