与 «DUCKWEED»相关的英语书籍
在以下的参考文献中发现
duckweed的用法。与
duckweed相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Nitrogen Transformations and Removal Mechanisms in Algal and ...
Effective treatment of nitrogen containing wastewater is required to prevent eutrophication and groundwater pollution.
2
Effect of Operational Variables on Nitrogen Transformations ...
There is an urgent need to develop and improve low cost technologies for wastewater treatment.
Julia Rosa Caicedo Bejarano, 2005
3
Performance and Process Analysis of
Duckweed-covered Sewage ...
Duckweed (L. gibba)-covered sewage lagoons (DSLs) are low cost treatment systems, especially in warm climates (or seasons).
Fadhl Ali Al-Nozaily, 2000
4
Synopsis of Biological Data on the Grass Carp, ...
Because of its high-protein content and softness, duckweed (Lemna sp.) proves
to be a highly-nutritious vegetative food for grass carp. In one study, 225-589 g
fish assimilated an average of 65-67 % of the duckweed consumed, including 80
...
5
Wildflowers and Other Plants of Iowa Wetlands
Other common names: Big duckweed, water flaxseed. Spirodela: From the Greek
speira, "a cord", and delos, "evident". Polyrhiza: Meaning "many rooted".
Duckweed family: Lemnaceae Greater duckweed is a common floating plant,
found in ...
Sylvan T. Runkel, Dean M. Roosa, 2010
6
Principles and Practices in Plant Ecology: Allelochemical ...
rate of obscure duckweed as the area of monolayer plant growth which was
directly related to plant fresh weight. The assay has also been used to follow
bioactivity during bioassay-directed isolation procedures (Saggese et al., 1985).
. Inderjit, K. M. M. Dakshini, Chester L. Foy, 1999
7
Eutrophication: causes, consequences and control: Causes, ...
Abstract Over the last 40 years a great deal of research has been published on
the use of duckweed to treat wastewater both from point sources (feedlots, food
processing plants) and from non-point sources. These plants can recover
nutrients ...
Abid A. Ansari, Guy R. Lanza, 2010
8
Biological Treatment Processes: Volume 8
Passing stabilization pond effluent through duckweed ponds was expected to
remove algae owing to reduced light penetration. Duckweed ponds have
revenue-generating potential because the produced biomass can be used as
animal ...
Nazih K. Shammas, Lawrence K. Wang, Norman C. Pereira, 2009
9
Natural Wastewater Treatment Systems
regular facultative or aerated lagoon followed in series by Lemna system
components, including a floating barrier grid to prevent clustering of the
duckweed and baffles to improve the hydraulics of the system. These basic
components are ...
Ronald W. Crites, E. Joe Middlebrooks, Sherwood C. Reed, 2005
10
Plants for Toxicity Assessment: Second Volume
REFERENCE; Wang, W., "Higher Plants (Common Duckweed, Lettuce, and Rice)
for Effluent Toxicity Assessment," Plants for Toxicity Assessment: Second Volume
, ASTM STP 1115, J. W. Gorsuch, W. R. Lower, W. Wang, and M. A. Lewis, Eds.
包含词语«DUCKWEED»的新条目
找出国内和国际出版社所讨论的内容，以及词语
duckweed在以下新条目的上下文中是如何使用的。
Walsh's mount can top the List
Duckweed was touched off by the reopposing From Frost at Gowran Park last month but renews rivalry in the Leo Dolan Memorial Handicap ... «the Irish News, 七月 15»
South Carolina: In search of indigo
... to the call of the white egret, as alligators sun themselves on the neatly cut grass banks beside the duckweed-covered Rice Mill Pond. «The Independent, 七月 15»
New restaurant for downtown Tampa's Channel district
Duckweed Urban Market is planning to open this fal l in the Place at Channelside, across the street from District Tavern. A local developer ... «Tampa Bay Business Journal, 七月 15»
Strain of Duckweed Might Be the Solution to China's Water Pollution …
Other uses to duckweed are being explored by genetic engineers, aquaculturalists and environmental scientists. Cloned and modified ... «Yibada, 六月 15»
GARDENING: Jobs for the weekend
In ponds, continue to remove blanket and duckweed. Don't introducing goldfish into wildlife ponds. • Some conservatory plants such as ... «Shields Gazette, 六月 15»
Common Soil Problems
Duckweed and watermeal are two free-floating plants that can wreak havoc on a pond. These two plants are extremely small (duckweed is 1/8 ... «Brazil Times, 六月 15»
Summer heat can cause algae blooms
Another common problem that creates concern among pond owners is often an infestation of duckweed and watermeal that will completely ... «Lancaster Eagle Gazette, 六月 15»
Chinese biologists find duckweed to tackle water pollution
Biologists have found a strain of duckweed that can effectively purify polluted water and transform nitric oxide into biological fertilizer, ... «Global Times, 六月 15»
Finger Lakes Institute scientist exhibits reluctant optimism on …
... in the park pavilion's lakeside porch where they encouraged passers-by to look through two containers of murky water full of duckweed and a ... «Auburn Citizen, 六月 15»
Flooding in the Essequibo rice areas
Most of the young rice that I saw was infested with duckweed, because it grows very vigorously in standing water. It is a serious aquatic weed in ... «Stabroek News, 六月 15»
