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A new sequential step diagonal measurement method has been proposed based on the conventional diagonal measurement. In this method, the error in three axis directions can be divided 9 synthesis errors and they can be identified based on the values measured along four body diagonals.

通过对三个坐标轴方向的误差进行矢量分解,在现有的体对角线方法的基础上,提出了一种改进的分步体对角线测量方法,这种方法通过分步测量机床工作空间的四条体对角线可以快速获得分解后得到的9项位置误差。

Type 1; ordinary type; 2,(take a long time to work and television-type); III,(white-collar, no serious training-type activities) IV, serious; type (68 yuan is not Baoyou Fei), 2 (88 yuan is not Baoyou Fei), 3 (128 million), IV (288 yuan), 5 Diego Jiaoxin 100: Zishen with water, drop imaginary fire, Shugan Mingmu, and other functions, can control high-pressure, dizziness, tinnitus, insomnia, poor disease Flaccidity Foot Reflexology Diego, used his left hand and heart massage Youzu heart, heart with his right hand left foot massage heart of the 100 "on the Zuxin Fitness for "believing that it could" down with hot, strong physical body."

说明;二型、;三型、(白领、严重不活动锻炼型)四型、严重型;一型(68元不包邮费)、二型(88元不包邮费)、三型(128元)、四型(288元)、5型蹬踏脚心100次:具有滋肾水、降虚火、舒肝明目等功能,可防治高压、眩晕、耳鸣、失眠、足部痿弱等病症足底按摩蹬踏、常用左手心按摩右足心、用右手心按摩左足心各100次"足心上的健身术",认为其可"引热下行,壮体强身"。

The present doctoral dissertation was carried out to study the chemical constituents isolated from stems of two medicinal schisandraceous plants.34 compounds were isolated from the ethanol extracts of the stems S.henryi collected in the Jiangxi province by various column chromatographies.27 of them were identified on the basis of spectral analysis.There are 18 lignans,(including 5 dibenzocyclooctadienes,6 aryltetralins,2 tetrahydrofurans,3 diarylbutanes,2 other lignans),3 flavanols,2 glyceroesters,1 naphthoquinone,1 xanthine and 2 steroids,of which 6 compounds were new compounds,and 7 compounds were isolated from this family for the first time.

采用多种色谱技术进行分离纯化,从翼梗五味子藤茎的乙醇提取物中分离到34个化合物,综合运用现代波谱学技术鉴定了27个化合物,包括木脂素类化合物18个(其中联苯环辛烯类木脂素5个,芳基四氢萘类木脂素6个,四氢呋喃类木脂素2个,二芳基丁烷类3个,其他类型木脂素2个),黄烷醇类化合物3个,甘油酯类化合物2个,萘醌类化合物1个,黄嘌呤类化合物1个,甾体类化合物2个,其中,5个为新化合物,7个为本科首次报道。

Four phenanthroline derivatives of 2-phenyl-imazole [5,6-f]-(1,10) phenanthroline, 2-(4-hydroxy-phenyl)-imazole [5,6-f]-(1,10) phenanthroline, 2-(4-methoxyl-phenyl)-imazole [5,6-f]-(1,10) phenanthroline and 2-(4-formacyl-phenyl)-imazole [5,6-f]-(1,10) phenanthroline were synthesized, and twelve new complexes of europium were then synthesized with these phenanthroline derivatives as the first ligand and butyric acid, n-heptanoic acid and tetradecanoic acid as the second ligand.

合成2-苯基咪唑并[5,6-f]邻菲咯啉,2-(4-苯酚)咪唑并[5,6-f]邻菲咯啉,2-(4-甲氧基苯基)咪唑并[5,6-f]邻菲咯啉和2-(4-甲酰基苯基)咪唑并[5,6-f]邻菲咯啉等4种邻菲咯啉衍生物,并分别以其为第一配体,选择丁酸,正庚酸和十四酸为第二配体合成12种新的铕-邻菲咯啉衍生物-脂肪酸荧光配合物。

Four phenanthroline derivatives of 2-phenyl-imazole [5, 6-f]-(1, 10) phenanthroline, 2-(4-hydroxy-phenyl)- imazole [5, 6-f]-(1, 10) phenanthroline, 2-(4-methoxyl-phenyl)-imazole [5, 6-f]-(1, 10) phenanthroline and 2-(4-formacyl -phenyl)-imazole [5, 6-f]-(1, 10) phenanthroline were synthesized, and twelve new complexes of europium were then synthesized with these phenanthroline derivatives as the first ligand and butyric acid, n-heptanoic acid and tetradecanoic acid as the second ligand.

摘 要:合成2-苯基咪唑并[5, 6-f]邻菲咯啉,2-(4-苯酚)咪唑并[5, 6-f]邻菲咯啉,2-(4-甲氧基苯基)咪唑并[5, 6-f]邻菲咯啉和2-(4-甲酰基苯基)咪唑并[5, 6-f]邻菲咯啉等4种邻菲咯啉衍生物,并分别以其为第一配体,选择丁酸,正庚酸和十四酸为第二配体合成12种新的铕-邻菲咯啉衍生物-脂肪酸荧光配合物。

The Cambridge Companion to William Blake (2003) calls it "the most anthologized poem in English."

老虎!》一诗由四行体扬抑格四音步构成,音调铿锵有力,模仿打铁的声音。

However, the use of Aegliops tauschii in improvement of wheat yield trait has not been reported. In this study, T.durum-Ae.Squarrosa amphidiploids was crossed with common wheat PH85-16, then backcrossed with PH85-16. The variation characteristic of the main yield traits of BC1F1 and BC1F2 were analyzed. Then, QTLs affecting yield traits were detected by 130 SSR primer pairs of D genome in BC_1F_1 and BC_1F_2.The result showed chromosomes in D genome from Aegliops tauschii affected yield trait of wheat significantly.

本研究以二倍体小麦粗山羊草与四倍体硬粒小麦合成的双二倍体Am6为亲本,与普通小麦PH85-16 进行杂交,再用PH85-16 进行回交,对获得的回交后代进行了主要产量性状调查,利用位于小麦D 基组的SSR 分子标记进行了分子标记分析,对来自粗山羊草与产量性状相关的数量性状位点进行定位,探讨粗山羊草对小麦产量性状的影响。

The main breeding methods of triploid grape such as crossing between diploid and tetraploid cultivars, endosperm culture, using 2n gametes and bud mutation etc.

探讨了三倍体葡萄育种的主要途径如利用二倍体和四倍体杂交、胚乳培养、利用2n配子和芽变选择等。

Most primers amplified same bands in diploids, tetraploids and hexaploids. It suggest that D and AB genomes have high homology and D genomes be successfully transferred from diploid to hexaploid.

从供试的绝大多数引物均能在不同倍性小麦中扩增出相同的条带证明了D染色体组和AB染色体组间存在着很高的同源性以及利用二倍体和四倍体小麦杂交人工合成六倍体小麦的真实性。

The dimerization is thermodynamically unfavorable by the enthalpy. However, the formations of trimers and tetramers are very favorable thermodynamically even at high (1200 K) temperatures. Comparisons of the thermodynamic parameters of subsequent oligomerization are also given.

由焓变可知,单体形成二聚体在热力学上是不利的,而形成三聚体和四聚体在高达1200 K的温度下是有利的,同时分析比较了后续反应的热力学参数。

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你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。