英语造句knock
发布网友
发布时间：2022-04-22 07:59
共4个回答
热心网友
时间：2022-06-18 05:11
This paper systematically describes the knock phenomenon.
本文对汽油发动机的爆震现象进行了系统的阐述。
The working principle, harm and suppression measures of engine knock are described. From analysis the structure, working principle of knock sensors, detection of failures of detonation sensors are discussed. Then it gives examples of fault of lj474q3e2 knock sensor.
从理论上概述了发动机爆震现象的产生机理、危害以及抑制措施，分析发动机爆震传感器的结构、工作原理以及常见故障的检测方法，并给出lj474q3e2爆震传感器故障维修实例。
This paper describes a system for knock detection in automobile engine using spark plug as a detecting probe.
本文描述了一种直接利用火花塞电极作为传感器检测汽车发动机爆震的方法。
Furthermore, the application of dds ( direct digital synthesis) for engine knock detection is introced.
介绍了直接数字合成技术（direct digital synthesis，dds）在发动机爆震检测中的应用。
This paper reports the results of a study on end gas autoignition and knock in thespark ignition engines.
本文介绍了火花点火发动机的末端气体自燃和爆震研究的结果。
The application of fiber optic photoelectric sensors to detect and measure engine combustion and knock was investigated.
利用光纤传感器对内燃机缸内燃烧及其爆震进行探测，探索光纤传感技术在燃烧测量中应用的可行性。
Making use of discrete wavelet transform to extract knock feature is researched.
研究了利用离散小波变换提取爆震特征的方法。
Knock signal characteristic can be drawn by knock sensor and can be utilized to judge the knock to take place accurately and the knock's intensity size.
利用爆震传感器提取爆震信号特征，可以准确地判断爆震是否发生，爆震强度大小，进而控制汽油机工作在期望的轻微爆震工况下。
The knock detection system makes spark advance angle approach critical knock, avoids strong knock in gasoline engine, and improves the power performance and fuel economy performance.
爆震检测系统可以使汽油机的点火提前角接近爆震临界点，避免汽油机发生强烈爆震，使其具有更好的动力性和经济性。同时还可以减小制造公差、环境变化和磨损等因素对产品造成的影响。本文作者针对cac480发动机爆震检测技术做了比较深入的研究，并提出了具体的解决方案。
Knock detection, identification and control for hcci engine are of great significance to the practical application of hcci combustion technology because the high load range of hcci is limited mainly by knock and fast combustion will lead to knock too.
在hcci大负荷边界主要受到爆震的*，在hcci工况内过快的燃烧速度也会带来爆震问题，因而，hcci发动机的爆震检测与识别以及爆震控制等问题，对于hcci燃烧技术的实际应用，具有重要意义。
A new kind of experiment equipment is designed for the starting knock of r4102dl diesel engine.
设计了一种新型试验装置，用于r4102dl柴油机起动敲缸的试验研究。
In order to prevent piston from knock and cylinder score, modern pistons with convex contour and vari-elliptical cross-section are designed, which can prolong piston longevity and enhance engine performance.
为了防止在高温、高压下工作的活塞发生敲缸和拉缸，提高其使用寿命和工作性能，活塞常被设计成中凸变椭圆。
The reason for locomotive diesel engine knock is analyzed, and the diagnosis and treatment method of it were put forward.
针对运用中内燃机车柴油机敲缸的现象及危害，分析了产生敲缸的原因，并提出了相应的故障判断和处理方法。
The results show that the actual influence is more serious than estimation. Therefore, in the design of diesel engine, the influence of starting knock should be taken into consideration.
结果表明：实际起动敲缸的影响比估计的情况要严重，在柴油机的设计中要充分考虑起动敲缸对强度的影响因素。
R4102d. L.diesel engine was set as an example to study the influence of starting knock on the strength of connecting rod, piston and piston ring.
以r4120d.l型柴油机为例，试验研究了柴油机起动敲缸对连杆、活塞、活塞环强度的影响。
Piston cylinder knocking and crank beating knock. Which stand for familiar engine abnormal sounds are compared and analyzed. The result proves that the signal to noise ratio is increased and the higher-frequency useful signal is recovered. The time-frequency map can display the features corresponding to time and frequency of fault signal which offers a practical strategy for diagnosis.
试验研究首先以模拟的信号模型为例，再针对实际的活塞敲缸响和曲轴轴承响两种常见异响故障进行比较分析，结果表明，分层阈值降噪法可以提高信噪比，恢复较高频率的有用信号，小波时频图可以清晰地呈现故障信号的时域和频域特征，为诊断提供一种切实可行的策略。
Ville distribution ( wvd) is applied to the separation of continuous knock response in diesel engine.
利用wvd方法对柴油机中连续撞击信号进行分离，取得了较好的效果。
After analysis, it was concluded that the pulling chains knock vehicle bottom rigid body with high-speed rebound after hitting the side frame of glass cover board was the main reason of abnormal signal.
经分析认为，该异常冲击信号的产生是由于牵引链条脱钩后撞击玻璃盖板边框后高速反弹敲击车辆底部刚体所致。
This paper introces the basic principle and characteristic of the higher position billet extractor which has been installed in the front of reheating furnace in the middle plate plant. The subsurface scrapes and knock marks has been eradicated ring the process of extracting the billet.
介绍新研制的中厚板高位出钢机的基本原理与特点，已用于某中板厂加热炉炉前，彻底根除了出钢时下表面擦伤和撞击疤痕的故障，提高板坯质量，并值得参考借鉴。
The solvable condition for the mps simulations was investigated in an enclosed calculation region and the reason for the numerical instability was analyzed when the mps particles knock at the solid wall or liquid surface is with a relatively large velocity.
分析了mps方法求解封闭区域流动的有解条件、自由面流动中粒子以较大速度撞击壁面或液面时出现的不稳定现象。
热心网友
时间：2022-06-18 05:11
1 knock+at/on 敲击
EG Why don't you knock before you come in?进来之前为何不敲门？
She knocked at the door timidly,她小心翼翼地敲了敲门。
2 knock sth dowm/over把某物撞倒
EG The car knocked down that boy. 汽车撞倒了那个男孩。
3 knock sth 指责，批评某物
EG Don't knock him ,it's not his fault.不要指责他了，这又不是他的错。
4 knock sth about 踢球
EG The boys are knocking the ball about the yard.男孩们在院子里踢球玩。
PS get a knock(n.) 被撞了一下
EG he got a knock on the shoulder when he fell down.他摔倒时胳膊被撞了一下。
热心网友
时间：2022-06-18 05:12
你好，很高兴为你解答。
1.knock on：敲
She went directly to Simon's apartment and knocked on the door.
2.敲的声音
They heard a knock at the front door. 他们听到前门有一敲门声。
3.碰撞
She accidentally knocked the glass off the shelf. 她无意中把架子上的玻璃杯碰了下来。
谢谢
热心网友
时间：2022-06-18 05:13
Someone is knocking at the door.
