noise criterion

An analysis on the fan noise pollution in paper mill and its control;

紙廠風機噪聲污染分析與控制方法

Transformer substation noise pollution assessment and its control;

變電站環境噪聲評價與防治

One approach to reducing noise of automobile rear axle gear assembling;

一種降低汽車后橋裝配中齒輪噪聲的途徑

Adopting the Nonsymmetrical Dents of Gear to Reduce the Abnormal Yawp of Gear Pump;

采用非對稱齒形減小齒輪泵的異常噪聲

Design of Software and Hardware Sound Sampling System for Pumping Station;

泵站噪聲采集系統的軟硬件設計

Design of Sound Acquisition and Analysis System for Hydraulic Pump Station;

一種液壓泵站噪聲采集和分析系統的設計

The Research of Testing Method for Hydraulic Shock Absorber Sound;

液力減振器噪聲檢測方法的研究

Noises Comparison Between Axial-flow Fan and Centrifugal Fan and Methods of Deereasing of Noises;

軸流式與離心式風扇噪聲比較及降低噪聲措施

The influence and prevention of highway noises to people;

公路噪聲的產生對人的影響及其防治

ECG analysis on still rolling workers exposed to high temperature and noises;

對接觸高溫噪聲的軋鋼工人心電圖分析

The author puts forward a research method recognize vehicle licence plate with noisy base on artificion neural network .

提出一種用神經網絡識別帶有噪聲字符的研究方法。

Objective: the difference of speech recognition score (SRS) of children treated with cochlear implantation(CI) or hearing aid (HA) in quiet and noisy environment were analyzed to help language rehabilitation.

目的通過分析語前聾人工耳蝸植入(CI組)與戴助聽器(HA組)兒童在安靜環境和在不同噪聲環境中的言語識別率的差異，為實施言語康復方案提供參考。

From the operating theory of switching supply transformer, the article put forward a simple and easy method to design it:according to operating frequency and output power, choose the magnetic cores which is necessary to design transformer so as to calculate parameter of coil; besides, discuss how to restrain the noisy.

本文從變壓器設計的基本原理出發,提出了一種設計開關電源變壓器的簡便方法,即直接根據變壓器的工作頻率和所需輸出的功率查表確定所需選用的磁性材料,從而確定變壓器線包各參數;并對如何抑制電源變壓器常見的噪聲干擾進行了探討。