潮湿和干燥条件的交替波动表明,月球上每天都在生成水——太阳风中的氢原子核与月球表面富含氧的硅酸盐矿物相撞而成。
The waves of damp and dry conditions suggest water is created on the moon every day, when hydrogen nuclei in the solar wind slam into oxygen-rich silicate minerals on the moon's surface.
它的最主要任务是勘察月球表面的自然资源,包括可以用于核然料的铀。
One focus was to prospect the lunar surface for natural resources, including uranium for nuclear fuel.
行星肥皂泡上的核火:我真对这些结果非常满意。这些特写表现了肥皂泡不同的一面,包涵表面的结构。
'Nuclear fires on planet bubble' : 'I'm really pleased with some of these results. The close-ups show a different side to bubbles, with the surface textures'.
裂变的产物通常将散布在地球表面一片巨大的区域上,除非因为下雨产生局部核尘降。
The fission products are generally dispersed over a large area of the globe unless there is local rainfall resulting in localized fallout.
细胞外的信号通过蛋白与蛋白和蛋白与配体的作用由细胞表面传送到细胞核。
The transmission of an extracellular signal from the surface of the cell to the nucleus by a relay of protein-protein and protein-ligand interactions.
细胞表面的受体对外界信息的相应反应就是将信息以信号的形式传递给启动基因表达和控制细胞功能的细胞核。
In response to such incoming information, receptors on a cell's surface send signals to the nucleus that tweak gene expression and control cellular function.
在恒星核这样的极端环境下,振动变得更加剧烈,甚至能回到恒星表面。
In that extreme environment they actually become more intense and can return to the surface.
主要病变包括大脑皮质、丘脑、海马、小脑和脊髓的神经细胞尼氏体溶解、核浓缩和细胞表面结痂。
The major lesions included dissolution of Nissl bodies, pyknosis, and incrustation of neuronal surface in the cerebral cortex, thalamus, hippocampus, cerebellum and spinal cord.
同时,加热表面上方还会出现由爆发沸腾向常规核态沸腾的过渡,通过转变时间这一特征参量能够对两种沸腾形态进行划分。
Besides, there is a changeover from explosive boiling state to conventional boiling state on the heating surface, and the transition can be denoted by changeover time.
股骨头骨骺核与对侧对比表面凹凸不平,厚度不均,部分较对侧对比明显变小。
The surface of ossification center of femoral head was accidented and inequable in thickness as compared with opposite side.
本文讨论了高激发核中的同位旋标量表面巨共振和偶极巨共振。
The isoscalar giant surface resonance and giant dipole resonance in highly excited nuclei are discussed.
研究了带有同心套管的垂直圆柱形加热表面在环隙中通入空气时的核沸腾传热性能。
Nucleate boiling heat transfer on a vertical cylindrical heated surface with a concentric outer tube was investigated when air was introduced into the boiling liquid.
方程的两类解分别代表表面马氏体和孪晶马氏体的形核。
Two kinds of solutions are obtained, which represent the nucleation of surface and twin martensites respectively.
计算显示有源核中的界面声子可以分为体声子和表面声子模式。
Numerical calculations show that the interface phonons in the active core can be classified as bulk phonons and surface phonons.
目的构建柔嫩艾美耳球虫子孢子表面抗原原核表达载体,并且在大肠杆菌中表达。
Objective To construct the prokaryotic expression vector of the sporozoite surface antigen gene of Eimeria tenella GZ strain and expression in Escherichia coli.
量化蛋白质结构的参比疏水性:一般认为,疏水性氨基酸在蛋白质的核中,而极性氨基酸在表面。
Quantify the Relevance Hydrophobicity in protein Structure: the general expectation is that hydrophobic aminoacids are in the core of proteins, while polar aminoacids are on the surface.
为了得到高质量的金刚石薄膜本研究对于石英玻璃的表面进行了清洗并用了负偏压增强形核的方法。
In order to grow high quality diamond film, this experiment using cleanout and negative bias to improve nucleus.
所制备的复合材料具有均匀的显微组织,基体中的共晶组织可依附在纤维表面形核生长。
The composites fabricated have uniform microstructures, and the eutectic structures in the matrix can attach on surface of the fiber to nucleate and to grow.
表面碳势为1.1%C的渗碳硬化层内,临近外表面部位的枣核马氏体中会出现显微裂纹。
When carburized under high carbon potential (1. 1% C), microcracks tend to appear on the martensitic matrix near the outer surface of the layer.
高能重离子在绝缘材料表面产生的潜径迹经过蚀刻后形成一定形貌的核径迹孔,而密集的径迹孔表面相当于渐变折射率层。
High energy heavy ions generate potential tracks on the face of insulated material, and a porous surface with gradient refractive index can be formed by etching the ion tracks.
提出了一种基于沸腾表面微结构分析的预测核态沸腾中汽化核心密度的方法。
A method has been presented to predict the nucleation site density in nucleate boiling based on the investigation of the microstructure of boiling surface.
目的研究稳定剪切流动对黏附于血管表面的白细胞及其细胞核变形的影响。
Objective To investigate the effects of steady shear flow on the deformation properties of an adherent leukocyte and its nucleus.
这张照片显示了真核生物细胞外表面四重轴向的电压依赖性钾离子通道。
The image shows a eukaryotic voltage-dependent potassium channel viewed along the four-fold axis from the extracellular surface.
改进的小鼠表面张力辅助去核法是一种适用于小鼠卵母细胞操作的快速、简单、实用的去核方法。
Modified surface tension assisted method is a efficient and simple enucleation method with the advantage of saving manipulating time and non-damage to mouse oocyte.
跨膜受体可从膜表面进入细胞核内直接调控细胞的生命活动,但其核转位的途径至今尚无定论。
Although transmembrane receptors from cell surface to nucleus can generally regulate the cellular life activities, their pathways of nuclear translocation still remain to be elucidated.
目的观察烧伤患者外周血单个核细胞表面tlr2、TLR4表达的变化。
Objective To investigate the expression of TLR2 and TLR4 in human peripheral blood monocyte after burn.
POM说明EPP的加入,激活了TPU表面的异核结晶作用,使PP在TPU表面的结晶变得小而均匀。
POM suggested that EPP made TPU dispersed into PP matrix uniformly and PP crystallized on the TPU surface preferably.
天文学家说这颗行星表面的坑很深而且有一个巨大的铁核。
Astronomers say the planet heave liquid (cratered) and has a large iron core.
天文学家说这颗行星表面的坑很深而且有一个巨大的铁核。
Astronomers say the planet heave liquid (cratered) and has a large iron core.
应用推荐