不同沉积层中保存的壳有不同的含量比例,显示出更新代海洋温度的变化。
Different ratios in the shells preserved in various layers of sediment reveal the temperature changes in the oceans during the Pleistocene epoch.
你还记得在你父母那一代的温度计中使用的水银元素吗?
Do you remember that the element mercury was used in the thermometers of your parents' generation?
虽然在过去的30年间阿森松岛上的温度并没有明显变化,但该岛上风向的洋面温度在上世纪80年代跃升了1度以上,在那之后洋面温度趋于稳定。
Although the temperature on Ascension has not changed appreciably in the past 30 years, sea-surface temperatures upwind of it jumped by more than a degree in the 1980s before levelling off.
自从上世纪七十年代以来,刚开始只有一个研究小组借助气象卫星的相关设备,将所得数据转变成为不同海拔上的温度记录。
To begin with, only one team was turning data from the relevant instruments that have flown on weather satellites since the 1970s into a temperature record resolved by altitude.
从19世纪50年代以来,关于温度和全球气候的准确数据开始被记录,并且其覆盖范围不断扩大。
Since about 1850 accurate records of the temperature and climate on planet earth have been kept, with coverage improving over time.
地球表面温度自1880年以来一直处于上升中,仅仅在20世纪40至60年代(1940 - 1960)保持稳定。
Except for a leveling off between the 1940s and 1970s, Earth's surface temperatures have increased since 1880.
测量数据显示,20世纪70年代以来,地表平均温度上升了0.4度。
Measurements at the Earth's surface show that average temperatures have risen by some 0.4C since the 1970s.
提高热变型温度和代温冲击强度。
Impact heat distortion temperature and low; temperature impact strength.
从20世纪70年代起,NASA的一项统计数据显示地球温度每十年上升0.36华氏摄氏度。
Since the 1970s, NASA says statistics show the Earth to be warming 0.36 degrees Fahrenheit a decade.
摘要卤代芳烃的氰化反应在液晶单体合成中广泛应用,但传统的加热方法反应时间长、温度高。
Cyanation of aryl halides is widely used in the synthesis of liquid crystals but its traditional heating reactions require long time and high temperature.
在夏天定期温度飙升到90年代和100年代的地方,这是可以理解的,居民库伯佩迪,澳大利亚将做任何地方可以击败热火。
In a place where temperatures regularly soar into the 90s and the 100s in the summer, it's understandable that the residents of Coober Pedy, Australia would do anything they can to beat the heat.
考察了反应温度对苯环上溴代产物收率和色泽的影响以及溴素滴加速度对侧链光溴代产物收率的影响。
The influence of temperature on yield and colour of product in bromination of benzene ring as well as the influence of bromine feeding speed on yield of brominated sidechains were investigated.
在计算型腔温度时采用选代算法,同时分析注塑动模和定模。
As both the moving and the stationary parts of an injection mold should be handled simultaneously, an iterative method was used to calculate the temperature.
结果表明:这一地区影响二代玉米螟分化的主要因子是幼虫期的光照周期和温度。
It was found that the major factors determining the differentiation of the Asian corn borer in the second generation were photoperiod and temperature in the larval period in that area.
该产品是在老一代铁沟捣打料基础上开发成功的,具有冷态和热态温度高、抗氧化性和抗渣性好,使用寿命长的特点。
The product is researched successfully based on old ramming castable. Which own higher temperature of cold state and hot state, good inoxidizability and slag resistance, and long service life.
目前这一代的胎压监测系统是基于压力传感器,包括一个调节压力和温度信号ASIC。
The current generation of TPMS is based on a pressure sensor that includes an ASIC for conditioning the pressure and temperature signal.
卤代芳烃的氰化反应在液晶单体合成中广泛应用,但传统的加热方法反应时间长、温度高。
Cyanation of aryl halides is widely used in the synthesis of liquid crystals, but its traditional heating reactions require long time and high temperature.
温度高碳化度高,但过高的温度对硫代硫酸钠生成有利。
Temperature higher, the carbonization degree is high, but passes high temperature to be beneficial to sodium hyposulfite generation.
实验结果表明,反应温度和溴代正丁烷的用量是相转移催化合成噻酮工艺的主要影响因素。
The experimental results indicated that the reaction temperature and the dosage of 1-butyl bromide were the main factors while the reaction time and the dosage of TBAB were the minor factors.
虽然这几乎代表了返回恐龙时代的温度,二氧化碳含量和全球气候变暖很可能会继续上升甚至超过那一时代。
Although that would almost represent a return to dinosaur temperatures, carbon dioxide levels and global warming might well continue rising past that point.
通过以水代釉模仿工艺实验,初步证实了造成坯釉爆裂的直接原因是由于坯体施釉后,表层残留水分过多,进窑后遇到高的窑道预热温度,水分汽化速度过快;
The reason of bursting phenomena is that residual water in body skins after application of glaze is far too enough and the evoporization speed is far too fast in high initial heating.
新一代温度计群控自动检定装置可快速、准确、自动和大批量检定热电偶、热电阻温度计。
A new generation of automatic test equipment group of thermometer controlling can be fast, accurate, automatic and high-volume test thermocouple, thermal resistance.
周六周日时的温度将达到90年代中期时的水平。
Temperatures Saturday and Sunday are expected to climb to the middle 90s.
70年代和80年代山区和平原无论积雪还是温度、降水量都呈现明显不同的变化。
But in the 1970s and 1980s, distinct changing differences of snow cover, air temperature and precipitation were detected between mountain and plain areas.
体系新型贮氢材料有很高的贮氢量和相对温和的释氢温度条件,有可能成为新一代的车用贮氢材料。
Metal-N-H is considered as one of the most-potential hydrogen storage materials as on-board applications for its high gravimetric hydrogen content at relatively gentle condition.
本课题所研究的沥青降温剂rt,则是专门用于降低沥青混合料拌和与成型温度的新一代脂肪族碳氢化合物。
The Reduce-Temperature agent of asphalt that the paper studied is a new generation of aliphatic hydrocarbons which designed to reduce the mixed and compacted temperature.
采用辐射图象处理进行二维炉膛温度分布重建是一个典型的逆问题。由一个数字代摄像装置(CCD)镜头获取的信息重建温度场会使重建结果对误差过于敏感。
Reconstruction of temperature distribution through radiant image processing in 2 D furnaces is a typical inverse problem, and it is very sensitive to measurement errors by only one CCD camera.
采用辐射图象处理进行二维炉膛温度分布重建是一个典型的逆问题。由一个数字代摄像装置(CCD)镜头获取的信息重建温度场会使重建结果对误差过于敏感。
Reconstruction of temperature distribution through radiant image processing in 2 D furnaces is a typical inverse problem, and it is very sensitive to measurement errors by only one CCD camera.
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