The Antarctic ice sheet, which contains 90% of the world's ice, has lost significant mass in the past few years. 占有全世界冰川总量90%的南极洲冰层主体在过去几年里显著萎缩。
With time and pressure from above, the many small ice grains joined and changed to larger crystals, and eventually the deeper crystals merged into a solid mass of ice. 在时间和压力的作用下,许多小冰粒结合到一起变成更大的晶体,最终较底层的晶体合并成庞大而坚固的冰块。
And trapped inside the crystals of ice are individual molecules of mass. 单个分子连接在冰晶体之间,那就是自然的气体。
The Inversion of Ice Mass Change in Greenland Ice Sheet Using GRACE Data 利用GRACE数据反演格陵兰冰盖冰雪质量变化
Antarctic ice mass loss from gravity satellite 卫星重力用于南极冰盖物质消融评估
A large block of ice broke away from the main mass. 一大块冰从主体分离出来。
They should not bring much rise in the sea level, since floating ice obeys Archimedes's principle and displaces its own mass of water. 海平面不会大幅升高,因为浮冰遵循阿基米德定律,排开的海水量与自身的含水量相同。
Among the station's missions will be the measuring of the Antarctic ice sheet's mass, a surveying of the microorganisms in the area, and geological research. 该科学考察站的任务包括测量南极冰盖的质量,调查该地区的微生物以及地质研究。
A large number of project experience have shown that thermal stress and ice expansive pressure are the primary factors which cause mass concrete aqueduct to crack and wreck. 大量工程实践证明,温度应力、冰膨胀力是引起大体积混凝土渡槽结构出现裂缝和发生事故的主要原因。
Others, though they disagree about the reduction of ice mass, say that the losses are unlikely to cause the feared water shortages. 尽管其他一些人在冰的质量减少方面没有一致意见,他们说这种减少不太可能导致人们担心的缺水。
However, in northern Pakistan, glaciers are advancing in terms of the snout position and probably also in terms of ice mass. 然而,在巴基斯坦北部,从冰川鼻的位置考虑,或许也包括从冰川质量方面考虑,冰川正在前进。
Thus scientists are keen to understand if the Danish-owned Arctic island ( Greenland map) is losing more ice mass through melting and discharge of glaciers than it is gaining from fresh snowfall. 因此科学家们非常了解一旦居住着丹麦人的北极极地的冰雪越来越多地消融掉,那么通过新的降雪所获得的雪量相比之下是非常少的。
A huge mass of ice slowly flowing over a land mass, formed from compacted snow in an area where snow accumulation exceeds melting and sublimation. 巨大的冰块(由于一个地区雪的积累量超出了融化和升华量而形成的结实的雪形成)在巨大的地上慢慢滑动而形成。
Measurement of ice velocities of the Antarctic glaciers is very important significance for studies on the Antarctic ice and snow mass balance, the polar area environment change and its influence on the global environment. 测定南极冰川的流速,对于研究南极冰雪物质平衡、南极环境变化及其对全球环境的影响和极区航行有重大意义。
A novel heat pump ice thermal storage integration scheme based on reducing total mass ( including relative power system mass) of thermal control system of spacecraft is presented. 提出了旨在降低热控系统质量的热泵-蓄冷组合热控方案。
As an important component of global climate system, the Polar sea ice impacts global climate by sea surface radiation balance, mass balance, energy balance, as well as the circulation of sea water temperature and salinity. Sea ice has been studied for a long time. 极地海冰作为全球气候系统的一个重要组成部分,通过影响大洋表面的辐射平衡、物质平衡、能量平衡以及大洋温、盐流的形成和循环而影响全球气候变化。
Discussion on the Ice-snow Effect the Northern Mass Sports in Winter 论我国北方冬季群众体育的冰雪效应
Based on the data available, it is believed that Antarctic Ice Sheet is in a thin negative mass balance. 据现有资料估计分析,整个南极冰盖处于微弱负平衡。
Concerning studies above ice point, crystal growth was reviewed based on semi-empirical models, mass transfer models and equations of hydrate formation occurred on the interface. 对于冰点以上晶体增长的动力学,从半经验模型、传质模型和界面生成的模型3个角度进行了讨论;
In addition, to better understand the phase change behavior of binary ice slurry, a model for heat and mass transfer between an ice particle and its stagnant surrounding fluid is established, and its phase change process has been studied. 另外,从微观角度建立了单个冰晶粒子在静止流体中的传热传质模型,对单一的冰晶粒子的相变过程进行了研究,加深了对二元冰浆的流动换热的理解。
At the same time, through calculation and analysis of the whole bridge structure finite element model, the dynamic response analysis of the main bridge in melting ice flood period in the big quality ice and mass flow melting ice respectively is carried out. 同时,通过全桥结构有限元计算分析,分别对主桥在凌汛期大质量冰块和大规模的流凌作用下进行了动力响应分析计算。
Will the ice sports into the school of physical education and reduce the cost of the ice sports venues will be improving a good mass base. 7将冰上运动项目纳入学校的体育课和降低冰上运动场馆的成本将是一个很好提高群众基础的途径。
These parameters are fundamental to calculate ice volume and mass balance and reconstruct past snow accumulation and melting rates, ice dynamics and deposition process. 这些参数是计算冰盖体积和物质平衡、重建过去冰雪积累和消融率以及冰盖动力和沉积过程的基础。
The Antarctic ice sheet is the largest continental ice on the earth, its mass budget and stability has an important influence on global climate change and sea level rise. 南极冰盖是地球上最大的陆缘冰体,其物质收支和稳定性对全球气候变化和海平面升高有重要的影响。
Quantifying the state of the polar ice sheet is of great importance since uncertainty in ice sheet mass balance directly affects uncertainty of the global sea level change rate. 由于冰盖质量平衡的不确定性直接影响全球海面变化率的不确定性,因此,极地冰盖的量化监测和评估非常重要。