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Three constituents were isolated from Adina rubella. Their structures were identified as β-sitosterol, quinovic acid, -oxo-urs--ene-7, 8-dioic acid.
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从细叶水团花中分离到 个化合物,经光谱和化学方法鉴定为β-谷甾醇(Ⅰ),quinovic acid(Ⅱ), -oxo-urs--ene-7,8-dioic acid(Ⅲ)。 |
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Three dimensional sequences of Quaternary river channels and point bars can be clearly seen in high quality boomer seismic profiles, engineering boreholes, and three\|dimensional seismic data from the Gulf of Thailand.
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根据大量的三维地震、布玛 (Boomer)以及工程钻井资料分析了泰国湾内第四纪的河流演化、沉积层序建造及其与海平面变化的关系 . |
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Three dual-impeller configurations were tested with respect to power consumption,gas-liquid volumetric mass transfer coefficient with the combination of surface aeration and sparger aeration at the gas superficial velocity of .,.90 and 7. mm/s.
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在直径 80 mm、液位为 0 mm的表面曝气反应器中,表观气速为.,.90,7. mm/s的条件下,实验测定了 种不同构型的双层桨组合的气液传质系数和搅拌功率。 |
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Three experiments had been done to examine the effect of subgoal encoding of examples on the access of principle and generalization in new problem solving.
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通过 个实验 ,分别研究了样例的不同编码对消除由于表面概貌和表面对应变化对原理通达带来的消极影响的作用以及样例学习中原例概化的形成阶段。 |
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Three fluorescent probes were used: one that detects all known bacteria (Uniprobe) , another detects Escherichia coli ( ECprobe ) and the last is specific for Staphylococcus aureus(SAprobe).
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三个荧光探针:一个为检测所有细菌的通用探针(Uniprobe); 一个为检测大肠杆菌的特异性探针(Ecprobe):一个为检测金黄色葡萄球菌的特异性探针(SAprobe)。 |
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Three greatest characteristicses of the system:. The user can choose time/flow charge mode and different user type (normal, prepay and month);
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用户可选择按时间/流量进行计费,可以选择不同的用户类型(常规/预付费/包月交费方式); |
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Three issues in constructing demonic democracy constitutionalism
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建设人民民主宪政三题 |
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Three kinds of FCC-certified UWB chipset Which are Freescale's XS0,Domain's PulsON 00 and General Atomics' s Aspen are overviewed.
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介绍获得FCC批准的三种超宽带(UWB)芯片:飞思卡尔公司的XS0芯片,Time Domain公司的PulsON 00芯片以及General Atomics公司的Aspen芯片。 |
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Three lithostratigraphic units are recognized along the Yarlung Zangbo Grand Canyon, Xizang: Namjagbarwa Group (Pt nj), Daguaiwan Group (Mz) and Gangdise Group (Pt gd).
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雅鲁藏布大峡谷地区主要有南迦巴瓦群 (Pt nj)、大拐弯群 (Mz)和冈底斯群 (Pt gd)三个岩石地层单元。 |
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Three methods of computing Rp0.: E - paralleled line, lagged loop and progressive approach, and realizing principles of calculating Rp0. by 0. Rm-0.Rm, and the idea of calculating key points were introduced.
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介绍了计算规定非比例延伸强度Rp0.的 种方法——E-平行线法、国际标准滞后环法和逐步逼近法及其相应的实现原理和用0．Rm-0.Rm计算Rp0.的原理以及其它关键点求取的思路。 |
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Three neutral solvent-metal extraction systems,TBP-UO_Cl_,TBP-UO_(NO_ )_ and (C_7H_ )_SO-UO_ (NO_ )_,have been tested solely by thermodynamical method.
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用纯热力学方法研究了:TBP-UO_Cl_,TBP-UO_(NO_ )_和(C_7H_ )_SO-UO_(NO_ )_等三种中性溶剂金属萃取体系. |
