Photons can be created freely as long as energy is available.

Photoperiod sensitivity was the major obstacle of using tropical and sub-tropical germplasm in temperate zone.

光周期敏感性是热带、亚热带玉米种质在温带地区应用的主要障碍.

But the photoperiod sensitivity of the tropical and subtropical maize blocked this process.

针对热带亚热带玉米种质这些特点,诱变可以发挥重要的作用.

The pistillody of stamens of 291 S could be induced under certain photoperiod and temperature condition.

291S在一定的光温条件诱导下会出现雄蕊心皮化现象.

The gibberellins interact also with photoperiod in the determination of flowering.

赤霉素也和决定开花的光周期有关.

Photoperiod could affect the nutrient uptake and utilization in maize.

光周期可以影响玉米对养分的吸收及利用.

What is the adaptive significance of photoperiodism during evolution?

在演化过程中生物或植物以光周期适应(环境)之意义为何?

But there were obvious spring and strong photoperiodism spike cultivars . These need to improvement.

近期育成的大穗品种多有明显的春性化、强感光性, 需要加以改进.

The woman presented with photophobia and reduced vision.

该妇女表现为畏光和视力下降.

Severe water stress inhibited photosynthetic quantum yield, carboxylation efficiency, electron transport rate, and photophosphorylation activity.

叶肉细胞光合能力的降低可能是由于光合量子效率 、 化效率 、 合电子传递速率及光合磷酸化活力的下降所致.

The production of ATP from the transport of electrons excitedelectron transport chain is termed photophosphorylation.

由电子传递链偶连产生ATP的过程称为光合磷酸化.

This is more than 75 scleroscope hardness of a plastic, photopolymer plate.

这是肖氏硬度75以上的铅版塑料版 、 平聚版无法比拟的.

An extension of photorealism in which depiction of a subject is indistinguishable from reality.

20世纪末兴起的一种绘画流派.照相现实主义的延伸. 强调对现实的临摹.

We also discuss the implements of texture and light in terrain rendering to achieve photorealism effect.

本文还讨论了材质与光照在地形绘制系统中的作用以及实现方法.

ObjectiveTo observe the ultrastructural alterations photoreceptor in inherited retinal degeneration in rats.

目的观察遗传性视网膜变性大鼠视细胞超微结构改变.

Objective The retinal pigment epithelium ( RPE ) is a vital tissue for the maintenance of photoreceptor function.

目的:视网膜色素上皮 ( RPE ) 是维持视网膜结构和功能稳定性的重要细胞.

This paper introduces a chemically amplified photoresist appropriate for argon ion laser direct imaging.

本文介绍一种氩离子激光直接成像化学增幅感光树脂.

This photoresist have thermal stabilityand high resolution.

该光刻胶具有热稳定性和高分辨率性.

We have developed a method to measure the glass transition temperature of photoresist in situ.

我们研究出了一种方法来测量光刻胶玻璃的过渡温度.

Therefore, organic pigment must to be fine and symmetrical in the photoresist.

因此, 有机颜料必须以微细、均匀的状态存在于光阻剂中.

In the paper diazonaphthoquinone positive photoresist composition for LCD was studied.

文章是有关用于LCD的重氮萘醌系正性抗蚀剂的研究.