植物化学

Efficacious drugs were made of these species for treatment of cough, phlegm, breathe heavily, especially, to cure lung disease. We have investigated on the Chemical constituents of Adenophora stenanthina subspecies xifengsis collected from Gansu Qingyang, and twenty four compounds were isolated from ethanol extraction by chromatography technigues. Twenty compounds were identified by means of chemical and spectra methods（IR, FAB-MS, EI-MS,〓,〓, DEPT , among which three compounds were new as 3βvanilloyloxy-stigmast-5-ene-7β-one; 3β-Vanilloyloxy-stigmast-5-en-7 β-ol; 3β-vanilloyloxy-stigmast-5-en-7β, 15 〓-diol.

我们对采自甘肃庆阳的西峰沙参Adenophorastenanthina subsp.xifengensis）进行了化学成分的研究，利用现代层析手段从该植物的乙醇浸膏中分离出二十四个化合物，经化学方法和波谱技术（红外，质谱，核磁共振谱）鉴定了二十个化合物的结构，其中三个为新的化合物，它们分别是：豆甾-5-烯-7-酮-3β-香草酸酯；7β-羟基-豆甾-5-烯-3β-香草酸酯；7β，15ξ-二羟基-豆甾-5-烯-3β-香草酸酯。

In order to find out the active components, the analysis on chemical composition of the leaf from Broussonetia papyrifera uangyechu through the technology of test tube and paper chromatography were accomplished. The results showed that the leaf contains phenols, amino acids, proteins, polypeptides, saponins, flavonoids and its saponins, sterols, and triterpenes.

为研究光叶楮叶中的化学成分，采用试管法和圆形滤纸层析法对其进行测定，结果表明：光叶楮叶片含有酚性成分、氨基酸、蛋白质、多肽、皂苷、黄酮及其苷类、植物甾醇、三萜等多种化学成分。

We have investigated on the chemical constituents of Nepeta partite collected from Gansu Zhuanglang, and twenty eight compounds were isolated from the methanol extraction of this species by chromatography techniques. Twenty five compounds were identified by means of chemical and spectra methods IR, FABMS, EI-MS,〓, DEPT, and 2D NMR）, among which four compounds were new as isopimar-15-en-3β, 8β, 20-triol; phenylethanal-3-O-（2'-glycerin）-5-O-β-D-glucopyranoside; 3-O-linolenoylglyceryl-6'-O-(α-D-galactopyranosyl）-β-D-galactopyranoside; ethyl rosemarinate.

我们对采自甘肃庄浪的康藏荆芥进行了化学成分的研究，利用层析手段从该植物的甲醇浸膏中分离出二十八个化合物，经化学方法和波谱技术（红外，质谱，一维和二维核磁共振谱）鉴定了二十五个化合物的结构，其中四个为新的化合物，它们分别是：异海松-15-烯-3β，8β，20-三醇；苯乙醇-3-O-（2'-甘油基）-5-O-β-D-吡喃葡萄糖甙；3-O-亚麻酰基甘油-6'-0--β-D-吡喃半乳糖甙；迷迭香酸乙酯。

Determining Toxicity of Several Chemical Pesticides Against Olethreutes leucaspis in the Laboratory LI Rong-Xing, ZHONG Yi-Hai, CHEN Ze-Tan (Institute of Environment and Plant Protection, Chinese Academy of Tropical Agriculture Science, Hainan Province, Danzhou 571737, China) Abstract: Using a stomach poisoning method, the toxicity of five chemical pesticides to Olethreutes leucaspis Meyrick larvae was determined under laboratory conditions.

几种化学药剂对三角新小卷蛾的室内毒力测定李荣幸，钟义海，陈泽坦(中国热带农业科学院环境与植物保护研究所，海南儋州571737)摘要室内条件下采用胃毒法测定了5种化学药剂对三角新小卷蛾幼虫的毒力。

Machining process and general information:· General Information – Tooling o Plan to have own engineering group as company expands o Hwasung is subcontracted to do engineering currently o Uses same cutting tools as in Korea facility – all diamond o Regrind tools if can o Hwasung has capability to surface grind, repair dies, and make molds with wire EDM process · General Information – Machining o Boundary samples are used: okay, borderline, not good o Quality room has separate windows for incoming and outgoing parts o New equipment will be coming in from FM LaGrange plant o Each operation has pictures and job instructions for what to check and which gage to use to check part o Parts are manually loaded into machine or pallet, depending on line o Auditor checks parts for verification: after operator checks part, puts in bin, auditor checks part and reloads back on line o Have tool management system o A pokeyoke check is used for orientation prior to loading o Machines are guarded o Mostly have CNC machines o Manual chip collection systems o If automated, have robots with grippers to load/unload parts from pallets o After final inspection, operator visually inspects and loads onto plastic dunnage with the crown up and loads into the washer o Repairs: filing down of burrs or sharp edges after anodizing the crown o Have 2 Excello machines for special machining of the pin bores o 2.7% scrap for gasoline pistons o Cycle time is 18 seconds for gasoline piston o Process – Wash o Spray system o 4 stations: heated wash, wash with degreaser, 2 rinse stations o Uses RO water o Operator blow dries piston and puts on dunnage with crown up o Parts wheeled into coating room o Needs major improvements here o Chemical analysis done for bath in chemical room o Comments/Observations: o Relatively small piston facility, but plans for additional space.

加工工艺和一般信息：·–的一般信息工具 o 有自己的工程集团，随着公司的扩展计划 o Hwasung 是分包做当前工程 o 用途相同的扦插工具，如在韩国设施–所有钻石 o 回收料工具如果可以 o Hwasung 已表面研磨，修复模具，和模具丝电火花加工能力过程·一般信息–加工 o 界限示例用于：好交界，不好 o 质量房间有单独的窗口传入和传出的部件 o 新设备会在来从调频拉格朗日植物 o Each 操作具有图片和工作说明的什么复选，计为使用检查部分 o 部件是手动加载到机器或托盘，取决于行 o 审计检查验证零件：置于 bin，运算符检查部分后，核数师检查部分并重新加载回行上 o 有工具管理系统 o 为 pokeyoke 复选用于在加载之前的定位 o 机被保护 o Mostly 有数控机床 o 手动芯片收集系统 o 自动，如果有与要加载/卸载部分从托盘 grippers 机器人 o 后最终检验，运算符将直观地检查并加载到与塑料衬垫冠了与到洗衣机负荷 o 修复：提交下毛刺或锋利的阳极氧化冠后 o 有 2 Excello 机特别加工的销孔 o 2.7%废料的汽油活塞 o 周期时间是为汽油活塞式 18 秒 o 过程–洗 o 喷射系统 o 4 站：加热洗、与脱脂剂洗、 2 冲洗站 o 使用反渗透水 o 运算符吹干活塞式并将了放冠衬垫 o 部件轮式进涂层房间 o 需要重大改善在这里 o 为在化学的房间里浴做的化学分析 o 注释/结论： o 相对小活塞式设施，但额外的空间的计划。

The present paper mostly concerned was the T. piniperda which was discovered in Yunnan Province, the research advances on Pinus yunnanensis volatiles and using the volatiles to trap T. yunnanensis were reviewed, the successful experiences of using plant volatiles to monitor and control Scolytidae was briefly summarized.

针对云南纵坑切梢小蠹，综述了云南松挥发性化学成分的研究现状及利用各种挥发性成分诱集云南纵坑切梢小蠹的研究进展，同时简要介绍了国内外其他地区利用植物挥发性化学物质监测和防治小蠹类害虫的成功经验。

Although it is certain that the flower of Trollius chinensis is a good antibacterial medicine, there are no studies on its effective substances and quality standard.The 60% ethanol elution through polymide was determined as antibacterial and antivirus portion according to pharmacological study. The chemical experiment isolated 18 compounds and identified 13 structures.

本课题通过对金莲花提取物的药效学试验，确立了聚酰胺60%乙醇洗脱部位为其抗菌、抗病毒有效部位；继而对该部位进行了化学研究，分离出单体化合物18个，鉴定化学结构13个，其中有7个是从金莲花中首次发现的新化合物，有4个是从金莲花属植物首次分离得到，所分离的化合物大部分是黄酮类，还有有机酸等。

Sample preparation especially the extraction of chemical components from medicinal plants is of the most time consuming, tedious a...

在药用植物的化学成分分析方面，样品的预处理尤其是化学成分的萃取依然是整个分析过程中操作最烦琐、最耗费时间也最易引入误差的一个环节。

PH, dissolved oxygen and chemical indexes for instance total nitrogens, total phosphorus, chemistry oxygen depletion; appraised phytoplankton species complexity; numerated phytoplankton cell density; analyzed various kinds of biological diversities.

主要测定了水温、透明度、pH、溶解氧等物理指标；总氮、总磷、化学耗氧量等化学指标；同时对浮游植物的种类组成、细胞密度和生物多样性指标进行了鉴定、记数和分析。

We want to buy Chemical Reagent, Agrochemicals, Chemical Processing Plants, Chemical Supplies

我们要采购化学试剂，农药，化学的处理植物

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了