英语人>网络例句>气孔的 相关的搜索结果
网络例句

气孔的

与 气孔的 相关的网络例句 [注:此内容来源于网络,仅供参考]

M porous structure confirms transmission of body fluid of human body and ingrowths of mineral and fiber tissue, then made it firmer combine with around tissue of human body and the commutative pores was favourable for affusion of bioactive HA.

本实验采用东北大学陶瓷研究所研制成功的由Ti粉和Ni粉为主要原料,采用TiH_2和NH_4HCO_3作为造孔剂,通过粉末冶金方法制备的多孔NiTi合金,并采用真空灌注羟基磷灰石的方法取得的种植体的新材料,在添加TiH_2做为造孔剂的基础上在Ti:Ni原子比为50%:50%的试样中添加NH_4HCO_3做为第二种造孔剂后,试样中的气孔经检测是由100~500μm的大孔、1~50μm小孔和1μm以下的微孔组成,产生了合理的粗化表面并同时得到了固位良好的生物涂层。

Scientist: The point is that the worlds soils are a very large reservoir of carbon and two things can happen you can either manage it so they get bigger and therefore lock up carbon, or mismanage it so that pore gets smaller and in fact you release carbon and add to the CO2 in the atmosphere and it works both ways.

科学家:我们要指出的是,地球上的土壤是一个巨大的碳储存库,有两种情况会发生,一方面我们正确的利用它,增加它的容量以达到固碳减排的目的,另一方面我们的错误做法会使土壤中气孔变小,造成碳释放,增加大气中的二氧化碳含量,事实上这两种情况是同时存在的。

This paper made a systematic research on Lonicerafulvotomentosa Hsu et S.C. Cheng, which grows well inkarst areas, from its biological characteristics, such asmorphology, growth and physiology. The main conclusions asfollows:(1)From the viewpoint of morphological anatomy, it hastypical xerophyte structures such as well-developed epidermisand tissues that transport water effectively, small leaf area,dense floss under the leaf surface, high stoma density, thesmall opening degree, thick cuticle, well-developed xylem andpalisade tissues, etc. The pollen of L. fulvotomentosa isseems to be spherical, and has 3 grooves, much bulge on theepidermis evenly. The shape of pollen is an important featureon taxonomy. The ripe fruit has from 1 to 18 seeds, some fruitbranch has 135 berry, its diameter is up to 0.8 centimeter.(2)From the viewpoint of growth, L.

本文从形态解剖、生长发育的节律、光合生理特性以及种子萌发生理等生物学特性方面对喀斯特适生经济植物黄褐毛忍冬进行了较为系统的研究,得出以下结论:(1)在形态解剖上,黄褐毛忍冬根茎中含有发育良好的周皮和输导组织,导管密度大,横截面宽,周皮的形成具有节制蒸腾、通气作用和保护组织免受外界环境影响的作用,宽的导管对水分的输导效率高;叶片密被绒毛,面积较小,气孔密度大、开度小,厚的角质层和发育良好的木质部和栅栏组织等是典型的旱生结构;黄褐毛忍冬花粉近球形,具3 孔沟,表面具均匀分布的小刺,刺间具网状纹理。

In addition, like ascorbic acid, an important reducing substrate for H2O2 removal, but unlike diphenylene iodonium, an inhibitor of the H2O2-generating enzyme NADPH oxidase, PD98059 and TFP not only reduced exogenous H2O2 levels in guard cells in light, but also eliminated the H2O2 that had been generated during a dark period and promoted stomatal opening.

另外,和H2O2的产生有关的NADPH氧化酶的抑制剂二苯基碘的作用效果不同,而和H2O2的清除剂抗坏血酸的作用效果类似,PD98059和TFP不仅能够降低光下保卫细胞的外加的H2O2水准,而且还能清除由黑暗条件诱导的已经产生的H2O2,并能引起气孔开放。

The melting point of the pure periclase magnesia is 2,800℃, some impurities may reduce the melting point of the magnesia , borides influence is extremely remarkable.

纯净的方镁石型氧化镁的熔点为2800℃,一些杂质可使氧化镁的熔点降低,其中硼化物的影响极为显著,即使是少量的硼化物(0.01%-0.02%)的存在就将导致氧化镁的抗蠕变性能明显降低,而B2O3在高温时的气化能够造成氧化镁材料的气孔率增大,严重影响其高温强度,故镁砂降硼是非常重要的。

Leaves glossy deep green adaxially, narrowly linear-lanceolate, straight or slightly falcate, 0.8-6.5(-7) cm × 1.5-5 mm, midvein green abaxially, 0.3-1.2 mm wide, flat with median longitudinal keel throughout, stomatal bands present on both surfaces, bands on adaxial surface 0.5-1.5 mm wide, of 7-28 rows of stomatal, white powdery or not, bands on abaxial surface 1.2-2.8 mm apart, 0.3-0.8(-1) mm from leaf margin, not or rarely white powdery, base decurrent, margin denticulate, sometimes indistinctly so, especially on old trees, with 18-55(-90) teeth per side, apex usually symmetric and spinescent, spine 0.3-2 mm. Pollen cone fascicles terminal, 1-3(-5) together, broadly obovoid, each of 8-20 cones, occasionally a few also around base of seed cone; peduncle 2-4 mm; cones narrowly oblong-conical.

正面的叶有光泽的深绿色,披针形狭线形,直的或稍镰刀形, 0.8-6.5(-7)厘米×1.5-5毫米,中脉绿色背面,全部的0.3-1.2毫米宽,平的具中间的纵向的脊,气孔带宿存在两面,在正面0.5-1.5毫米宽上条纹状,7-28排stomatal的,与否白色粉状,相隔1.2-2.8毫米的条纹状的在背面,从叶缘的0.3-0.8(-1)毫米,白色敷粉的或很少的不,基部下延,边缘具小齿,有时不清楚如此,特别是在古树上,具18-55(-90)齿每边,先端通常对称和具刺,刺0.3个-2毫米雄球花束簇终端,花序梗2-4毫米;圆锥形孢子叶球狭长圆形。

Especially for the fluid containing sand, cutting may damage the sealing surface 5, soft sealing gate valve of the operating temperature limits by sealing material Valve When the need for good throttle Cast Gate, Globe, Check Valves control (such as control valves or bypass pipe had a small vent), the stop valve is the most appropriate Ball When the operating temperature between-29oC to 200oC, most manual valve suitable for hydrocarbon and utility systems operations, the use of the ball at 100oC above, applications should be carefully considered when the temperature of the soft sealing material limit should be more than 100oC.

尤其对于含有砂的流体,旋塞阀节流会损坏密封表面5、软密封闸阀的操作温度受密封材料的限制截止阀当需要好的节流控制(如控制阀的旁通管路或有小的排气孔)时,截止阀是最合适的球阀当操作温度在-29oC至200oC之间时,大部分手动球阀适应于烃及公用系统的作业中,在100oC以上使用的球阀,应用时要仔细考虑软密封材料的温度限制应该在100oC以上。

The design of the dry-dock falling gate"s structure is researched, and integrates the disquisitions and analysis on the dynamic characteristics about dock gate, in order to make the cabin design more visualizing.(2) The emphasis of this paper is the influence of the water hole and gas hole in the tidal cabin and the influence of the drain of the air-operated cabin.(3) In this paper, the building method of the dry-dock falling gate"s parametric model is studied and the dynamic analysis is accomplished in ADAMS, furthermore, the rising-and-falling angle curve is drawn while the dry dock gate is rising and falling.(4) The paper is based on the apprehension of the past theories and researches about air-operated dry-dock falling gate, and is explicated by hydraulic rationales and rising-and-falling mechanical principles. This software is developed by inner programming language in ADAMS and VC. This design could shorten design cycle.

1研究了气控式干船坞卧倒门的结构设计,整合对卧倒门在海水中运动中的动力特性研究,使卧倒门的设计,特别使其舱格设计更具可视化;(2)重点讨论潮汐舱水孔气孔对卧倒门水上运动的影响,空气操作舱充排水对卧倒门运动的影响;(3)研究了气控式干船坞卧倒门仿真模型的参数化方法和过程,并在ADAMS中完成了系统的动力学分析,绘制出了卧倒门在起卧过程中的运动特性曲线;(4)通过对已有的气控式干船坞卧倒门的实验成果和成形理论的解读,在理解其起浮和卧倒机理基础上,应用VC和ADAMS二次开发语言进行设计软件开发,定制了友好的用户化中文人机交互界面,使设计人员可以方便快捷地对卧倒门门进行设计开发,缩短了设计周期。

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。

In summary, various key experimental conditions in electron acoustic imaging of ferroelectric domains were systematically studied. The optimum experimental conditions to obtain EAI of domains with good quality and the factors important to image analysis have been presented. The piezoelectric vibrator model and calculation of motion equation are helpful for explaining the imaging mechanism and related experimental phenomena. The sample holder with variable electric field was designed. The domain movement of BaTiO〓 ceramics and crystal under lateral and longitudinal applied electric field and domain movement of PMN-PT crystal under longitudinal poling electric field were observed. The application of SEAM on revealing of ferroelastic domains, imaging of residual stress distribution in ceramics coatings and around the pores on the surface of ferroelectric ceramic composite have been reported respectively. All these works enriched the study of electron acoustic imaging and extended the application of SEAM in the characterization of materials.

综上所述,本文系统地研究了各项关键实验条件对电畴电声成像的影响,指出了获得最佳畴结构电声像的条件和成像分析中应当考虑的各种影响因素;提出了解释电畴电声成像的压电振子模型,在此基础上推导并求解了压电振子运动方程,并对一些实验现象作出了解释;成功地设计了可变电场的样品台,观察了BaTiO〓陶瓷和晶体在横向电场作用下的畴运动,PMN-PT晶体在纵向极化电场作用下的畴运动;探索了电声显微镜在铁弹畴成像,陶瓷涂层应力观察,陶瓷自然表面气孔周围应力成像的应用,这些研究,丰富了电声成像的学术内涵,拓展了电声显微镜的应用领域。

第55/56页 首页 < ... 48 49 50 51 52 53 54 55 56 > 尾页
推荐网络例句

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。