四级的

Under this condition, superfine fragrant soybean oil which was more flavorful and pellucid met the national standards for 4th-class soybean oil.

此条件下得到的大豆油气味浓郁，透明澄清，符合国家四级大豆油标准。

It was found that Mg〓 was essential for maintenance of the quaternary structure of PK〓.

本试验还发现，Mg〓为维持PK〓的四级结构所必需。

This paper studies the main physiological indexes of seed stock of four-stage production courses of sweet potato.

以徐薯18为材料，研究了四级程序生产甘薯种薯的主要生理指标。

Based on sequence stratigraphy theory, three types of identification signs of sequence interface were identified and middle-lower Jurassic was divided into five third-order sequences and ten fourth-order sequences, then the sequence stratigraphic framework was established in Turpan sag.

摘 要：利用层序地层学理论，在吐鲁番坳陷中下侏罗统确定3类层序界面识别标志，划分出5个三级层序，10个四级层序，建立吐鲁番坳陷中下侏罗统的层序地层格架。

Stufe examinations in the country, the University is currently the German four test only college level examination in German , held annually in June.

Stufe 在国内考试中，大学德语四级考试是目前国内惟一的高校德语水平考试，每年六月举行一次。

C-Media's advertising media inventory ranging from bus shelters, telephone kiosk, billboard, bus body, subway, airport, haochide.com, dedicated advertising vehicles, taxi advertising display unit and more covers a network of many first ,second, third and fourth levels cities across China.

自2005年5月公司投入运营以来，C-Media已拓展了相当广泛的媒体经营网络，目前旗下拥有候车亭、电话亭、大牌、公交车体、地铁、机场、"haochide"网站、流动广告车、出租车等优势媒体资源，辐射范围遍及全国一级、二级、三级与四级各城市。

Methods: Glipizide gliclazide glyburide glimepiride gliquidone repaglinide nateglinide pioglitazone rosiglitazone metformin phenformin and tolbutamide added in the blank ground samples were extracted with 80% methanol and were separated from an ACQUITY UPLC DBH C18 column with a gradient mobile phase of acetonitrile - 0.2 % formic acid water solution. A tandem quadrupole mass spectrometer equipped with electrospray ionization source was used in positive ion mode multiple reaction monitoring was performed to quantify above mentioned compounds.

被添加在中成药制剂及其包装物中的二甲双胍、苯乙双胍、罗格列酮、吡格列酮、格列吡嗫娶瑞格列奈、甲苯磺丁脲、格列齐特、格列苯脲、那格列奈、格列美脲、格列喹酮等西药成分用80%甲醇提取，以乙腈- 0.2%甲酸水溶液为流动相梯度洗脱，在ACQUITY UPLC DBH C18色谱柱上分离，串联四级杆质谱检测，MRM方式采集并定量。

The results suggested that apoE C-terminal domain form a trimer in aqueous solution with high helix content.

从所得到的结果推测，此片段在此环境下时，四级结构可能为trimer。

Navy petty officer who is an assistant to a warrant officer.

下士：美国海军作四级准尉助手的小官

The destroyer Barrosa and sea tug Giant scurried in with 3500 gallons of detergent; it was like trying to douse a 4-alwi fire with a water pistol.

驱逐舰巴罗萨号和海上拖船巨人号载着3500加仑清洁剂紧急驶往出事海区。这就像企图用一把水枪去扑灭一场四级火情警报的大火一样。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。