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气孔

与 气孔 相关的网络例句 [注:此内容来源于网络,仅供参考]

Cutin A group of substances chemically related to fatty acids forming a continuous layer called the cuticle on the epidermis of plants, interrupted only by stomata or lenticels.

cutin 角质:化学组成上类似脂肪酸的一类物质在除气孔,皮孔以外的植物表皮上形成连续的角质层。

The net photosynthetic rate,stomatal resistance,concentration of CO2 in diachyma cell,transpiration rate,absorption rates of light by leaf,and chlorophyll contents were determined to study the physiological compensation effects of nitrogen fertilizer on winter wheat under the condition of water stress caused by various deep lysimeters.

李生秀 ,田霄鸿,李世清利用不同深度渗漏池供水差异所造成的水分胁迫,分期测定冬小麦叶片的净光合速率、气孔阻力、叶肉胞间CO2浓度、蒸腾强度、叶绿素含量和叶片吸光强度,研究养分对小麦水分胁迫的生理补偿效应。

At the University of Sydney, in Australia, Steve Manos used an evolutionary algorithm to come up with novel patterns in a type of optical fibre that has air holes shot through its length.

在澳大利亚的悉尼大学,史蒂夫·马诺斯使用了&进化式运算法则&设计出了一种光学纤维的新颖的样式(这种纤维的整个长度面都布满了气孔)。

Jean de marle montague and bule bell had high net photosynthetic rate P(subscript n, transpiration rate T(subscript r and stomatal conductance G(subscript s, and showed high photosynthetic and potential productivity. The two cultivars also had low light compensation point and high light saturation point, showed high capacity for using light.

品种红粉玉蝶、井岗紫霞具较高的净光合速率、蒸腾速率和气孔导度,表现出较高的光合作用能力和生产潜力;同时这2个品种又有较低的光补偿点和较高的光饱和点,表现出较强的弱光利用能力和强光利用潜力。

Mechanisms and significance of microfracture s generated by microwave heating in sandstone reservoirs;2. There are many kinds of microfracture s which play an impor- tant part in connection of the pores in a reservoir and denudation of vugs,and enhancing reservoir permeability.

Y气田Z组火山岩储层孔隙结构复杂,基质孔隙间连通程度差,属于典型的低孔低渗储层;微裂缝种类多,在连通储层气孔和溶蚀孔洞、增强储层渗透性方面起着非常重要的作用,但识别和评价相当困难。

The study results showed that the porosity, pore size, pore distribution and crush strength can be adjusted by the alternation of addition and powder size of pore-forming agent, the variating of addition of binding admixture, sintering temperature, holding time, forming method.

研究发现,改变成孔剂的加入量、粒径大小,粘结剂的加入量,坯料颗粒大小、成型方式,烧成温度、保温时间等方法可以调节样品气孔率、孔直径、孔径分布、压碎强度。

A new study idea that makes the occupant injury prevention research and CAD/CAE technology on an integrate mathematical model by means of feature theories and feature design technologies was brought, and it is maybe useful if we study automobile passive safety on a new view of point.The conclusions of this thesis included that what are the main factors of airbag-related injuries and the preventive measures, based on the research of the relationships between injury parameters, such as HIC, chest acceleration, neck force, neck moment, femur axial force etc, and impact speed, belt-use, occupant size (50th and 5th), sitting position and so on. The thesis evaluated whether the effectiveness of the airbag can be increased by making the airbag adaptive to the crash conditions, and points out that the size of the ventilation hole has the dominating influence on the performance of the airbag and is a key factor for intelligent airbag, multi-stage and lower-power inflator can cost effectively minimize the risk of injury to occupants from crashes. It is important for the researchers of intelligent airbag to keep the small size unbelted occupants in focus and it is necessary to study deeply the influence of airbag fold patterns and the extremity out-of-position situation. These topics are important in the study of occupant injury prevention and vehicle safety design.

论文研究得出产生气囊损伤的主要原因和防护措施;在研究汽车碰撞速度、安全带使用情况、乘员的体型5~(th和50~、乘员乘坐的位置等不同事故条件作用下,乘员的头部、颈部、胸部和腿部损伤参数变化规律的基础上,论文从能量因素出发,深入研究了安全气囊卸载能力、气体发生器产气能力和气囊折叠对乘员损伤参数的影响,指出起卸载作用的排气孔其截面积是智能型安全气囊最重要的控制参数之一,以及采用降能展开或二次充气气囊有助于提高汽车安全防护性等重要结论;论文在参数分析的基严内容提要2 础上得出的智能型安全气囊应以不佩戴安全带的5乘员作为主要防护目标进行研究、有必要深入研究气囊折叠形式和司机处于极端离位状况时对损伤参数的影响等结论,对深入进行汽车乘员碰撞损伤研究和汽车安全性设计都具有重要的理论和工程实际意义。

Annual production capacity of 200,000 pieces of their products with "no pores, trachoma" characteristics.

年生产能力200000余件其产品以&无气孔、沙眼&的特点。

Photosynthetic rate P(subscript n, transpiration rate, stomata conductance G(subscript s, active photosynthetic radiation, relative air humidity, air temperature and water use efficiency of three tree species Platycladus orientalis, Pinus tabulae formis, Tamarix chinensis were measured with a portable LI-6200 gas analysis system under natural conditions in the mountains adjacent to Lanzhou City.

利用LI-6200便携式光合测定仪对兰州市南北两山侧柏、油松、柽柳等3种绿化树种在自然条件下的光合速率P(下标 n、蒸腾速率、气孔导度G(下标 s、光合有效辐射、空气相对湿度、大气温度和水分利用效率进行了测定。

This paper has made systematic research about characteristics of soil water dynamic changes, water deficit of the root-zone of pear-jujube tree with regulated deficit irrigation, physiological control in the process of the water use and the stomal response mechanism of pear-jujube tree under the water deficit environment, and the effects of different deficit irrigation levels at different growth stages vegetative growth and repproductive growth of pear-jujube trees, and also its regulation mechanism.

针对西北半干旱区果业生产面临水资源紧缺的现实,论文以该区特色经济果树梨枣树为研究对象,在西北农林科技大学旱区农业水土工程教育部重点实验室、陕西省大荔县城关镇梨枣园分别开展了温室与大田试验,对调亏灌溉的梨枣树根区土壤水分动态变化特征、水分亏缺与复水环境下梨枣树用水过程、生理调控与气孔响应机理、不同生育期不同水平亏水处理对营养生长与生殖生长的影响及其调控机制等进行了较系统的研究,分析了各生育期不同亏水处理对梨枣耗水规律、产量、品质、作物系数、水分利用效率及经济效益的影响,取得了以下成果:⑴通过亏水处理与复。。。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。