保护

So, basing on the reproduction research of non-human primates at home and abroad, we carry on this research to get more understanding on reproductive physiology of Francoisi langur and then lay the theoretical foundation for manual breeding and expanding species quantity of Francoisi langur.

因此，对黑叶猴的保护研究显得尤为迫切，人工饲养和迁地保护作为一种保护该物种的方式而日益受到重视，而且迁地保护对黑叶猴的繁殖研究提供了非常便利的条件。

Both the protection and deprotective group methods for the amino-group on side chain of a new N-pivot lariat crown ether were studied comparatively.

研究了一种新的氮支套素冠醚侧链上氨基的保护和脱保护基方法，结果表明，由过量乙二胺与对甲苯磺酰氯反应得到的单保护乙二胺（N－对甲苯磺酰基乙二胺4a），经N－烷基化环化反应，然后在氢化铝锂存在下脱除保护基，即可制得最佳产率的N－（2－氨基已基）单氮杂－12－冠－4（1）。

The protection system of small intelligent flameproof vacuum magnetic starter used in mine which is composed of 80C196KC single chip microcomputer of MCS 96 series was introduced, in which short circuit protection, open phase protection, overload protection were realized by software.

介绍用MCS - 96系列的 80C196KC单片机构成的智能化矿用隔爆小型真空磁力启动器保护系统，其中短路保护、断相保护、过载保护均采用软件实现。

Power station is an important composition of a ship. Ship motor relay-protection equipment is an importance guarantee for safe power supply of ship power system. In order to realize experimental education innovation, we inquire into the experimental equipment of ship motor relay-protection. It will make student, who are major in maritime engineering , know the equipment of ship motor relay-protection and the mechanism of air circuit breaker better. Then they will be persons who are accord to the STCW78/95 pact. On the other hand this research will be powerful quest for computer-controlled ship motor relay-protection testing equipment.

船舶电站是船舶重要组成部分，船用发电机的继电保护装置是船舶电力系统安全供电的重要保证，为了实现实验教学改革，培养符合STCW78／95公约的轮机专业人才，使轮机专业学生深入认识船用发电机主开关继电保护装置和主开关的机械结构，研制了微机控制的船用发电机继电保护试验装置；同时，该试验装置的研制将成为对微机化船用发电机继电保护测试装置的有力探索。

PFS3000 protective and fault information management system realizes transmission of protection information and oscillography files to master-control room, forwarding protection events as digital inputs to control and supervisory system, and receiving contact signals from control and supervisory system.

PFS3000 电网继电保护及故障信息管理系统（以下简称"青岩保护子站"）实现了保护信息和波形文件上传到主控室，将保护事件按遥信转发到监控系统，从监控系统接收转发过来的硬接点信号。

To improve most of the reactor protection devices that have shortcomings in inter-turn protection, the paper puts forward a highly sensitive, reliable inter-turn protection system, which is made up of both negative-sequence and zero-sequence power direction relays and so can solve the problem of overcompensation, undercompensation and uncertain compensation degree in inter-turn protection that is based on the compensation principle. Furthermore, according to the characteristics of different differential protection principles, the system adopts a plan of integrating these principles so as to increase the sensitivity and reliability of differential protection.

其中，论文针对大多数已投运的电抗器保护装置在电抗器匝间短路保护方面的不足，提出了具有较高灵敏性和可靠性的由负序、零序功率方向继电器共同构成的匝间保护方案，从而弥补了基于补偿原理的匝间保护存在的过补偿和欠补偿以及补偿度难整定的不足。

According to the current, motor protection are divided into overcurrent,negative and zero sequence protection.

基于MSP430的电动机保护装置是在传统的电机保护装置上集成了多种保护措施，实现了对低压电动机故障的判断和保护。

The result indicates that honeybee is the most ideal pollinator, and honeybee industry has played a vital role in maintenance of environment development and protection of ecological equilibrium.

研究结果表明，蜜蜂是最理想的授粉昆虫，蜜蜂产业在维护环境发展和保护生态平衡中具有重要作用，当前要大力宣传蜜蜂授粉对农业的增产和维护生态平衡的作用，出台保护授粉的法规，培育龙头企业，推进产业化进程，带动农业增产和农民增收，把保护蜜蜂提高到保护人类的高度来认识。

By learning the course, students those who do not major in plant protection can understand the basic conception of plant protection science, the occurrence law, prediction methods, the prevention technology and strategies of agricultural pests, and the basic theories and elementary knowledge of the integratedpest management and the extension of plant protection technology.

课程简介：本课程的教学目的是使农科非植物保护专业本科生了解植物保护学的基本概念、植物保护涉及到的各类有害生物及其危害发生规律、预测方法、防治技术与策略，以及主要农作物有害生物的综合治理和植物保护技术的推广应用等方面的基本理论和基本知识。

Based on the relict gull distribution at Hongjiannao lake and its protection significance, varies of manage policies, including the "protect island and bank" policy and establishment of watch station, and so on, were introduced in details, which is significant for the protection of wetlands.

在研究红碱淖湿地遗鸥种群的资源分布及保护意义的基础上，详细介绍了"保岛护岸"、建立保护观察站等保护红碱浮湿地及其遗鸥种群所采取的多样综合管理措施，为湿地保护及发展提供借鉴。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。