Chlorophyll is produced by the action of light on the plants'leaves.光对植物的叶子发生作用从而产生叶绿素.The disease causes varying degrees of destruction of the chlorophyll.这一病害使叶绿素遭到不同程度的破坏.The structure of the chlorophyll molecule...
Discrimination technology for bacillariophyta and pyrrophyta was established by chlorophyll fluorescence excitation spectra of phytoplankton.基于浮游植物活体叶绿素荧光激发光谱建立了硅藻和甲藻的识别测定技术.Bacteriochlorophyll Any of several types of ch...
The weather forecast is for showers and overcast skies.天气预报上说多云并伴有阵雨。To make extra certain, a police helicopter kept watch from the skies.为确保万无一失，一架警用直升机一直在空中警戒。He searched the skies for enemy bombers.他在空中搜寻敌军轰炸机。...
流腮病毒可自唾液及尿中分离出来, 患脑膜炎时, 病毒则可来自脑脊髓液.Mumps virus can be isolated from saliva, urine, and, in meningitis, from the cerebrospianal fluid.她接受了 抗 结核药治疗和脑脊髓液引流手术.The patient received anti - tuberculous drug therapy and underwen...
碟形卫星天线的定向性非常强。Dish aerials are highly directional.雷最近编制了定向性量表, 它可以较好地预言支配行为.More recently Ray developed the Directiveness Scale, which is well able to predict dominant behaviour.采用了超声的方法来切短露头于AAO范本的纳米碳管,增加纳米碳管膜的定向性.Sonic...