天然的物质

Lac is a natural substance that is secreted by the insect "Coccus lacca" often referred to as the lac beetle.

虫胶是由一种名为&Coccus lacca&的昆虫，也即是人们平时说的紫胶虫分泌的一种天然物质。

According to the pattern of cycle-economy, it is urgently demanded that we should do as follows:exploit and utilize natural resources without environmental pollution, use materials which are good for human beings, develop the produce performance and the quality of the meat of poultry, improve the health condition of poultry, at the same time, add supplement and additives with the feature of nature including healthy morphon or compound additives.

因此，按照&循环经济&模式[1]，向大自然进军，开发和利用环保型、无公害、有利于人畜健康、可提高动物生产性能和肉品品质、改善动物健康状况的，又不失其天然本色的补充物质或添加剂，包括单体或复合型绿色饲料添加剂，是动物养殖，特别是养猪生产实现健康养殖的迫切需要。

There were ten compounds gave the large contribution on the flavor of milk fat,they were octanal,2-nononone,ethyl carpylate,butanoic-acid,pentanoic acid,2-tridecanone,hexanoic acid,heptanioc acid,octanioc acid(flower-like,a little winey)and an unknown compound.

利用GC-O与GC-MS结合鉴定天然乳脂风味中的特征致香成分，鉴定出有十种物质对于乳脂的风味是有较大贡献的，分别是辛醛、2-壬酮、辛酸乙酯、丁酸、戊酸、2-十三酮、己酸、庚酸、辛酸、还有一种未知化合物。

The supercritical fluid extraction of carbon dioxide owns lower extraction temperature and high diffuse coefficient. So, the technology is able to extract the thermal instable materials. In this study, we extract the polyphenols from damage starfruit by the supercritical carbon dioxide fluid and confer the extraction outcome. To seek the optimum operation conditions was the main purpose and provided the technology to starfruit processing industries.

超临界二氧化碳萃取技术具有低萃取温度，高扩散能力之特性，可将天然中热不稳定性物质萃出，并保留活性成分，所以本研究拟对受伤杨桃以超临界二氧化碳流体萃取技术进行杨桃多酚的萃取，并探讨杨桃多酚的萃取率，以提供杨桃汁制造业者回收杨桃之最佳化方法，并提高杨桃的附加价值。

These gems are the hardest to natural substance known to man and yet also one of the most beautiful.

这些宝石是最难的天然物质人类已知的，但也是最美丽的城市之一。

These gems are the hardest to natural substance known to man and yet also one of the most beautiful.

这些宝石是最难的天然物质人类已知的，但也是一个最美丽的。

European-style pressing with essential oil: Pushing, pulling, rubbing and kneading channels and collaterals gently with natural essential oil can regulate the excretion of toxins from your body and prevent the outstretching of veins.

欧式油压：用天然香薰精油通过柔软温文的手法在经络上推拨搓揉，调节体内有害物质的排泄，防止静脉扩张的作用。

Pectin is a main structural substance of the cell wall of sugar-beet.

果胶是甜菜粕细胞壁的主要结构物质，是半乳糖醛酸残基通过α—1，4键连接形成的酸性大分子多糖，是食品工业主要的天然食品添加剂之一。。。

On the other hand, Large quantites of green pigment s are formed when garlic is pickled in vinegar or crushed into purees.

同时，在醋浸绿蒜中还存在大量的绿变色素，实践表明其对人体无害，且已有研究表明绿变色素的形成有活性物质的参与，因此可以考虑将其作为一种天然色素进行开发。

The properties of green tea, the leaves retain more of a natural material.

绿茶的特性，较多的保留了鲜叶内的天然物质。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。