查询词典 paper birch

Secondly,the paper expounds the era background and historical reason of "The Regulations on Birch Bark" formming.

第三，利用档案文书对《桦树皮律令》十八部文本的成文年代进行了考述。

The present paper carries on the raise first to the camptotheca acuminata roots of the hair, then in the use chloroform extraction camptotheca acuminata culture medium the camptotheca acuminata alkali and so on effective component, and examines the law with HPLC to examine its effective component, the examination discovers the camptotheca acuminata secretion in the culture medium secondary metabolite besides the camptotheca acuminata alkali, the hydroxyl camptotheca acuminata alkali, the white birch fatty acid, but also includes other effective components.

本论文先对喜树发根进行培养，然后使用氯仿提取喜树培养基中喜树碱等有效成分，并用HPLC检测法检测其有效成分，检测发现喜树分泌在培养基中的次生代谢产物除了喜树碱、羟基喜树碱、白桦脂酸外，还含有其他有效成分。

Thepresent paper carries on the raise first to the camptothecaacuminata roots of the hair, then in the use chloroform extractioncamptotheca acuminata culture medium the camptotheca acuminataalkali and so on effective component, and examines the law withHPLC to examine its effective component, the examination discoversthe camptotheca acuminata secretion in the culture medium secondarymetabolite besides the camptotheca acuminata alkali, the hydroxylcamptotheca acuminata alkali, the white birch fatty acid, but alsoincludes other effective components.

本论文先对喜树发根进行培养，然后使用氯仿提取喜树培养基中喜树碱等有效成分，并用HPLC检测法检测其有效成分，检测发现喜树分泌在培养基中的次生代谢产物除了喜树碱、羟基喜树碱、白桦脂酸外，还含有其他有效成分。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。