Cough was a chief symptom ( 69.6%). especially barking cough.

A Weighting Method for Barker Code of length 13 in SAW IF Pulse Compression System

SAW13位巴克码中频脉压的加权研究

Research on Self Anti-interference Barker Code Multiple Position Modulation

自扰抑制型巴克码多位置调制的研究

A Study on the Application of Neural Network to Enlarge Doppler Tolerance of Barker Code

巴克码多普勒容限带宽扩展的神经网络法研究

Barker code is the most commonly used frame synchronization.

巴克码是最常用的帧同步码组。

The characteristics of Barker code are discussed and simulated.

对Barker码进行特性仿真分析。

The first two synchronization algorithms employing Barker code and PN sequence.

前两种同步算法使用了巴克码与PN序列来提高同步性能。

Simulation Study on Application of Barker Code in the High Frame Rate Image System

巴克码在高帧率超声成像系统中应用的仿真研究

This paper describes the principle and process flow of preparation of detergent and cleanser from waste acid liquor generated in the production of barium titanic oxalate, the selection of aids and their dosage, and the achieved economic and social benefits.

介绍了利用草酸氧钛钡生产过程中产生的废酸液配制除污除垢剂的原理、助剂的选择和加入量、工艺流程及取得的经济效益和社会效益。

Study on the Preparation of Barium Titanyl Oxalate by Homogeneous Precipitation

化学共沉淀法制备草酸氧钛钡的研究

Identification of Mechanism and Investigation on the Kinetics of Thermal Dehydration of Barium Oxalate Hemihydrate

水合草酸钡脱水过程的机理判别和动力学研究

New channel of making hard barium ferrite

永磁钡铁氧体制备的新途径

Study on the Geometrical Effect of Microwave-absorbing Properties of Barium Ferrite

钡铁氧体吸波特性的几何效应研究

New Progress in Preparation Technique of Ultrafine M type Barium Ferrite Powders

M-型超微钡铁氧体粉末制备技术的最新进展

Effect of Particle Size on Microwave Absorption Property of Barium Ferrite

钡铁氧体的颗粒粒径与吸波性能研究

The effect of iron content on Self-propagating High-temperature Synthesis of barium ferrite

铁粉含量对自蔓延高温合成钡铁氧体的影响

Barium ferrite thin films possess excellent magnetic properties.

钡铁氧体薄膜有着良好的磁性能。

In this article, sodium oleate with different concentration is used to modify Barium Sulfate, Zinc Sulfide and lithopone. The specific surface area, specific pore volume and the average pore radius of the same samples were determined.

利用不同浓度的油酸钠对硫化锌、硫酸钡和立德粉进行有机化改性，测定了改性样品的比表面、比孔容、平均孔半径的变化。

The Surface Character of Organic Barium Sulfate, Zinc Sulfide and Lithopone

硫酸钡、硫化锌和立德粉有机化改性的表面性质

The paper explored the manufacturing process of substitute wollastonite flour for barium sulfide to produce the alkyd putty.

探讨了用硅灰石粉代替硫酸钡制造醇酸腻子。

Substitute Wollastonite Flour for Barium Sulfide to Produce Alkyd Putty

硅灰石粉代硫酸钡制醇酸腻子