reduction of area
英 [rɪˈdʌkʃn ɒv ˈeəriə]
美 [rɪˈdʌkʃn əv ˈeriə]
网络 断面收缩率; 断面缩率
双语例句
- Reduction of contact area between cohesive soil and the surface of dredging tools is able to decrease soil adhesion and cutting resistance.
降低粘性土壤对刀齿表面接触面积可以减小土壤对刀齿的粘附和降低刀齿切削土壤的阻力。 - Under low packing density, convection is significant in shell-side flow, which is preferable for the reduction of dead zone area and the higher utilization of contacting area.
较低的封装分率下，组件壳程对流作用明显，有利于减少死区，充分利用膜接触面积。 - There are many factors leading to the declining of the agricultural production capacity of China in recent years, and the main reasons are the reduction of farmland area, the lowering of farmland quality and the function declining of irrigation and drainage projects.
导致我国农业综合生产能力下降的原因很多，但耕地面积减少、耕地质量下降和灌溉排水基础设施效益衰减是主要因素。 - Method for Quick Calculating Reduction of Area for Round Wire
圆形钢丝断面收缩率的快速计算法 - The reduction of area and fracture toughness increase with decreasing the content of Ti ( C, N) in maraging steels.
马氏体时效钢中Ti（C、N）含量的增加会降低其断裂韧性与面缩率。 - The results show that with increasing the solution temperature, the austenite grain size increases, and strength decreases, while elongation and reduction of area have the small variation.
结果表明，随固溶处理温度提高，奥氏体晶粒尺寸增大，强度降低，延伸率和断面收缩率变化不大。 - With the increase of the thermal cycling, ultimate tensile strength of the TC4 containing hydrogen increases, and the reduction of section area and impact strength decreases.
随着冷热循环次数的增加，含氢TC4钛合金抗拉强度上升，断面收缩率和冲击韧性下降。 - The adsorption capacity was increased because of the action of catalyst at the low metal weight, while it was reduced because of the reduction of surface area at the high metal weight.
在低负载量时，由于催化剂的活性作用，活性炭吸附容量有所增大，而高负载量时，比表面积的下降起控制作用，活性炭吸附容量减小。 - Diversified change studies of the soils of the vegetable base: This study of the text are that land use change way cause reduction of soil area and soil type, it probe into the soil type distribute pattern and development trend because of land use change.
蔬菜基地的土壤类型多样性变化研究本文主要是对研究区域内土地利用方式的改变而造成土壤面积的减少和土壤类型多样性的变化，以此探讨土地利用变化下土壤类型分布格局与发展趋势。 - The results showed that percentage reduction of area, percentage elongation and impact toughness decrease evidently with addition of trace amount of tin, but the strength and hardness increase slightly.
试验结果表明，微量锡的存在，使高速钢的断面收缩率，伸长率及冲击韧性明显下降，而对其强度和硬度影响不大。 - The distribution of reduction of area in twice cross-wedge rolling
楔横轧工艺两次轧制时断面缩减率的分配 - The left ventricular systolic and diastolic function was improved among the patients received MBMCS transplantation, the reduction of MI area and the increase of ratio of myocardium nuclide ingest were observed in the same group.
给予细胞移植的病人，左室收缩和舒张功能得到不同程度的改善，心肌梗死面积减小，心肌核素摄取比值增加。 - The test results showed that brittle region ( reduction of area ≤ 60%) of the medium carbon Cr-Ni-Mo steel was 910~ 700 ℃ and its plastic region was 1 320~ 910 ℃.
试验结果表明，中碳Cr-Ni-Mo钢的脆性区（断面收缩率≤60%）为910～700℃，其塑性区为1320～910℃。 - Discussion about Lightning Protection and Disaster Reduction of Rural Area around Huzhou
浅谈湖州农村地区防雷减灾工作 - The sharp reduction of the area of farmlands is directly caused by sharp population growth and rapid development of primary industry, and enlargement of the area of orchards is mainly brought about by the development of primary industry.
人口的增长和第一产业的迅速发展是造成耕地面积大量减少的直接原因。果园面积的增加主要是由于第一产业的发展。 - The results showed that this disease reduced yield mainly due to the reduction of leaf area, increase of respiration and decline of net photosyn-thetic rate.
结果表明，大豆灰斑病使大豆光合面积减少、呼吸消耗增加、植株净光合生产率下降，导致百粒重和产量降低； - Reduction of RBC area, circumference, diameter, and spherical diameter of rats were only induced by IDA and exercise under IDA.
红细胞面积、周长、直径和球径仅在铁缺乏情况下缩小； - Influence of Small Reduction of Area on Frequency-Temperature Relationship of Constant-Elasticity Fe-Ni Base Alloy in Cold Drawing
小减面率冷拔对Fe-Ni基恒弹性合金f-t曲线的影响 - It is shown that both the yield strenth and tensile strength of axle steel will increase and the elongation and the reduction of area will decrease with the increasing of the strain rate.
结果表明，随着应变率的增加，车轴钢的屈服极限、强度极限提高而延伸率、截面收缩率下降。 - The conflict between the reduction of farmland area and increase of corn demand was more and more serious. We must take measures to increase maize unit area yield.
随着我国耕地面积的减少与玉米需求量增加之间的矛盾的加剧，必须采取措施来提高玉米的单位面积产量。 - Currently, there is a serious waste of land resources, decline in soil quality, reduction of farmland area, pollution of waters, lack of public active space, poor quality of afforestation and as well as many other problems.
结合调查发现，当前城乡绿色空间存在诸多问题，如土地资源浪费严重、土质下降、农田面积减少、河流水质污染、公共活动空间缺乏、绿化质量低下等。 - Current development of urbanization in China is facing serious challenges: land resource in short supply, rapid urban population growth, reduction of green area, traffic congestion, intensifying energy consumption, environmental pollution, increase in living house price and so on.
当前我国城市化发展面临着严峻挑战：土地资源紧张、城市人口激增、绿地面积锐少、交通状况堵塞、能源消耗加剧、环境污染加重、居住房价上涨等问题。 - Investigation indicated that, more than 90% of the citizens think the reduction of farmland area will influence their life for the future indirectly or directly, 66.77% of peasants think confirm the existence of the farmland non-market value.
调查发现，90%以上的城市居民认为农地面积的减少会间接或直接影响他们以后的生活，66.77%的农村居民认同农地的非市场价值。 - The plasticity index of elongation and the reduction of area continue to fall.
塑性指标断后延伸率和断面收缩率有所下降。 - The degradation caused by steel bar corrosion includes reduction of cross-sectional area, decrease of mechanical properties of steel and bonding between steel and concrete.
钢筋锈蚀主要引起钢筋截面积减少，钢筋的力学性能下降，混凝土保护层开裂甚至脱落以及钢筋与混凝土之间的粘结性能退化。