热耗散
- 网络heat dissipation;thermal dissipation;NPQ
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C3和C4植物的光化学猝灭值差别不大,而C4植物的非光化学猝灭比C3植物高36%~67%,体现了C4植物良好的热耗散能力。
The photochemical quenching value of C_3 and C_4 plants differs little , while the none photochemical quenching of C_4 plant was 36 % ~ 67 % higher than that of C_3 plant , it has a good heat dissipation .
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为了给出计算需要的参数,推导了双试件DWTT法测定热耗散比率的公式。
To determine the parameters required in calculation , the two-specimen DWTT method is deducted to determine the heat dissipation rate formula .
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利用PTC热敏电阻热耗散转速仪的研制
Develop Heat Rate Instrument about the Thermal Resistor of PTC
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甘蓝叶片的光合午休现象是对中午较高温度和高光强的一种适应,PSⅡ反应中心的可逆失活和依赖叶黄素循环的热耗散在防御光破坏方面起着重要作用。
Midday depression of photosynthesis during bright days was the adaptive mechanisms to high temperature and strong light stress .
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设计并制造了井下PTCR热耗散式流速传感器。
We designed and made the entire under-well PTCR heated dissipation velocity sensor .
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锰毒叶片抗氧化系统和热耗散均被上调,而在Mn毒处理的根系中其抗氧化系统并没有被上调,但仍保持高的抗氧化能力。
Both the energy dissipation and the antioxidant systems were enhanced in Mn-toxicity leaves , while the antioxidant systems in Mn-toxicity roots were not enhanced , but still remained high activity .
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利用2005年在赤道太平洋锚系系统TAO上得到的高分辨率、长期观测资料,在惯性-对流子域内通过温度梯度谱的尺度分析估算了热耗散率和湍动能耗散率。
Estimates of dissipation rates of thermal variance and turbulent kinetic energy are made by scaling temperature gradient spectra in the inertial-convective subrange from well-resolved measurements on the equatorial ocean mooring .
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根据PTC电阻-温度特性,研制了热耗散转速仪,并阐述了热耗散转速仪的结构和原理。
Based on PTC Resistance - temperature characteristics , we develop a tachometer on thermal dissipation . In this paper , structure and principle of the tachometer on thermal dissipation are discussed .
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比较而言,在整个高光干旱胁迫期间非光化学猝灭(NPQ)显著的增加,表明热耗散是高光干旱胁迫期间重要的光保护机制。
In contrast , non-photochemical quenching ( NPQ ) increased significantly during drought stress and was the important photoprotection mechanism during drought stress under high light conditions .
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目前,等离子体平板显示器(PDP)存在的主要问题是维持期白光光效过低,功耗过大。很高的热耗散不仅浪费能量,而且影响其使用寿命。
Nowadays the main disadvantages of plasma display panel ( PDP ) are the low luminous efficacy in sustain period and excessively high power consumption , which not only is a waste of energy , but affects the life time as well .
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研究结果表明:1、不同酚酸胁迫对不同杉木无性系Fo、Fm和Fv的影响PSⅡ反应中心的热耗散增加导致Fo降低,PSⅡ反应中心的破坏或可逆失活引起Fo的增加。
The results show that : 1 , Different acid stress on the fir clones of Fo , Fm and FvPS ⅱ reaction center to increase the heat dissipation caused Fo decreased , PS ⅱ reaction center damage or reversible inactivation of the increase caused by Fo .
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缺钾叶片NPQ显著上升,说明钾胁迫下的水稻叶片通过启动热耗散机制耗散过剩的激发能,以减轻因PSⅡ吸收过多光能而引起的光抑制和光氧化从而保护光合机构免受伤害。
We also detected a significant increase of NPQ in the stressed leaves of both cultivars , which indicated that the mechanism of thermal dissipation had been started to dissipate excess light energy , and protect the plants from photo-inhibition and photo-oxidation .
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表明适当增加遮光光质中绿光比例,生姜叶片午间光抑制程度较轻,PSI和PSII间线性电子传递协调性较好,激发能热耗散较低,光能利用效率较高。
Increasing the ratio of green light in light quality could reduce the photoinhibition , make the correspondence of transferring electron between PSI and PSII well , decrease heat dissipation of excitation energy , enhance the light energy utilization efficiency .
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嫩江云杉在轻度的干旱下非光化学猝灭(NPQ)上升表明,嫩江云杉起光保护作用的热耗散提高,红皮云杉这方面的作用不明显。
Non-photochemical quenching ( NPQ ) in Nenjiang spruce increased under slight drought , it indicated that heat disseminates which possess photoprotective effect increased , and this function of Korean spruce was not obvious .
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电子传递速率(ETR)和非光化学猝灭系数(NPQ)随日间光强的增大而升高,表明三叶漆可能通过增强光呼吸和热耗散抵御光抑制、保护光合机构。
They increased in electron transport rate ( ETR ) and non-photochemical quenching ( NPQ ) with strong daytime light , which indicated that they counteracted photo-inhibition and protected photosynthetic structures by increasing respiration and thermal dissipation .
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而低夜温后光照并未导致海桐叶片PQ还原程度增加与光合电子传递速率受阻,叶片吸收光能主要分配于光化学反应和热耗散,未引起PSⅡ反应中心的过剩激发能增加。
However for Pittosporum tobira , low night temperature and light energy did not increase the extent of PQ reduction and block photosynthetic electron transport , the absorbed light energy of leaf was dissipated by photochemistry and heat , so the excess energy of PS ⅱ reaction centers was slight .
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ALA具有促进叶绿素荧光光化学猝灭和非光化学猝灭的双重特性,其中,前者提高了叶片光化学速率,后者增加热耗散量以及提高热耗散速率。
Furthermore , ALA treatment led to both the increase of photochemical fluorescence quenching and non photochemical fluorescence quenching , where the former increased the leaf photochemistry rate , and the latter was associated with the increased energy dissipation via thermal in the antenna and the thermal dissipation rate .
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农业生态系统的水热耗散过程与节水调控
The Process of Water-heat Dissipation and Water saving Regulation in Agroecosystem
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扩展裂纹尖端的塑性热耗散与温度场
On Heat Dissipation and Temperature Field at a Running Crack - tip
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疲劳损伤过程热耗散与微观形貌的同步测量
Synchronized Survey on the Thermal Dissipation and the Microscopic Structure during Fatigue Damage
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行波管阴极组件动态热耗散分析及优化设计
Dynamic Thermal Dissipation of Cathode Module in Electron Gun of Traveling Wave Tube
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不易出现热耗散。
Itis not easy to appear thermal runaway .
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量子寄存器中信息擦除与热耗散
Information Erasure and Heat Dissipation in Quantum Memory
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相变潜热测量的扫描速率依赖性&RbNO3在结构相变中的热耗散
Scanning-Rate Dependence of Transformation Latent Heat & Heat Dissipation of Structural Transition in Rubidium Nitrate
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高频载荷下高强钢的超高周疲劳及热耗散研究
Very High Cycle Fatigue Behavior and Thermographic Analysis of High Strength Steels Under High Frequency Loading
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叶黄素循环除了主要起到热耗散的光保护作用,还有抗氧化作用。
The xanthophyll cycle not only plays the major role in heat dissipation but also functions in antioxidation .
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叶角、光呼吸和热耗散协同作用减轻大豆幼叶光抑制
The co-operation of leaf orientation , photorespiration and thermal dissipation alleviate photoinhibition in young leaves of soybean plants
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对于高韧性钢,塑性功卸载引起的热耗散不可忽略。
For high toughness pipelines , the decrease of heat dissipation caused by plastic work unloading cannot be neglected .
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夜间低温后,遮荫条件下,榕树叶片可通过增强光化学能力和热耗散途径来耗散过剩光能,保护光合机构免受伤害;
And the plant under low light after low temperature at night can protect the photosynthetic apparatus by higher photochemical and non-photochemical pathway .
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从热耗散的角度来看,将液体以射流冲击的形式直接应用于电子器件的冷却,有其独特的优点。
From the aspect of heat dissipation , the liquid directly applied in cooling the electronic devices in the form of jet impingement has its unique advantages .