手性对映体分离中包括机理研究、新型手性选择剂。
The chiral separation includes separation mechanism and some new chiral selectors.
然后简要介绍了手性识别的方法以及常用的手性选择剂。
Methods of chiral recognition as well as some common chiral selectors are summarized.
首先以可溶性淀粉这种多糖作为手性选择剂，成功实现了西酞普兰对映体的手性分离。
First, amylose was selected as chiral selector and the enantiomeric separation of citalopram enantiomers was achieved successfully.
由于缺乏合适的手性选择剂，与其在非手性分离方面的广泛应用相比，MEEKC在手性分离方面的应用受到很大限制。
Compared with its wider use in achiral separation, the application of MEEKC in chiral separation has been largely restricted due to the lack of suitable chiral selectors.
以辣椒自交系B17、B25为试材，用子叶外植体诱导愈伤组织，以辣椒疫病痛原菌粗毒素作为选择剂， 筛选抗疫病辣椒变异体植株。
Under the inhibition of crude toxin derived from Phytophthora capsici, some somaclonal variation lines were selected from the callus induced from cotyledons of two pepper inbred lines -B17 and B25.
天然食品总是最好的选择，而不是添加补充剂。
Whole foods are always the best option rather than adding supplements.
牛奶也不含糖，也不含添加剂，营养学家建议睡前最好选择脱脂牛奶，因为它最不容易发胖。
Milk is also sugar-free and additive-free with nutritionists recommending skimmed milk as the best choice before bed as it is the least fattening.
牛奶不含糖和添加剂，因此营养学家推荐脱脂牛奶作为睡前的最佳选择，因为它最不容易让人发胖。
Milk is sugar-free and additive-free with nutritionists recommending skimmed milk as the best choice before bed as it is the least fattening.
选择润肤剂应考虑到预算的多少，以及是否容易供应。
The choice of emollient should be made taking into account budgetary limitations and ease of supply.
较顽固的污渍通常选择商用污渍去除剂是个好办法。
Commercial stain removers are usually a good choice for more stubborn stains. Some choices include.
阻止这种药进入市场会损害其他消费者的利益(医生会选择该药物作为癫痫病人的速效镇静剂)。
Pulling the drug from the market would hurt many other customers (doctors use it, among other things, as an emergency sedative for epileptics).
因此，研究人员说，如果可以安全地作出选择，麻醉医师应选择那个对气候破坏最小的麻醉剂。
So, say the researchers, if a choice can be safely made, anesthesiologists should go with the one that's kindest to the climate.
站在生态学的角度上，大范围的使用杀虫剂也不是最佳的选择。
Nor is the large-scale use of pesticides the best option from an ecological standpoint.
但是，选择增加关于维生素和矿质食品补充剂最高食用水平消费者信息的国家可使用该准则作为指导。
They could however be used as guidance by countries choosing to increase consumer information on maximum consumption levels of vitamin and mineral food supplements.
有些得复发性肾结石的人选择处方利尿剂来降低风险。
Some people with recurrent stones choose to take prescription diuretics to reduce the risk.
他说：“从他们怎样帮助我们扩大我们绿色产品的影响到下一代环保洗涤剂应选择什么样的香剂成分，我们与他们交流多方面的事情”。
“We communicate with our people about everything from how they can help us magnify our green message, to what scent we should choose for our next eco-friendly laundry detergent,” said Hollender.
选择喝水、低糖汽水、不加甜味剂的茶或咖啡而非通常的软饮或酒精饮料，这也会避免摄入大量热量。
Choose water, diet soda, or unsweetened tea or coffee instead of regular soft drinks or alcoholic beverages. This will save a lot of calories.
由欧洲委员会资助，伦敦大学的科学家选择对产于欧洲的水果与蔬菜上最常使用的杀虫剂进行测试。
Funded by the European Commission, the University of London scientists selected the pesticides to test by identifying those found most often in European fruits and vegetables.
在购买草药或营养补充剂时，尽量选择信誉良好的卖方和制造商。
When purchasing a herbal medicine or nutritional supplement, try to choose a reputable seller and manufacturer.
针对某种感染使用某一剂量的某种抗菌剂一段时间，会迫使微生物或是适应，或是死亡；这种现象称为“选择压力”。
The use of any antimicrobial for any infection, in any dose, and over any time period, forces microbes to either adapt or die in a phenomenon known as “selective pressure”.
如果你想吃更多富含抗氧化剂的食物，最好选择色彩丰富的水果和蔬菜。
If you would like to eat more foods high in antioxidants, it is best to choose colored fruits and vegetables.
当然，成为素食者并不使你避免西瓜里的膨大剂或假葡萄，所以许多新浪潮素食者也选择有机食品。
Of course, being vegetarian does not protect you from growthagents in watermelons or fake grapes, so many of the new-wave vegetarians goorganic as well.
有必要定期监测媒介对广泛使用的杀虫剂的易感性，保证选择适宜的化学成分。
Regular monitoring of the vectors' susceptibility to widely used insecticides is necessary to ensure the appropriate choice of chemicals.
但是如果我不得不在糖和人工甜味剂之间做出选择，我会选择糖！
But if I had to make a choice between sugar and artificial sweeteners, I'd choose sugar in a heartbeat!
选择黑巧克力作为额外的抗氧化剂。
如果你确实没有更多的新鲜产品可选择，那就将食物冷冻储存，之前要添加防腐剂和盐来保持其质感和口感。
If you really don't have a lot of options for fresh produce, turn to frozen before canned, which has added preservatives and salt to help it maintain consistency and taste.
科学技术给富裕世界农民带来的好处不过是除草杀虫，而含有高剂量除草剂、不惧害虫的大豆、玉米和棉花几乎是我们唯一的选择。
Soybeans, corn and cotton that tolerate high doses of herbicides and fend off pests — technologies that benefit rich-world farmers — are nearly all the choices we have.
但是，结果显示：认为自己吃了增补剂的人减少了健康的机会，比如选择自助餐而不是有机食物，并比与没有吃增补剂的那组人相比，走路也减少了。
But it turns out that subjects who thought they'd taken a supplement made less healthy choices, opting for the buffet instead of an organic meal and walking less than their supplement-deprived PALS.
但是，结果显示：认为自己吃了增补剂的人减少了健康的机会，比如选择自助餐而不是有机食物，并比与没有吃增补剂的那组人相比，走路也减少了。
But it turns out that subjects who thought they'd taken a supplement made less healthy choices, opting for the buffet instead of an organic meal and walking less than their supplement-deprived PALS.
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