Heparan sulphate is not a protein. It is, rather, a sulphur-rich sugar-like molecule of a sort often involved in glycosylation.
硫酸乙酰肝素并不是一种蛋白质，在某种程度上它只是经常参于糖基化的一种富硫的、类糖的分子。
If you look at a diagram of that molecule, it looks just like an estrogen molecule.
如果察看它的分子结构图，看起来就和雌激素的分子一样。
Spitzer detected a prebiotic molecule, called hydrogen cyanide, in the disks around yellow stars like our sun, but found none around cooler, less massive, reddish stars.
斯皮策探测到在和我们太阳类似的黄色恒星周围的尘埃盘中有一种原始生命分子-氰化氢，但在更冷的、质量更少的微红色恒星周围却没有。
Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.
弗里德里希·凯库勒发现分子苯的结构想一个环状的客观事实，正是醒于当天的一个白日梦后知道的，在梦里他梦见一群蛇都在追逐着各自的尾巴，于是形成了好多环形。
Spitzer detected a prebiotic molecule, called hydrogencyanide, in the disks around yellow stars like our sun, but found nonearound cooler, less massive, reddish stars.
斯皮策探测到在和我们太阳类似的黄色恒星周围的尘埃盘中有一种原始生命分子-氰化氢，但在更冷的、质量更少的微红色恒星周围却没有。
You have a molecule where we put the carbon in the center, and we go up like this, like this, and out the back.
你有一个分子,我们把碳放在中间，现在我们得到了。
Like vitamins and minerals, microRNA may represent a previously unrecognized type of functional molecule obtained from food.
就像维生素和矿物质，MicroRNA可能会是一种以前未辨认出的从食物中摄取的功能性分子。
That means it lacks sufficient energy, like x-rays and gamma rays, to remove an electron from an atom or a molecule to make a charged particle that can damage DNA and biomolecules.
也就是说，微波辐射与X射线和伽玛射线不同，是不具有足够的能量的，从而不会使原子或分子失去电子而变成带电粒子，造成DNA及其它生命分子的损坏。
The idea is that every odor molecule that enters our nose has a specific shape that fits a specific receptor-like a key fits a lock-allowing us to detect, say, the acrid aroma of burnt coffee.
这个想法是，每一个进入我们的鼻子的气味分子都有一个特定的形状，相互吻合的特定受体——就像锁和钥匙一样——使我们能够感知，例如感知焦咖啡的刺鼻气味。
Of course the linear molecule wasn't like that.
当然直线形的分子不像这样。
Like DNA, RNA is a complex molecule made of repeating units of thousands of smaller molecules called nucleotides that link together in very specific, patterned ways.
像DNA一样，RNA也是由数千个被称为核苷酸的更小分子构成的，这些核苷酸之间以非常特定的模式连接在一起。
Secondly it must have been able to quickly assemble a genetic molecule that could make copies of itself without the need for more elaborate bio-machinery like RNA and DNA -- that would evolve later.
其次它必须很快的生成遗传因子使得它能够自我复制，当然也不需要更多精心制造的”生物机器“——RNA,DNA什么的没那么早出现。
Sugar alcohols get their name from their structure, which looks like a cross between a molecule of alcohol and sugar but is technically neither.
糖醇类物质由其分子结构而得名，因为其结构看起来就像是醇类物质和糖类物质的融合物，但从科学角度来讲，糖醇类物质既不是醇类也不是糖类。
When an organic molecule like electron donating pyridine adsorbs on the surface, cations get reduced due to charge transfer.
当一个有机分子如电子给予体吡啶吸附在表面上时，阳离子由于电子转移而还原。
Under the right conditions, that process can produce an RNA molecule that's evolutionarily "fit" for a task like treating the biological cause of macular degeneration.
在合适的条件下，该过程可以产生一种RNA分子，该分子可进化到足以完成诸如治疗黄斑变性的生物学病因等任务。
The single piece of DNA molecule winds itself around special proteins to form into very tight coils like a string (shown in yellow).
这个一段DNA分子把自己弯曲在特殊的蛋白质周围而形成非常紧的卷如一段弦一样(如黄色部分所示)。
Being a small peptide molecule, protamine's basic structure can be destroyed and it's antimicrobial efficacy largely affected by some protein enzymes like chymotrypsin, trypsin, papain and pepsin.
鱼精蛋白是小分子肽，有些蛋白酶如胰凝乳蛋白酶、胰蛋白酶、木瓜蛋白酶、胃蛋白酶可分解它，使其一级结构受到破坏，从而影响它的抗菌活性。
Very important for the swelling behaviour Is the polar character of the water molecule. Experiments with nonpolar fluids like heptanor benzine showed no or only very small swelling.
同一岩样浸入极性和非极性的流体中，其膨胀性能是不同的，这与水分子的极化特性及其表面张力有关。
With a molecule you can't just grab hold of the ends and tie them like you would a shoelace. They're too small for that.
你不能像绑鞋带那样抓住分子的两端来打结，因为他们太小了。
Therefore we believe our chances of preventing side effects are much higher than using something that is foreign to the body like a synthetic molecule.
因而，我们相信，我们预防不良反应的机会要比采用对身体来说是外来的某种东西如合成分子要高得多。
The crystal structure of the nucleoprotein is a trimer, with each monomer molecule shaped like a crescent.
核蛋白晶体构造是一种由三条大型分子链组成的三聚体，每一条支链形状就象鸡冠一样。
These last two are rarely used in biology, but they are like analogs for nucleobases — the same core molecule but structurally slightly different.
后两个在生物学中很少使用，但它们像碱基的类似物一样—具有相同的核心分子，但是在结构上略有不同。
It is assumed that this is due to the ions masking the repulsion between one charged gluten protein molecule and another of like charge.
假设这是由于离子抵消了一个面筋蛋白分子与另一个面筋蛋白分子之间的相互排斥力。
For a molecule adsorbed on the surface one would like to know the geometry of the molecule.
对于吸附在表面的分子，人们就希望知道这些分子的几何形状。
The quasi-one-dimensional metal oxide nano-material biosensor has the characteristics of rapid response, high sensitivity, strong selectivity, no labeled molecule and the like.
具有快速响应、灵敏度高、选择性强、无标记分子等特点。
DNA is a double stranded molecule shaped like a spiral staircase.
DNA是一种像螺旋阶梯样形状的双链分子。
Polymer: Natural or synthetic plastic-like substances having molecule in a high relative molecular mass formed by the chemical linking of many simple molecules, of the same substance.
聚合物：类似塑胶的人造或天然物体。由许多简单而属于同一种物质的分子，通过化学结合而形成，并具有较高的相对分了质量。
After mix silicone waterproofing agent into concrete, due to are generated tree-like, chain-like and reticular molecule in constituent-clustering accompanying reaction of hydration of cement.
在混凝土中加入有机硅防水剂后，由于偏聚反应中生成枝状、链状及网状分子是伴随水泥水化反应的同时进行的。
After mix silicone waterproofing agent into concrete, due to are generated tree-like, chain-like and reticular molecule in constituent-clustering accompanying reaction of hydration of cement.
在混凝土中加入有机硅防水剂后，由于偏聚反应中生成枝状、链状及网状分子是伴随水泥水化反应的同时进行的。
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