他说“我们不知道光照量,合适的波长,照射面积,或者光照时间长短”。
"We don't know the dose of photosynthesizer needed, the proper wavelength of light, the amount of area to be exposed, or the length of light exposure, " he said.
塞弗星温度不高,但是维迪依瑟运行在距它很近的轨道上。天气好的时候光照量相当可观。
Saiph is not a very hot star, but Vedius orbits it rather closely, so that sunlight, when available, is appreciable.
这意味着南半球和北半球会在一年的不同时间段朝向太阳或背向太阳,引起接受的光照量的变化和并产生季节变化。
This means the northern and southern hemispheres will sometimes point toward or away from the sun depending on the time of year, varying the amount of light they receive and causing the seasons.
他们说,这十年中温室气体的排放量一直在增加,进入地球的光照量和地球散热量之间的差距也日益增大。
They said greenhouse gas emissions were rising during the decade and there was a growing gap between how much sunlight was coming in and how much radiation was going out.
开普罗博士说,就算每个楼层的作物都能绕着窗户运行并获得均等的日光照射,作物得到的光照量还是很少的,只能制造出少量的生物质。
Even if each floor rotates its crops past the Windows so that all plants receive an equal amount of natural light, overall they would get less light, and so produce less biomass, says Dr Caplow.
正是日光照射的量引起了兔子皮毛的变化。
It's the amount of daylight that triggers the changing of the hare's coat.
这条黑夜与白天分界线的形状随着季节的变化面变化,它代表着不同的白天时间长度和不同的阳光照射量。
The shape of this line between night and day varies with the seasons, which means different lengths of days and differing amounts of warming sunshine.
仍然低于每年一次普通X光照射的辐射量。
But that's still less than the radiation encountered in normal yearly exposure to X-rays.
热带地区光照资源更丰富——因此更有利于光合作用——这一点可以解释为什么温暖的气候可以产生更多的生物(或生物量,这点为生态学家们所共知)。
That there is more sunlight-and so more opportunity for photosynthesis-at the tropics explains why warm climates create more living matter (or biomass, as it is known to ecologists).
该系统提供了友好的操作界面,如只需输入季节名称、作物名称、温度、湿度和光照强度,系统就可以得出该作物的灌溉量理论值。
For example, the system can give the theory value of irrigation when crop name, sensor name, temperature, humidity and light are inputted.
增加光照虽然能增加含胶量,但愈伤组织增殖倍数降低,杜仲胶生产的总效率以暗培养为好。
Although illumination increased the gutta content, the propagation times of callus decreased; therefore the total production efficiency of gutta was high under dark culture.
而在光照和水分供应充足的条件下,榉树的苗木高、地径平均生长量是庇荫、水分供应相对少的2.8倍。
The height and basal diameter growth with sufficient light and water supply was 2.8 times of seedlings under shady conditions and with insufficient water.
当光照强度不同时,所获生物量不同。
光照对悬浮培养的玫瑰茄细胞生物量无影响。
Light irradiation did not affect the biomass of roselle cell suspension.
为了适应光照强度的变化,通常需要改变积分时间来选择合适的曝光量。
In order to adapt the variational light intensity, it is necessary to change integration time for optimal exposure.
对不同光照条件及叶组织受损程度对植物生物量分配的影响进行了研究。
In this paper, the effects of light intensity and leaf loss on biomass partitioning of plants were investigated.
半定量PCR分析表明,各器官的表达水平差异不大,但在成熟的组织中表达量较低,不受光照和黑暗的诱导。
Semi-quantitive RT-PCR indicated that the expression of PHYB was similar among different organs, but little low in mature organs and independent of lighting and dark.
混合营养培养是一种外加有机碳源作为补充碳源,在光照下培养螺旋藻的新方法,经大量实验证实它能有效的提高螺旋藻的生物量。
Mixotrophic culture is a new method for culturing Spirulina in light with organic compound as supplementary carbon source, which can enhance the cell yield of Spirulina.
幼苗生长缓慢。其一年生幼苗高度年生长量8.5厘米,光照严重抑制幼苗的生长。
The growth of seedlings is very slow, annual height increment of the newborn seedlings is 8.5 cm. And the light has a drastic check on its growth.
在低光照条件下,叶损失植株对叶的生物量分配显著高于高光照下的叶损失植株。
Moreover, defoliated plants partitioned more biomass to leaves at low irradiance than defoliated plants at high irradiance.
所有的人类都需要一定数量的阳光照射,但是这个阳光照射量是根据皮肤所含黑色素的数目不同而不同。
All of us require different amounts of sun exposure depending on the amount of melanin in the skin.
结果表明:随修枝强度的增大,不同处理间作田相应位置的光照强度增强,花生的产量和生物量也随之增加。
Results showed that the stronger the pruning the bigger light density and yield and biomass of peanut were.
低光照,器材简单,维护量小是这种缸的特点,所以说省钱省心,即使你出去旅游了一个礼拜也不要紧。
The lower light and lack of gadgets and maintenance make these tanks much more efficient and cheaper for folks. If you leave for a week, the tank does fine as is. No worry.
采用二步光氯化悬浮法制备了高氯含量的CIPP,研究了氯化温度、通氯量、固液比以及光照时间和方式等对CIPP含氯量的影响。
The process of two step photo chlorination suspension is used to prepare chlorinated isotactic polypropylene (CIPP) with high chlorine content.
该算法和传统色彩量化算法相比,降低了特征向量的维数,计算量小,受光照强度影响较小,提高了检索的性能。
Then we train SVM classifier using visual features such as color, texture, and shape. Experimental results show that this approach can improve precision and recall effectively.
而且,光照不仅加剧上述问题,还留下了它自身的年夜量污染。
And, just to exacerbate the problem, the lights leave plenty of their own pollution as well.
这个着色器(shader)只进行顶点光照,在低端卡提供高得多的吞吐量。
This shader only does per-vertex lighting, giving a much higher throughput on low-end CARDS.
这个着色器(shader)只进行顶点光照,在低端卡提供高得多的吞吐量。
This shader only does per-vertex lighting, giving a much higher throughput on low-end CARDS.
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