查询词典 chemical compound

Studies this kind of plant the scientist regards as the vegetable kingdom most complex plant the hemp, because it contains 400 active chemical compositions and the compound.

研究这种植物的科学家将大麻视为植物王國最复杂的植物，因为它包含四百种活跃化学成分与化合物。

Since compound 3 , particularly in solution, is of limited chemical and thermal stability, this also meant suppression of the potential degradation products 14 , 15 , and 16 during work-up and storage.

自3化合物，尤其解决是有限的化学和热稳定性，这也意味着压制潜在降解产物14、15、16，在工作和储存起来。

Tin compound was coated on the surface of the calcium zincate by chemical deposition.

采用化学沉积法在四边形锌酸钙表面包覆一层金属锡化合物。

This product is rich in OPC from grape, many kinds of vitamins and mineral. It can also nourish your hair when you use it to dye your hair. It can effectively prevent damage from ultraviolet and chemical substance. Its compound pigment particles can make your hair refresh and shiny. GDS can help form a cerated film on the surface of hair and your hair will look shiny and vigorous. It has used the newest way to lock color so that artificial pigment particles and natural pigment particles can be well integrated and the color can last for long.

成份功效：富含从天然葡萄中提取出来的OPC葡萄多酚、多种维他命及矿物质，染发的同时滋养秀发，有效防护紫外线及化学物质的伤害；复合性色素粒子，令染发效果更鲜艳，亮丽；GDS增光因子，能在发丝表面形成一层天然蜡膜，令秀发光亮润泽，充满生机；最新固色方法，使人工色素粒子和自然色素粒子结合更紧密，颜色效果更持久。

Cholic acid is a natural compound that is synthesized in the animal body, which has special chemical structure and good biocompatibility.

胆酸是哺乳动物体内合成的一种天然化合物，具有特殊的分子结构和优良的生物适应性。

The compound HCB-01712-2 has been isolated from the broth of Claviceps HCB-01712,by the analyses of its physico-chemical properties,UV,ESI-MS and NMR spectra data,the structure of HCB-01712-2 has been identified as methyl vanillate.

从麦角菌(Claviceps sp。)HCB-01712的发酵液中分离纯化得到化合物HCB-01712-2，经理化分析、紫外吸收、质谱及核磁共振谱分析，确定该化合物为香草酸甲酯。

A: Liqui-hard is a concrete densifier and chemical hardener compound that is aready-to-use, colorless liquid, consisting of reactive chemicals that deeply penetrate the surface of concrete.

LIQUI-HARD是一种混凝土致密硬化剂，它是无色、单组分的液体。

Said chemical matter comprises compound containing ammonium and halogen atom absorption, and lower carbon number hydrocarbons containing halogen atom and it's derivant; it can be used separately or together with urea, ammonia gas and natural gas.

这些化学添加物包括含有铵和卤原子的化合物、含有胺及卤原子的化合物以及含有卤原子的低碳烃及其衍生物，可以单独使用或与尿素、氨、天然气等主还原剂混合使用。

Taxol,a diterpene compound derived from Taxus brevifolia,is oneof the most effective anti-cancer natural chemical drugs.It is clinically used for thetreatment of ovarian and breast cancers.

紫杉醇(taxol，paclitaxel)是一种从紫杉中分离出来的双萜类化合物，是目前已知的最有效的抗肿瘤天然化学药物之一，适用于卵巢癌和乳腺癌等的临床治疗。

As a part of a search for new antitumor agents from Chinese medicinal plants, the roots of Salvia prionitis, collected in Jiangxi Province, was investigated. From the roots of this plant, a new diterpene, saprirearine (95), a new anhydride-type compound, saprionide (96), a new 7, 8-seco-abietane diterpene derivative, 7, 8-seco-paraferruginone (99), and a new 4, 5- seco-5, 10-friedo-abietane diterpenoids, 3-keto-4-hydroxysaprorthoquinone (102), have been isolated along with 6 known compounds. Their structures were established by spectroscopic methods and chemical transformation.

在对红根草的乙酸乙酯提取物进行分离，纯化和结构研究中，共得到10个化合物，其中4个是新化合物，3个新化合物具有新颖的重排松香烷型二萜骨架，新化合物99为首次从本属植物中分得的7，8-开环的松香烷型二萜醌类化合物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。