查询词典 bases

Flowers usually in terminal panicles 6-12 cm; stamen or staminode filaments with long hairs in lower half; disk glands free among filament bases.

在顶生的圆锥花序6-12厘米里的通常的花；雄蕊或退化雄蕊花丝具长毛在下半部；在花丝基部中的花盘腺体离生。

objective to investigate the weight control behav iors and the related factors to middle school students, and to provide bases forpreventing health-risk behaviors.methodsquestionnaire surv ey was conducted among a cluster strati fied sample of 4 542 middle school students of grade one in junior middle schooland grade two in senior middle school.

目的 了解广州市中学生减肥行为现状及其影响因素，为预防中学生健康危险行为的发生提供依据。方法按随机分层整群抽样方法，抽取广州市4所中学初一到高二5个年级共4 542名中学生进行问卷调查；通过家长问卷收集学生的家庭背景资料，分析减肥行为与家庭因素的关系。

Evaluation of some Mannich bases of conjugated styryl ketones and related compounds versus the WiDr colon cancer in vitro.

朱志宏，徐秀娟。2，4-二羟基-3-芳氨基甲基苯乙酮和8-乙酰基-3-芳基-3，4-二氢-5-羟基-2H-1，3-苯并噁嗪的合成及其相互转化。

The concept of eigen subface is then proposed and a set of effective bases for human faces organ space are designed.

提出了特征子脸的概念，设计了有效的人脸器官空间基底，并给出了详细的求解方法及检测与跟踪策略。

The concept of eigen subface is then proposed and a set of effective bases for human face's organ space are designed.

提出了特征子脸的概念，设计了有效的人脸器官空间基底，并给出了详细的求解方法及检测与跟踪策略。

I was the Secretary for Japan's Tanaka acid in Shanghai, China set up production bases.

我司是日本日酸田中在中国上海设立的生产基地。

Bases can be provided for forensic medicine authentication and medical prevention and treatment by observing big rats＇ tectological changes caused by the injuries from inhaling crude oil fume and gas fume.

观察大鼠吸入原油蒸气和汽油蒸气对器官损害的组织形态学变化，可为法医学鉴定和医学的防治提供依据。

Objective To investigate the development tendence of aggressive and emotional disorder among pupils and the relationships between the development and selfcontrol, so as to provide bases for their psychological intervention.

目的 了解小学生攻击、情绪问题的发展趋势及其与自我控制的关系，为开展小学生心理行为干预研究提供依据。

Bis (P—bromobenzylamino) ethane and 1,2—bis (m—Iodobenzylamino) ethane may be prepared by condensation of the corresponding halo benzaldehyde with ethylenediamine and followed by catalytic hydrogenation of the Schiff's bases over Pto_2 in glacial acetic acid solutions: Both Ⅱa and Ⅱb may react in neutral mediam with aldehydes to form well—defined crystalline tetrahydro—imidazole, which may be served as derivatives of identification for aldehydes: Under the same condition, however,Ⅱb may ...

用1，2-二乙烷与二十余种醛类作用，得到有固定熔点的晶体衍生物，它们的熔点分布在85—210℃之间，产率为40—96％，这试剂与甲基酮类在相同条件下无反应，因此，它可作为鉴定醛类的专属试剂。 2。上述衍生物用稀盐酸在室溫处理，能发生水解，可以定量地收回原来的醛，因此这试剂又可作为分离醛类的试剂。 3。上述衍生物可以用非水滴定法半微量地测定其分子量可作为鉴定醛类的另一项参考数据。 4.1，2-二乙烷与醛类能生成晶体衍生物，但这试剂也与甲基酮在同样条件下发生反应，所以不适合作为鉴定醛类的专属试剂。

Discussed and analyzed the theories according to practical management main problems of conversion cropland into forest, the theoric bases were provided for these policy constructions.

针对解决我国退耕还林工程管理实践中存在的主要问题，从理论上进行了探讨和分析，以便为我国制定退耕还林工程后续政策提供理论依据。

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。