查询词典 chemical compound

Methods:the preparation procedure of β cyclodextrin inclusion compound of pennyroyal was studied by orthogonal test with 3 factors: pennyroyal, temperature and time.the inclusion compound was proved by thin layer chromatography and microscope.results:the optimum preparation conditions for inclusion compound were established as :pennyroyal 2.5 ml ,inclusion temperature was at 50℃ and for 3.5hr.

用正交实验法研究配比、温度、时间三个因素对薄荷油β环糊精包合物的饱和水溶液法的制备工艺的影响，考察包合物的收率，并用tlc、显微影像验证包合物的形成。结果：最佳的工艺条件薄荷油2.5 ml，包合温度50℃，包合时间3.5 h。

The mechanism of photosensitivity and phototaxis was studied with optical andelectrophysiological method. The results are as follows:1 among three kinds of Chysopa peral. of the compound eyes show little daily change in Chrysopa sinica Tjedar .The model and color of psesudpopupil show significant daily change in Chrysopa septempzhbybimctata Wesmacl and Chrysopa formosa Brauer, color and diameter of the psesudpopupil of the compound eyes in Chrysopa septempunctata Wesmacl make rapid change at noon, afternoon ,night are similar ,but make little change in the morning and the next morning. Diameter of psesudpopupil of compound eyes is the biggest in the afternoon, which of Chrysopa formosa Brauer, is the biggest at noon.

本文应用光学及电生理学方法对棉铃虫优势种天敌—中华草蛉、大草蛉和丽草蛉3种草蛉的感光和趋光机制进行了研究，主要研究结果如下： 1、中华草蛉、大草蛉、丽草蛉复眼伪瞳孔大小、颜色昼夜间有节律性变化，且种间具有不同的变化模式。3种草蛉中，中华草蛉复伪瞳孔大小昼夜节律变化不明显，其模式和颜色上亦基本无变化，中间为一小黑点，其外围是绿色，最外层为红色，形状为正六边形：大草蛉、丽草蛉的复眼伪瞳孔大小昼夜间不同，大草蛉的复眼伪瞳孔在中午、下午、晚上变大，早晨和次日早晨基本一致，但次日早晨稍小些。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的单晶结构分析表明1具有四配位平面四边形结构，化合物8是白花丹素的Na盐，以离子化合物形式存在；化合物9～16为白花丹素的La，Y，Dy，Sm，Gd，Nd，Er，Eu的稀土金属配合物；化合物17是白花丹素的双核钇结构；化合物18为白花丹素的单核钇结构，该配合物除了含白花丹素外，还有来自白花丹植物中的另一个单体化合物也参与配位；化合物19～21是以2，2\'-联吡啶和邻菲咯啉等含N配体为辅助配体，具有白花丹素—含N配体—金属离子的三元配合物，化合物19是白花丹素和2，2\'-联吡啶与Cu的配合物，具有五配位的四方锥构型，通过Cu…O弱的成键作用形成二聚体，再通过分子间的氢键作用进一步形成一维链状结构，化合物20和化合物21是白花丹素分别与2，2\'-联吡啶和邻菲咯啉的Zn配合物，都具有六配位八面体构型的双核锌配合物，呈一维链状结构，化合物20中链与链之间的大量氢键将一维链扩展成二维层，分子间的π-π堆积作用进一步形成三维结构。

Magnificent inside and outside the province to recruit well-known expert group set up fertilizer experts, mainly the production of compound fertilizers, compound fertilizers, mixed fertilizers, organic one inorganic compound fertilizers, ecological fertilizer, long-acting nitrogen fertilizer, nitrophosphate , particulate ammonium bicarbonate, potassium sulfate particles, red fertilizer, foliar fertilizer, etc..

商丘市雄壮肥业有限公司聘请省内外知名肥料专家成立专家组，主要生产复混肥料、复合肥料、掺混肥料，有机一无机复混肥料、生态肥、长效氮肥、硝酸磷肥、颗粒碳铵、颗粒硫酸钾、冲施肥、叶面肥等肥料。

Intra-family comparison resulted in the findings of the four developmental stages of the indicative supplemental structure of the Tibeto-Burman group from primitive, adhesive, compound, adhesive-compound (single or no structural auxiliaries), adhesive-compound (frequent use of structural auxiliaries with syntactical value).

通过语族范围内述补结构的比较，根据各语言述补结构的特点将藏缅语的述补结构的发展归纳为四个阶段：萌芽状态的述补结构阶段，粘合式述补结构阶段，组合、粘合式述补结构阶段第一级，组合、粘合式述补结构阶段第二级(结构助词丰富，有重要的句法地位)。2、揭示汉、藏缅、壮侗、苗瑶各语族述补结构的异同及这些异同产生的机制。

Intra-family comparison resulted in the findings of the four developmental stages of the indicative supplemental structure ofthe Tibeto-Burman group from primitive, adhesive, compound, adhesive-compound (single or no structural auxiliaries), adhesive-compound (frequent use of structural auxiliaries with syntactical value).

通过语族范围内述补结构的比较，根据各语言述补结构的特点将藏缅语的述补结构的发展归纳为四个阶段：萌芽状态的述补结构阶段，粘合式述补结构阶段，组合、粘合式述补结构阶段第一级，组合、粘合式述补结构阶段第二级(结构助词丰富，有重要的句法地位)。2、揭示汉、藏缅、壮侗、苗瑶各语族述补结构的异同及这些异同产生的机制。

The first-way shows that the virus can be inactivated firsthand by the flavonoid compound; The second-way shows the flavonoid compound can inhibit virus replication by inhibiting the activity of ptyalin; The third-way reflects the flavonoid compound can interdict adsorption.

第一种给药方式说明黄酮类化合物可以直接灭活H5N1病毒；第二种给药方式说明黄酮类化合物可通过抑制流感病毒唾液酶的活性，从而抑制病毒粒子的复制；第三种给药方式反映一定浓度的药物可以阻断病毒对细胞的吸附作用。

The invention relates to a method for adopting a compound reducing agent to reduce and decompose phosphogypsum; the method comprises the following steps of: using high-sulphur coal and coal gangue to prepare the compound reducing agent; utilizing tail gas to dry the phosphogypsum and the compound reducing agent which are ground and mixed evenly and then transferred into a reducing and decomposing furnace; carrying out reduction and decomposition till the reaction is completed.

要約 本发明涉及一种采用复合还原剂还原分解磷石膏的方法，该方法将高硫煤和煤矸石配成复合还原剂，再将磷石膏、复合还原剂利用尾气烘干、磨细后混匀送入还原分解炉，进行还原分解，直至反应完全。

In order to obtained the six-membered ring compound and a thorough assignment of the spectra, and further to prove that the six-membered ring compound was formed from the hydrogen transfer, the compound N-butyl-4-(N-methylphenylamino)-5-amino- 1, 8-naphthalimide 6 was designed to obtained with N-butyl-4-bromo-5-amino-1, 8-naphthalimide and N-methyl phenylamine as the starting material. However it was difficult to obtain the desired product as the different solvent giving the different products except the desired product.

为了能够得到六元环化合物作为定标的物质及其确切的谱图分析结果，并且为了进一步证明由五元环产物通过氢转移得到六元环产物的正确性，设计用N-丁基4-溴-5-氨基-1，8-萘酰亚胺与N-甲基苯胺反应生成N-丁基-4--5-氨基-1，8-萘酰亚胺6，结果发现这种方法很难实现，选择不同的溶剂会生成不同的产物，却都不是目标产物。

The corporation to develop from the action scilicet that establish, production and promotion new material and in lieu of iron, supersede the lumber product the material for oneself to allow, resolve the evolution that the Chinese material resource in push supersedes, supersedes the iron, lumber vocation, the amalgamation sets out from the current problem " City trap " in settle, cooperates with the science and engineering university south of R.O.C., Hubei the science and engineering university development section grinds, the year of on stream produces 50,000 high and strong and colorful manhole cover of compound material, water grate, the year produces 150,000 even meters the high and strong and colorful tree of pattern of landscape of round the trench the blind flange, low cost substitution iron no burn brick 、building block produce with the stock, the new uses the stock with the cargo, diseases of compound material road cage、 protective cage of pattern of landscape, the low cost site the photocopy to model the culture bricks, the productive capacity of the set grasses bricks, curb stone, compound calcium silicate culture stone, careful choose to anticipate, set the new formula, amalgamation can seconded client the necessity designs the build, color, pattern sign, green environmental protection, and hue saturation, the texture is delicate, the employment put together economic effects, social performance is very addicted.

公司自成立之初即以研发、生产及推广新型材料及替代铁、替代木材产品材料为己任，立志于推动中国材料资源替代、替代铁、木材行业的发展，并从解决当前"城市陷阱"这一问题出发，与华南理工大学、湖北理工大学开展科研合作，投产年产5万套景观型高强彩色复合材料检查井盖、雨箅，年产15万平米景观型高强彩色树围沟盖板，低成本代铁免烧、砖砌块生产用托盘，新型商用货用托盘，景观型复合材料道路隔离栏、护栏，低成本现场压印成型文化路面砖，植草砖、路沿石、复合硅酸钙文化石的生产能力，严谨选料，创新配方，并可根据客户需要设计造型、颜色、图案标志，绿色环保，而且色彩饱和，质感细腻，使用综合经济效益、社会效益很好。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48