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And at this basement, analyzes the matching design between screw propeller and diesel engine, according design theory of screw propeller chart.

目前常用的螺旋桨图谱匹配设计涉及大量图、表及繁多复杂的计算公式,并且各图表有特定的适用范围,不利于设计应用和推广;船舶冷却系统中冷却水流量、水泵排量等主要依据主机标定点设计,而船舶在实际航行过程中主机主要运行在部分负荷状态,这样就造成了冷却能力过剩,冷却水温度过低,影响主机性能的发挥。

In process of geographical course selection, handle difficulty knowledge and easy dot knowledge correctly

在地理课程选择过程中,正确处理难点知识和易点知识的

It was pointed that the teaching self-controlling is a feedback process of teachers. In such process, the teachers can supervise, adjust and control themselves through self-feeling and adjudgement on the teaching effect. The intrinsic personality, intrinsic requirement, self-feeling and the satisfaction degree on teaching process are the main factors to affect on the teaching self-controlling. Based on the analysis, several suggestions were given to promote the teaching self-controlling in higher education.

指出教师教学自我监控是其在外在压力和内在需求的共同作用下,通过教师的自我感知使其对自己的教学效果进行自我判断,进而对自己的教学进行监督、调节和控制的过程;教师的个体特征、内在需求、教学效果的自我感知以及满意度是影响其教学自我监控行为的主要因素,并在此基础上进一步提出促进高校教师进行教学自我监控的几点建议。

To sum up, the research for the first time ascertained INA species in apricot trees and their activities by using the rational method to imatate the temperature dropping process in frost nights--computer temperature controlling with semiconductor cooling and artificial frost box with self-recording. Studies were given to responds of INA to freezing temperature of floral organs, biochemical cold resistance parameters, contents of ABA and IAA, chlorophyll fluorescent parameters of young fruits and tissue structure and ultrastructure of apricot. The mechnism of INA induced frost injury of apricot was found out. And it was demonstrated that INA is a critical factor in the inducing and aggravation frost injury of apricot floral organs.

综上所述,本研究采用能够准确模拟自然界霜夜降温过程的较为理想的方法——半导体致冷电脑控温和自动记录的人工霜箱,首次查明了10个杏树品种上INA细菌种类和冰核活性,从INA细菌对杏树花器官过冷却点、抗寒生理生化指标、激素ABA、IAA含量、幼果叶绿素荧光参数以及组织结构和超微结构的影响等方面进行了系统深入的研究,阐明了INA细菌诱发杏树霜冻害的机理,证明了INA细菌是诱发和加重杏花霜冻害的重要因素。

The paper presents a new detection method of abrupt change based on extended sequential probability ratio test innovation process.

在ESPRT检测方法的基础上,结合新息过程给出了一种新的变点检测方法。

This is very important- additional shellac during the pore-filling process will inhibit the operation.

这点很重要--填孔过程中多余的虫胶会影响填孔的质量。

Then, in the view of short-range weather forecast, water vapor fields in each typical process have been analyzed. The results indicate that there is significant increasing in the air column precipitable water over snow ranges when the snow is coming, snowy regions are in well agreement with the convergence regions of water vapor fluxes.

然后,利用国家气象中心T106L19全球模式的分析值格点资料等,分析各型下典型个例过程的水汽场情况,得到高原东部牧区强降雪天气前有气柱可降水量的明显增长,强降雪区与强水汽辐合区相对应,造成冬春季高原东部牧区强降雪天气的水汽主要来自孟加拉湾地区的结论。

It may be that the enzymes in the pathway could be good targets for designing drugs to treat sleeping sickness.

这个过程中涉及的酶可能对于设计治疗这种瞌睡病的药物提供了更好的研究靶点。

Main job is to guarantee the scraping interaction and equipment on both sides of the friction surface or can obtain higher precision and accuracy, precision and shape accuracy, precision and contact transmission because of good lubrication, manual and repeatedly is worthy, large amounts of wind, time-consuming, scraping the time needed for different devices vary, such as boring slider and slide block wind profiling, between the match before measuring clearance between the original value, and then according to the technical requirement to measure the value of time and scraping scraping, then apply DanFen red on the slider, manual let slip on the slide seat back and forth, they do straight-line movement between full contact and friction, reoccupy scraper scraping friction creates the contact point, so repeatedly, until the technical requirements for the match, single within 2 days, must blow to the boring if all the time to work with wind, a half month is required.

刮削过程。刮削工作主要是为了保证设备相互接触并摩擦的两面间能获得较高的尺寸精度、形状精度、位置精度、接触精度、传动精度和良好的润滑,因是手工操作且需反复配刮,故工作量大,耗时较长,设备不同,刮削所需时间也各不相同,例如镗床上滑座与下滑座间的配刮,刮削前先测量出二者之间原有的间隙值,然后根据工艺要求测算出需刮削值及每次的刮削量,再将红丹粉涂于上滑座之上,手工让上滑座在下滑座上来回做直线运动,使它们之间充分接触和摩擦,再用刮刀刮削摩擦产生出的接触点,如此反复多次,直至技术要求范围之内,单此项配刮需2天左右,若对于整个镗床所有配刮工作的时间总和,则需半个月左右。

The system uses B-spline to smooth the curve, and uses PID algorithm to make the move-process more precise.

描述了采用TMS32C32浮点DSP和10K10可编程逻辑器件的高速高精运动控制系统的构成,该系统使用 B样条插值算法对运动曲线进行平滑处理和用PID算法对运动过程加以控制。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力