lactone

美 [ˈlæktoʊn]

n.  内酯

复数:lactones

化学



双语例句

  1. Glucono delta lactone is recommended since it hydrolyzes quickly in the dough to produce gluconic acid.
    由于葡萄粮酸-δ-内脂在面团中可快速水解并生成葡萄糖酸,因此也被建议使用。
  2. Study on Chiral Separation of γ-and δ-Lactone Flavors by Supercritical Fluid Chromatography
    γ-与δ-内酯香料超临界流体色谱手性拆分方法研究
  3. Effects of melatonin on tnf-α level in hippocampus and cortex of rats with seizures induced by Coriaria Lactone
    褪黑素对马桑内酯致痫大鼠海马及皮质内TNF-α水平的影响
  4. Separation and structural determination of structure of a new cembranoid lactone from the soft coral of Sarcophyton sp.
    中一个新的西松烷二萜内酯的分离及结构测定。
  5. Effect of gluconic acid lactone on ultrafiltered Quark cheese yield and quality
    葡萄糖酸内酯对超滤法生产Quark干酪产量和质量的影响
  6. Over the year profit doubled. A New Sesquiterpene Lactone from the Leaves of Cynara scolymus ( Compositae)
    在去年下半年利润增加了一倍.朝鲜蓟叶中一个新的倍半萜内酯(英文)
  7. Developing and Stabilizing Effect of Activated Clay on Crystal Violet Lactone
    活性白土对结晶紫内酯的发色稳色效应
  8. Preparation of α-Angelica Lactone by Integrated Reaction-Separation Process from Levulinic Acid
    乙酰丙酸反应分离一体化制α-当归内酯
  9. Objective: To study antagonistic effect of Angelica Sinesis ( Oliv.) Diels Lactone ( ASDL) on the immunosuppressive response induced by Cyclosporin A, Hydrocortisone and antitumor agents.
    摘要:目的:观察当回内酯(ASDL)对免疫抑制剂及抗肿瘤药物引起的免疫抑制作用的影响。
  10. Current status of lactone/ carboxylate salt equilibria of camptothecin as antitumor agents phenyl polycarboxylic ester plasticizer
    喜树碱类抗肿瘤药内酯型/羧酸盐型平衡研究进展苯多羧酸酯类增塑剂
  11. The total flavonol glucoside and lactone's content changes of Gingko leaves in the different growing season
    不同生长季节银杏叶中总黄酮醇苷和总内酯的含量变化
  12. Experimental study on the extraction of total triptolides from lactone leaves with macroporous resin
    大孔树脂用于雷公藤叶总内酯提取的研究
  13. This is the large ring lactone class antibiotic.
    本品为大环内酯类抗生素。
  14. The use of liposomal drug delivery systems allows the enhancement of water solubility, increases plasma exposure of active lactone forms and tumor accumulation as well as decrease in the toxicity.
    脂质体传递系统能够增加喜树碱类药物溶解度,延长活性内酯环血浆滞留时间,增加肿瘤靶向性,降低游离药物毒性。
  15. Avermectin, produced by Streptomyces avermitilis, is a group of pentacyclic lactone antibiotics which have been widely used as antiparasitic drugs in veterinary and agricultural fields.
    阿维菌素是由阿维链霉菌产生的一种具有杀虫活性的大环内酯类抗生素,在农业和畜牧业中应用广泛。
  16. The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.
    雪莲化学成分为:生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。
  17. AIM: To study the relationship between the lactone forms of 10-hydroxycamptothecin ( HCPT) and their antitumor activities.
    目的:研究10-羟基喜树碱(HCPT)的内酯环形式与抗癌活性之间的关系。
  18. They included 14 lactone ring erythromycin 、 clarithromycin and roxithromycin;
    14元环包括红霉素、克拉霉素、罗红霉素;
  19. The effect of coriaria lactone ( CL) on Y-aminobutyric acid ( GABA) and glutamate ( Glu) was studied in the cultured neurons of rat hippocampus by using immunocytochemical method.
    用免疫细胞化学方法,观察研究了马桑内酯(CL)对培养的海马神经元内γ-氨基丁酸(GABA)和谷氨酸(Glu)神经元的影响。
  20. METHODS: The interconversion kinetics of 9-NC lactone and carboxylate forms under different pH conditions were measured.
    方法:考察不同pH对9-NC内酯型和羧酸盐型相互转变动力学和平衡比例的影响。
  21. Synthesis of γ-and δ-lactone
    γ-和δ-内酯的合成
  22. The lactone form of 9-NC could be stabilized by liposome.
    结论:脂质体可以使9-NC内酯型和羧酸盐型的平衡向内酯型方向移动,能够提高内酯型的稳定性。
  23. Coumarin complexed with cadmium(ⅱ) through its lactone bond and other complexation group ( or atom) is studied.
    甲瓦龙酸内酯的合成研究发现香豆素衍生物通过内酯键或其它配位基团与Cd(Ⅱ)配位。
  24. OBJECTIVE To observe the therapeutic effects and its related mechanism of angelica lactone on cerebral ischemia in rats.
    目的观察当归内酯对局灶性脑缺血大鼠的治疗,并探讨其作用机制。
  25. The lactone and dipeptide alkaloid compounds isolated from the coral-derived fungus also had strong chemical defensive activities.
    从珊瑚内生真菌次级代谢产物中分离获得内酯类化合物和环二肽生物碱类化合物,也具有较强的化学防御活性。
  26. Deeper research about the reduction of asymmetric cyclo-imide by sodium borohydride to optical lactone is proceeded in this thesis.
    从中选择了硼氢化钠还原不对称环酰亚胺从而制备手性内酯的方法进行了更深入的研究。
  27. The main differences include whether the fatty acid molecules can form lactone and acetylation level of sophorose molecules.
    主要的结构差异包括脂肪酸是否与槐糖分子形成内酯及槐糖分子乙酰化的程度。
  28. And we have also modified the structure of a 6-lactone, the by-product obtained during the total synthesis.
    本文还对在全合成研究工作中得到的一个副产物δ-内酯也进行了结构修饰和药理活性测定。
  29. Objective: Artemisinin derivatives are a kind of sesquiterpene lactone with endoperoxide bridge.
    目的:青蒿素类抗疟药是一类具有内过氧桥结构的倍半萜内酯类化合物。