• 所有共振谱线进行了全面归属,讨论了不同取代不同原子化学位移影响

    All of the resonance lines were fully assigned and the effects of substituents and heteroatoms in ring on chemical shifts were discussed.

    youdao

  • 一种中心金属离子(离子)结合,形成

    The attachment of a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.

    youdao

  • 硫酰亚胺化合物制法,含有的组合物以及作为杀虫之用途。

    Heterocyclic acylsulfimides, a method for their production, agents containing the same and their use as pesticides 403

    youdao

  • 取代- 4 -磷酰硫脲及其1,3,4 -恶二唑衍生物合成

    The Synthesis of l-acyl-4-phosphoryl Thiosemicarbazides and Their Heterocyclic Derivatives of 1, 3, 4-oxadiazoles.

    youdao

  • 可吸收6,6-二-1,4-二氧杂环庚烷-2-酮及其物的共聚物混合物

    Absorbable copolymers and blends of 6,6, -dialkyl-1,4-dioxepan-2-one and its cyclic dimer.

    youdao

  • 某些取代的苄衍生物提供了意料不到的杀昆 虫杀螨虫活性

    Certain substituted benzylamino heterocyclic and heteroaryl derivatives have provided unexpected insecticidal and acaricidal activity.

    youdao

  • 双氢化牛脂主要用于除草剂杂环乙烷聚合物稳定剂、纤维水剂、抗静电柔软剂等方面

    Mainly used in herbicide, two heterocyclic oxygen ethane polymer stabilizers, waterproofing agent, antistatic agent and softening agent of fiber, etc.

    youdao

  • 对其中的1,3-二硫杂环戊烷类、2-酰噻唑类、5-酰噻唑类相应噻唑啉化合物的香味特征进行了归纳,发现它们都具有肉香味。

    It was found that 1,3-dithiolanes, 2-acylthiazoles, 5-acylthiazoles and the corresponding thiazolines, which contains the nuclear structure, possess meaty aroma notes.

    youdao

  • 对其中的1,3-二硫杂环戊烷类、2-酰噻唑类、5-酰噻唑类相应噻唑啉化合物的香味特征进行了归纳,发现它们都具有肉香味。

    It was found that 1,3-dithiolanes, 2-acylthiazoles, 5-acylthiazoles and the corresponding thiazolines, which contains the nuclear structure, possess meaty aroma notes.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定