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Three new alkaloidal heterocyclic compounds were isolated from the sponge spongia obligue collected from the South China Sea. Their chemical structures were established by UV, IR, MS, D NMR, D NMR and element |
中文意思: 首次报道从中国南海西沙群岛海绵Spongia obligue中分离得到 个新的含氮生物碱杂环化合物,通过IR,MS,DNMR,D NMR等波谱数据及元素分析确定它们的结构。 |
以下为相关句子列表(点击查看,可以看对应的解释):
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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. |
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Three new alkaloidal heterocyclic compounds were isolated from the sponge spongia obligue collected from the South China Sea. Their chemical structures were established by UV, IR, MS, D NMR, D NMR and element
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首次报道从中国南海西沙群岛海绵Spongia obligue中分离得到 个新的含氮生物碱杂环化合物,通过IR,MS,DNMR,D NMR等波谱数据及元素分析确定它们的结构。 |
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Three phycoerythrins ie B-phycoerythrinl(B-PE),B-phycoerythrin (B-PE)andb-phycoerythrin(b-PE)from Rhodosorus marinus were purified to electrophoresis purity:The molecular weights of the three phycoerythrins and their subunits were determined.
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从Rhodosorusmarinus中提取了藻红蛋白,通过改进纯化方法,得到了三种电泳纯的藻红蛋白:B-型藻红蛋白,B-型藻红蛋白和b-型藻红蛋白(以下简称B—PE,B—PE和b-PE)。 |
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Three samples of core-shell amphiphilic hyperbranched poly(sulfone-amine)(HPSA) were synthesized by end-capping of hyperbranched poly(sulfone-amine) with valeryl chloride,nonanoyl chloride and palmitoyl chloride in the presence of triethylamine.
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采用戊酰氯、壬酰氯和棕榈酰氯对超支化聚砜胺(HPSA)进行封端,合成了 种不同烷基末端的两亲性核壳型超支化聚砜胺,并将其用于小分子装载. |
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Three species,Disculina vulgaris,Geniculosporium serpens and Myxocyclus polycystis are reported as new records in China.
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内生真菌Disculina vulgaris、Geniculosporium serpens和Myxocycluspolycystis是从阔叶树和地衣组织中分离的中国 个新记录属、种。 |
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Three to five μ of CB-HRP (.8%) was injected into the mesocec-um in male rats (Spraque-Dawley variety) . Having survived for -8 hours, the animals were treated according to Mesulam - Rosen method.
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于四只Sprague-Dawley种系雄性大鼠( 0g左右)盲肠系膜两层腹膜间注射CB-HRP(酶标霍乱原B亚单位,.8%HRP浓度)8~μl/只,存活~小时,按Mesulam·Rosen程序灌注固定,取材后冰冻切成厚0μm的切片,TMB组化反应显色。 腹腔-肠系膜上神经节和交感干神经节都见有标记细胞。 |
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Three types of adaptive filters, the adaptive prediction error filter (APEF), the two-side tapped adaptive transversal filter(ATF) and the adaptive lattice filter (ALF), are considered.
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文中考虑了三种结构的自适应滤波器:自适应预测误差滤波器、双边抽头自适应横向滤波器和自适应格形滤波器,并提出了一种适用于QPSK直接序列扩展频谱系统的自适应格形滤波器,我们称之为自适应柱格形滤波器。 |
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