1、

The sexual propagation of Adenophora tetraphylla is dominantly xenogamous. The seed setting ratio of its autogamy is about 1.2%.

轮叶沙参的有性繁殖主要依靠异花授粉,其自花授粉的结实率为1.2%。

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2、

What makes it different from the former adaptive threshold setting rules is that it is not based on the conventional CFAR criterion but on a novel constant equivalent signal to noise ratio ( CESNR) criterion.

与以往自适应门限设定方法不同的是,它不是基于传统的恒虚警概率判决准则,而是基于一种新颖的恒等效信噪比准则。

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3、

The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.

考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。

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4、

The mechanism offset double crank slider not only has the characteristic of super quick-return ( k> 3), but also has variety time ratio. The time ratio of this mechanism is changed only the setting position is changed, when the sizes of all linker are determined.

偏置双曲柄滑块机构不仅具有k>3的超急回运动特性,而且具有可变急回运动特性,机构中各构件尺寸一定时,仅仅改变其相对安装位置,便可获得不同的行程速比系数。

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6、

Methods: The setting expansion ratio of refractory die material for slip casting core of sintered titanium powder at room temperature was performed, as well as thermal expansion ratio from room temperature to 800 ℃.

方法:采用自制的钛合金粉浆涂塑底层冠用耐火代型材料(基础型),分别测定常温下的凝固膨胀率和室温至800℃的热膨胀率。

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7、

The first one adjusts the ratio between the global exploration capability and the local exploitation capability randomly, whereas the second one investigates the velocity threshold setting with individual-charactered behavior inspired from biological background.

第一种策略在算法运行过程中随机调整全局搜索与局部搜索的比例;第二种策略则从生物学背景出发,探讨具有个性化行为的最大速度上限调整策略。

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8、

The breaking strength and resilient-elasticity recovery of PTT fabric can be increased under suitable temperature and drawing ratio during heat setting, but its dilatability took worse.

选择适当的温度和拉伸比进行热定形,可提高PTT织物的断裂强力和弹性回复率,但其延伸性变差。

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10、

The system software from the EMS dispatching automation system and centralized UFLS device acquires the real-time observation data, low frequency on-line calculation and scheme of setting calculation ( Tangential load ratio or capacity).

该系统软件通过从EMS调度自动化系统和集中式低频减载装置实时获取观测数据,实现低频在线计算与方案整定计算(切负荷比例或容量)。

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11、

the method comprises the following steps: firstly, setting an optimal flow mixture ratio of mixed gases;

包括下列步骤:首先设定混合气体的最佳流量混合比;

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12、

It needs advanced maintenance theory, setting up effectual fault diagnosis and maintenance systems to cut down the cost of upkeep and reduce accidental time, consequently increase operating ratio of equipment, machine hours and outputs.

运用先进的维修理论,建立行之有效的故障诊断和维修体系,以达到降低维修成本、减少事故时间的目的,从而提高设备运行率,增加机时产量。

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13、

By self-made static testing device of common micro-electrolysis, a group of static experiments were designed and fulfilled based on the four factors: volume ratio of iron slag and coke, optimum pH value setting under the acid and alkaline conditions, and optimum reaction period.

利用自制的普通微电解静态试验装置,以废铁屑与焦炭用量比,调溶液酸、碱pH值和反应时间4个因素设计进行了一组静态试验。

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