查询词典 microwave

A microwave-assisted saponification was developed for determination of PCBs in mussel.

率先研究了将微波能应用于贻贝试样的皂化处理。

A series of 3-naphthyl-2--1,3-thiazolidin-4-ones were synthesized by the three-component one-pot cyclocondensation of naphthylamine, aromatic aldehyde and 2-mercaptoacetic acid using a microwave-assisted method in the presence of DMAP/DCC.

利用微波促进的多组分一锅法，在封管条件下，以萘胺、芳醛和巯基乙酸为原料，4-二甲氨基吡啶/N，N'-二环已基碳二亚胺为催化剂，合成了系列新的噻唑烷酮衍生物，该反应具有时间短、操作简便等优点。

Therefore, microwave digestion-Graphite Furnace Atomic Absorption Spectrometry is an appropriate method for determination of chromium in Nata de Coco.

微波消解——石墨炉原子吸收法测定椰果中铬是一种比较理想的方法。

A new dualistic intelligent hydrogel which responded to temperature and pH value of environment,Phydrogel,was introduced and synthesized from NIPA and AMPS by means of the pre-radiation of Microwave plasma.

研究表明，微波等离子体预辐射引发聚合制备的P二元智能凝胶具有高的吸水倍数、很好的温度敏感性和pH敏感性，是综合性能优秀的智能水凝胶。

The microwave synthesis is superior to conventional nitration in peak temperature and holding time.

微波高温合成技术的合成温度和合成时间较传统工艺具有明显的优势。

The capability of scavenging sodium nitrite and disconnecting nitrosamine synthesis with hawthorn extracts by microwave method were determined by spectrophotometry under simulated human gastric juice,and was compared with vitamin C.

通过微波法提取山楂的活性成分，在模拟人体胃液条件下，采用分光光度法测定了不同浓度的山楂提取液对亚硝酸钠的清除能力和对亚硝胺合成的阻断能力，并与Vc进行了比较。

Based on this model a novel board bandwidth microwave noise generator , which is composed of a digital algorithm part and an analog modulation part, is simulated.

摘要该文提出了微波压控振荡器的一种建模形式，以此为基础对一种采用数字信号处理和微波模拟信号调制相结合的新型微波宽带噪声发生器进行了建模仿真。

Moreover, the results from WAXD indicate that cellulose Ⅰ still contains noncrystalline and crystalline regions after microwave treating, but its crystallinity and crystal face dimension increase.

WAXD分析显示纤维素Ⅰ保持了原来的结晶形态，但结晶度和晶区尺寸增大。

The analysis of loss characteristics for nonideal waveguiding structures is one of the most important practical problems in microwave engineering.

引 言导波结构的损耗与由该结构组成的元件及系统性能的优劣直接相关，因此对它的精确计算在微波工程中占有十分重要的地位。

In directional radar the directional characteristic is affected by nonideal sum and difference performance caused by small mismatch of microwave bridge port.

在定向雷达中，微波和差器的不理想性，对单脉冲雷达定向特性构成了一定的影响，这种不理想性主要由组成和差器的微波桥各端口的小失配形成。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。