查询词典 chemical compound

The main products are: enzymes (phytase, compound enzyme, xylanase, protease, pectinase, amylase, cellulase enzymes) Probiotics (dimethylamino potassium compound probiotics), chemical (sugar beet alkali, etc.) the current domestic market coverage 25 provinces, autonomous regions, the international market has also covered some 20 countries.

主要产品是：酶制剂（植酸酶，复合酶，木聚糖酶，蛋白酶，果胶酶，淀粉酶，纤维素酶等）益生素，化工类目前国内市场覆盖25个省区，国际市场也覆盖20几个国家。

Said cathode material is compound material consisting of copper and selenonium, especially having different chemical element proportional of copper - selenium compound: copper diselenide, copper selenide, cuprous selenide.

该阴极材料是由铜和硒组成的化合物材料，具体为含有不同化学元素比例的铜-硒化合物：二硒化铜、硒化铜、硒化亚铜。

In order to check the corresponding compound at 31P NMR –45.4 ppm, stable pentacoordinate spirobicyclic 2-phenoxy-1,3-phenylene-dioxo-1,3,2-iminoacetoxyphosphoranes were synthesized through a new and efficient method whereby phosphorus pentachloride was displaced stepwise by catechol, N,O-bisamino acid and phenol, or catechol, phenol and N,O-bisamino acid, their 31P NMR chemical shifts are at about 31P NMR –45.0 ppm, the results showed that the compound 4 at 31P NMR –45.4 ppm was pentacoordinate phosphorane containing amino acid residue.

采用磷谱跟踪来研究上述成肽反应机理。例如在氮气保护下，0.1mmol O，O-亚苯基磷酰氯（1）和0.15mmol N，O-二苯丙氨酸（2）苯溶液加入0.6ml核磁管中，混合均匀，反应过程用磷谱检测。反应1分钟后，起始原料1(δp=19ppm)很快转变成N-磷酰苯丙氨酸的三甲基硅基酯（3）(δp=19.8ppm)，在8分钟内，3完全转变成苯丙氨酸磷烷4(δp =-45.4ppm)，同时出现环磷三酯（6）(δp=3.5ppm)。随着反应的进行，对应于化合物4的峰逐渐变小，而6逐渐变大。

The chickens in the 3 dose groups of Chinese herbal medicine were fed with the feedstuff respectively containing 0.5%, 1% and 2% compound Chinese herbal medicine, in chemical pigment group, containing 30 mg/kg of carophyll yellow and 10 mg/kg of carphyll red. The test was carried for 4 successive weeks after adaptive period of 4 days. The color of foot and chest skin was compared. The results indicated that compound Chinese herbal medicine at high and middle doses could markedly increase the colors of foot and breast skin(P 0.05), without significant difference between high and middle dose group.

试验3、剂量筛选将筛选出方3分为低、中、高三个剂量。10日龄三黄肉鸡150只，随机分成5组，对照组饲喂基础日粮，中药的3个剂量组分别在日粮中添加0.5％、1％和2％的方3，化学合成色素组添加30 mg╱kg加丽素黄和10 mg／kg加丽素红，适应期4d后连续饲喂4周，比较各组的增色效果。

By timely and spatially controlling the physical and chemical characteristics of the fuel at both port injection stage and in-cylinder direct injection stage, HCCI/DI stratified compound combustion is developed to combine the advantages of HCCI and conventional DICI on cycle-to-cycle basis and achieve clean and efficient combustion at full load ranges without misfiring and knocking.Firstly, three types of dual fuel including n-heptane/diesel, iso-octane/diesel and ethanol/bio-diesel a...更多re utilized to investigate the combustion and emission characteristics of HCCI/DI stratified compound combustion. The experimental results indicate that n-heptane/diesel HCCI/DI combustion presents a three-stage heat release consisting of HCCI low temperature heat release, high temperature heat release and diesel diffusive combustion.

本文提出的基于燃料设计与管理的HCCI/DI分层复合燃烧是一种将HCCI燃烧和传统缸内直喷压燃融为一体的新型燃烧方式，通过对燃料理化特性的设计和在预喷与直喷阶段从时间尺度和空间尺度上对均质和非均质混合气制备过程的控制和管理，在发动机的一个工作循环中将均质混合气的HCCI燃烧和非均质混合气的DICI扩散燃烧相融合，彻底消除了HCCI燃烧在小负荷失火和大负荷爆震的弊病，实现了发动机全负荷范围内的高效清洁燃烧。

In the contaminated lard sample, 6 organic compounds have been thus identified to be the raw materials or byproducts in the production of organic tin compounds. Based on the identified contaminants, it can be postulated that the chemical structure of the organic tin compound is dibutyltin-bis-(2-isooctyl thioacetate). The method is simple and precise, and has not been reported in the local literature.Keywords Organic tin compound, Lard, SPME－GC－MS

经过摸索研究，采用固相微萃取方法富集挥发性杂质，直接注入色谱中，经色谱分离，质谱测定，确定了杂质的结构，由杂质成分推断生产有机锡所用的原料，然后判断合成路线，最后确定有机锡的结构，从有毒猪油中鉴定出2－巯基醋酸异辛酯、双（2－醋酸异辛酯）二硫、双醋酸异辛酯硫醚等6种与有机锡有关的杂质，并与相应的有机锡工业品对照，发现工业品中也含有这些杂质，与其合成过程的原料及副产物相符，从而确定有机锡化合物为二硫代醋酸异辛酯二丁基锡。

The trial results by statistic analysis show that the fertilizer effect of organo-inorganic compound fertilizer is nearly same to that of inorganic compound fertilizer, the fast release of commercial organic fertilizer is also similar to that of chemical fertilizer.

通过茄子在无肥、商品有机肥、无机复混肥和有机无机复混肥4处理的一次基肥使用试验，对产量、开展度、花蕾数、结果数和单果量考察和统计分析反映出：有机无机复混肥与无机复混肥的肥效基本相同，商品有机肥似具有与化肥一样的速效性，要使有机肥发挥肥效，只有增加有机肥使用量，不能期望通过有机无机复混肥中加入少量有机肥来体现有机肥的肥效。

Absorb absorbed absorbefacient absorption adsorb adsorption sorb sorption molecule The smallest particle into which an element or a compound can be divided without changing its chemical and physical properties; a group of like or different atoms held together by chemical forces.

分子能被分的没改变化学和物理成分的一个单元或化合物的最小粒子；由化学力聚在一起的一组相似或不同的原子(1)mol 词根大块；堆；球 biomolecule demolitionn。

Especially to atomic structure, chemical bond theory and molecular structure, coordinate chemical compound ,etc.

重点对原子结构、化学键理论与分子结构、配位化合物等进行图片或动画素材的制作。

In the coordination compound chemical bond mainly was refers to between the central ion and the legend chemical bond .

配位化合物中的化学键主要是指中心离子和配位体之间的化学键。

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