查询词典 photosynthesis

Sand culture was adopted to study the effects of seawater at different concentrations on the photosynthesis and chlorophyll-fluorescence properties of oil sunflower seedling.

采用砂培法，研究了不同浓度海水对油葵幼苗光合作用和叶绿素荧光特性的影响。

Overall, the plants carrying the sugar-producing genes not only fared better under stressful conditions but also displayed more efficient photosynthesis under normal circumstances. The image above shows rice plants after exposure to drought conditions. The plant on the left is transgenic.

研究人员们还介绍说，他们成功找到了精确控制所添加基因表达的办法，可以让额外产生的海藻糖只限制在作物的根叶等部位，而不出现在供食用的谷粒之中，从而能够消除人们对食用转基因成分的担心。

The field experiments on wine grape in Ningxia Autonomous Region during 2004 and 2005 were conducted to determine impacts of the different light intensities and qualities on photosynthesis and sugar accumulation of wine grape.

根据两年的田间试验资料，分析了不同光质和光强对酿酒葡萄光合速率及糖分积累的影响。

4 Mechanisms of the effects on yield and quality With the application of nitrogen, the chlorophyll content, NRase activity, photosynthesis rate, fluorescence parameters in the ear leaves of spring-sown maize and summer-sown maize were affected dramatically, which could affect the yield and quality of maize.

3.4 不同施氮水平产量和品质差异的生理学基础春夏玉米套作时，施氮处理显著影响春、夏玉米穗位叶叶绿素含量、硝酸还原酶活性、光合速率、荧光参数等，从而影响产量和品质。

The results showed that compared with flat planting,the leaf area, flag leaf function duration, chlorophyll content and the activities of protection enzymes of SOD, POD and CAT in leaves in straw mulching were significantly higher, its malondialdehyde content and over oxidation degree of membrane lipids was lower, the speed of flag leaf aging was slower and the metabolizability was vigorous, which are beneficial to the grain-filling and accumulation of photosynthesis products.

结果表明，覆草栽培叶面积、旗叶功能期、叶绿素含量、叶片保护酶活性(SOD、POD、CAT)显著高于常规栽培，膜脂过氧化程度较低，叶片衰老速度缓慢，代谢强度旺盛，有利于籽粒灌浆和光合产物的积累。

Diaspididae is one of important pests in agriculture, forestry and ornamental plants. It not only pierces and sucks plant sap, destroys plant green organizations, but also pollutes the plant of leaf and fruit surface, affects plant of photosynthesis, leads to the plant of deformities, wither and die when it occurred largely.

盾蚧Diaspididae是农林、观赏植物的重要害虫之一，它不仅刺吸植物汁液，破坏植物绿色组织，而且当它大量发生时常污染植物叶面和果实，影响植物的光合作用，导致植物畸形、枯萎、死亡。

With 4-year-old Vitis vinifera var. Red Globe as the tested material, 4 kinds of shaping modes were set up as FI type, L type, V type and fan type and the mean leaf area, chlorophyll content, photosynthesis rate, Rubisco activity in the leaves on the middle part of grape trees with different shaping modes and their fruit quality were determined and compared.

方法］以4年生红提葡萄为试材，其整形方式设FI型、L型、V型和扇型4种，对不同整型葡萄中部叶片的平均叶面积、叶绿素含量、光合速率、Rubisco活性和果实品质进行测定与比较。

The compound process composed of Photosynthesis bacteria anaerobic treatment, aerobic and flocculation was studied in this paper.

本研究采用光合细菌兼性厌氧+微好氧生化+化学混凝复合工艺对酱油废水进行了处理。

Foliar carbon isotope composition δ~(13C, long-term water use efficiency, photosynthesis, and stomata of different Populus deltoids clones were studied under different water treatments.

该文测定并研究了不同水分处理下，不同黑杨无性系的长期水分利用效率、叶片δ~(13)C、光合作用、气孔及其相互关系。

Efficiency of radiant energy conversion It is possible to calculate the efficiency of photosynthesis.

辐射能转换效率计算光合作用效率是有可能的。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。