"The thing is, whales do not have hair, fur or feathers that could offer some protection, and they are forced to surface in order to breathe," co-author Karina Acevedo-Whitehouse told Discovery News.
“问题是,鲸鱼没有用以保护的毛发、毛皮或羽毛,而且它们为了呼吸,要被迫浮出水面,”合著人卡琳娜。阿塞维多·怀特豪斯这样告诉探索频道新闻。
The interaction between simple diatomic molecules such as CO and transition metal surfaces may lead to breaking and making chemical bonds and trigger important surface catalyzed reactions.
简单双原子分子CO与过渡金属间的相互作用,可能导致化学键的断裂与形成,并且引发重要的表面催化反应。
From 1968 to 1985, he served on surface ships of the Pacific Fleet, where he went through all the ranks from co of a combat unit to a large unit co.
1968年至1985年,费多·罗夫一直在太平洋舰队水面舰队任职,在那里他担任过战斗单位指挥官到大单位指挥官的所有职务。
The results showed that the vacuum boronizing pretreatment method effectively reduced the diffusion and mobility of Co in the substrates and obviously roughened the surface of the cemented carbide.
结果表明,真空渗硼预处理不仅可以有效的消除或控制钴在金刚石沉积时的不利影响,而且,还显著粗化硬质合金基体表面。
The causes of surface longitudinal cracking were analyzed. Countermeasures were put forward based on the production practices of thin slab casting and rolling at Tonghua Steel Co.
分析了连铸薄板坯表面纵向裂纹的产生原因,结合通钢薄板坯生产实际情况,提出了改进措施。
The bonding and antibonding character for the CO valence level have also been studied by analysis of the variations of the molecular eigenvalues when the CO molecule approaches the surface.
通过CO分子接近表面时各分子轨道能量本征值的变化,讨论了各轨道的成键、反键特征。
When co cultured with HA/TCP ceramics, osteoblasts firstly attached to the surface of HA/TCP disk, then attached to notches and grew into the micropores of biomaterial during further culture period.
研究发现,复合培养过程中成骨细胞首先贴附于材料的表面,进而攀附于材料边缘切刻处及材料表层微孔的边缘,以后逐渐长入孔中。
Supervisors in this unit group supervise and co-ordinate activities of workers engaged in underground and surface mining operations and quarries.
本单元组主管监督和协调从事地下和地表采矿作业和采石场工人的活动。
CD80 is one of the co-stimulatory molecules binding CD28, which binds CD28 on the surface of t cells to provide second signal for efficient activation of t cells.
而CD 80是能够与CD 28分子结合的共刺激分子之一,它与T细胞表面CD 28分子的结合为T细胞有效活化提供第二信号。
It suggests that the phase structure can be controlled by lowering the surface energy of polyetherimide and it is a possible way to obtain co-continuous structure with a smaller periodic distance.
因此,通过改变固化温度和聚醚酰亚胺的端基来降低聚醚酰亚胺的表面能,可以在一定程度上调控反应诱导相分离体系的相结构,并获得相间距较小的双连续结构。
The surface mode of H2CO resulted from methylenebisoxy decomposition may be different from that resulted from formaldehyde adsorption or CO hydrogenation.
由亚甲基双草酰产生的H2CO表面模型可能与由甲醛吸附或CO氢化生成的H2CO表面模型不同。
Guangzhou Hanke Architectural Materials Technology Co. , Ltd. , founded in 2003, is a professional supplier of aluminum dyes and surface treatment additives of aluminum and aluminum alloy.
广州市汉科建材科技有限公司创立于2003年,是一家专业生产、销售铝及铝合金阳极氧化染料及表面助剂的公司。
If a film of glasscloth was co-solidified on the GECM surface, the hygroscopic capacity was more remarkable.
如果表面共固化一层玻璃布,吸湿溶胀行为更加明显。
Established in 2008, Bull Technology Co. , Ltd. is the business agent of galvanization and surface treatment chemical raw material, which adopts the management of idea from Mr.
深圳市公牛科技有限公司始建于2008年,是一家快速成长的电镀及表面处理化学品原料代理商。
China Wuxi Taiyuan Machine manufacturing Co., Ltd. was founded in 1958. It is engaged in design, manufacturing and selling of surface treatment equipment.
中国无锡泰源机器制造有限公司,始创于1958年,致力于表面处理设备的设计、制造和销售。
Since no images of Makemake's surface yet exist, an artist's illustration originally meant to depict Sedna has been boldly co-opted above to now illustrate Makemake.
目前仍没有鸟神星表面的照片,因此上面这张原本用来描绘赛德娜的艺术家想像图便直接拿来描绘鸟神星。
The results observed and researched indicate that the soil animals as mentioned above have body surface structure of wave co...
结果表明,上述土壤动物具有类似波纹状的体表结构,并用波形表面模型进行了减粘脱土的机理分析。
Co. has developed the "Non-adhesion technology" too. There has been a big reduce in the adhesion of the fluororubber surface, and the rate of finished products has bee improved int...
同时旭化成工业公司还开发了非粘着化技术,大幅度地降低了氟橡胶表面的粘着性,提高模压成型时制品的成功率。
The results show that the two-step method can effectively remove Co on the cemented carbide substrates and obviously roughen the surface of the cemented carbide substrate.
研究表明,两步混合处理法不仅可以有效的去除硬质合金基体表面的钴,而且,还可显著粗化硬质合金衬底。
No statistically significant difference in the expression levels of co-stimulatory molecules on dendritic cells surface between the groups immunized with DNA vaccine alone or with TLRs.
单用DNA疫苗或联用TLR免疫的组间的树突状细胞表面上的共刺激分子的表达水平没有统计学上的显著差异。
Using surface chemistry to change the substrate's ability to promote attachment of the proteins and cells, co-cultures of different types of cells can be achieved.
在细胞培养的基底表面运用化学修饰,改变其对蛋白质和细胞的吸附特性,可以良好地控制不同细胞的共培养。
With laser cladding Co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased.
H13 热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。
The technique and the approach can effectively aid the designing and choosing of cylinder helical surface machining tools for co-rotating twin-screw.
该方法和技术可以有效的支持同向双螺杆圆柱螺旋面的加工刀具的优选。
The monocytes were co-incubated with supernatant from human marrow(mesenchymal) stem cells culture, and flow cytometer was used to detect surface antigen.
与人骨髓间充质干细胞培养上清共孵育。流式细胞仪检测表面抗原。
Anaphora is traditionally regarded as a syntactically controlled co-referential relationship on the surface level of language.
传统上,回指被认为是建立在语言表层上的互指关系,受人称、性、数一致等句法规则的支配。
Also, we investigate the rate-determining-step of methanation reaction on those surfaces, and the influences of the deposited surface species at reaction beginning on the reactivity of CO methanation.
此外,还考察了甲烷化反应的速控步骤,及因解离物种可能在表面上的沉积使表面有所改性, 从而影响CO甲烷化表面反应的活性。
A determination method of active surface areas of copper-containing catalysts by pulse adsorption at an ambient temperature with co as adsorbate is described in the present paper.
介绍了用CO作吸附质,在室温下脉冲吸附测定铜催化剂中活性铜表面积的方法。
The in situ diffuse reflectance FTIR spectroscopy (DRIFTS) analysis with the probe molecule co was carried out to characterize the surface properties.
采用原位漫反射红外光谱法,用CO作为探针分子,对样品的吸附特征进行了研究。
The in situ diffuse reflectance FTIR spectroscopy (DRIFTS) analysis with the probe molecule co was carried out to characterize the surface properties.
采用原位漫反射红外光谱法,用CO作为探针分子,对样品的吸附特征进行了研究。
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