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Seed dormancy and germination are complicated processes, and their mechanisms to date are still unclear.

种子的休眠和萌发是一个复杂的过程，至今尚未能清楚阐明其调控机制。

The dynamical processes of nutrient release were described correctly by Elovich equation S(subscript t=a+blnt, double constant equation InS(subscript t=a+hlnt and parabola diffuse equationS(subscript t=a+bt^0.5 and nutrient release rate could be described by parameter b of all equations.

结果表明，20℃恒温模擬条件下缓释复合肥氮、磷、钾养分缓释性能较佳，3种养分释放的动力学过程可用Elovich方程S=a+blnt、双常数方程InS1=a+blnt和抛物线扩散方程S=a+bt^0.5表征，各方程参数b值均可用於描述缓释复合肥氮、磷、钾养分释放速率。

Double-U curves of laser welding mode transition have been obtained, which can be used to determine the process parameters of the three mentioned welding processes.

标 签 激光焊接深熔焊热导焊焊接模式转变 laser welding deep penetration welding heat conduction welding welding mode transition

To succeed, not only must he or she be a competent draftsman, but also a skilled technician with a deep understanding of manufacturing processes and, increasingly, an affinity with essential 3D software.

要取得成功，不仅要他或她是一个称职的起草人，而且还具有技术有深入了解的制造工序，而且越来越亲原发性3D软件。

In addition, dredger operators are required to understand dredging processes and to be familiar with the...

本文针对疏浚技术培训与科学研究的需要，应用计算机技术和图形技术，对绞吸式挖泥船小型疏浚仿真器的功能、系统组成、数据流程以及疏浚数学模型等方面进行了探索，设计了小型疏浚仿真器，本文工作对于开展疏浚技术岗位培训，用仿真手段研究疏浚过程动态特性是有帮助的。

Injection silk screen of the tunnel furnace has two lines, drencher counter 28-bit, bronzing of more than 20 Taiwan, silk printing Taiwan for more than 40 professional home appliances, sports goods, telecommunication products, processes, such as gift processing industries through-train Services.

喷油丝印部有隧道炉流水线2条，水帘柜28个位，烫金机20多台，丝移印台40多个专业为家用电器、运动用品、通讯产品、工艺礼品等行业提供加工一条龙服务。

The Company may in accordance with customer needs, design and produce various kinds of powder, liquid coating line, assembly lines, advanced recovery system drencher painting room, electroplating equipment, electrophoresis equipment, electrostatic spray gun, according to local resources designed to fuel, gas , coal, electricity, heating source for degreasing, phosphating and drying, curing equipment and other processes.

本公司可根据客户需要，设计生产各类粉体、液体涂装流水线、组装流水线、高级回收系统、水帘喷漆室、电镀设备、电泳设备、静电喷枪，根据当地资源设计以燃油、燃气、燃煤、电力、为加热源的脱脂、磷化、烘干、固化等工序设备。

A wide variety of forging processes are used, and Fig.9.1 shows the most common of these: drop forging. The metal is heated to a suitable working temperature and placed in the lower die cavity.

锻造有很多类型，图 9.1表示最普通的落锤锻造：金属加热到适合加工的温度，并放进下型腔里。

These components are usually made of iron- or copper-base alloys and very small, so powder metallurgy offers a better method than the processes involving machining, drop forging, die casting, pressing etc.

这些部件一般是铁基或铜基合金，而且尺寸很小，因而用粉末冶金法制造比用切削加工，模锻，模铸，冲压等方法更好。

One of the basic problems in die casting is, that only vacuum assisted processes can give elevated ductility.

模具铸造的一个基本的问题是需要用真空辅助工艺才能够确保柔韧性。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。