查询词典 chemical

Basic chemical and physical properties directly related to engine performance were reformulated. The laser phase doppler anemometry.

根据燃料设计概念，选用多种含氧燃料与柴油以不同比例互溶互混，改变燃料的输运参数和化学特性。

The present business covers transportation of chemical products, storage, dock, railway, freight anent, package processing, automobile maintenance and gas stations etc.

目前经营业务由化工运输、仓储、码头、铁路、货运代理、包装加工、汽车维修、加油站等。

The chemical properties of anesthetics are all so different, but their effects are all the same - curious!

各种麻醉剂的化学属性完全不同，但它们的效果是完全相同的——这让他们感到好奇！

The running principle and flow of the platform are illustrated by the example of Fe and sulfuric acid chemistry action. The system can animatedly displays chemical experiment process with expansibility, reliability characteristics.

结果表明系统具有易扩充、较好的可靠性、且能动态反映虚拟实验过程，提供了在现有网络基础下的分布式实现三维虚拟实验的一种新方案。

Organization: Institute of Chemical Engineering and Environment, Qingdao UniversityAbstract: A new Schiff base and its cupric complex of L-lysine and anisaldehyde were synthesized by stepwise synthesis method in anhydrous system, with basic essential amino acid L-lysine and natural product anisaldehyde as precursor.

摘 要：以碱性必需氨基酸L-赖氨酸和天然产物茴香醛为前体物，采用分步合成法在无水体系中制备了L-赖氨酸缩茴香醛单席夫碱及其铜配合物。

The technology of molecular-distillation for purifying star anise essential oil was researched, and chemical constitutions of essential oil and distilled substance were analyzed by GC-MS.

研究分子蒸馏技术纯化八角精油的工艺条件，利用GC-MS对精油及分离纯化的馏分进行化学组成分析。

The study supplied basis for empoldering wild botanical resources of Yunnan Province further and finding more chemical constituents with bioactivity in wild aniseed.

结论］该研究为进一步开发云南省的好生植物资源，寻找野生八角更多具有生物活性的化学成分提供了依据。

It can be used to identify elements and to analyze the chemical environment in the positron annihilation site.

重点包括谱仪的研制、系统的优化以及测量性能的提高。

The growing features of triploid Populus tomentosa (B304) were measured, the chemical composition variation with the increase of the annual ring was studied and the optimal felling cycle was roughly determined.

对三倍体毛白杨(B304)的生长特征进行了测定，并研究了三大组分随轮龄增加的变异情况，初步确定了最佳采伐周期。

Set up special process control system for anodize, chemical film, passivation, impregnation and pressure through writing or changing Working Instruction, Process Control Card and other process control charts.

通过编写或更新工作指导书，过程控制卡和其他过程控制图，建立阳极化、化学镀膜、钝化，浸渗，压力测试等特殊工艺控制系统。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。