On the researches of added resistance in waves, the added resistance prediction based on the strip approach is usually used.
对于波浪中的阻力增加的研究,一直是理论研究和工程应用的重点。
It is pointed out that the influence function of added resistance in waves can be used for the design and modification of ship form of high speed ship with least resistance.
这说明波浪增阻影响函数可以作为高速船舶最小阻力船型设计与改进的基本依据。文中还讨论了增阻影响函数的性征与变化规律。
This added resistance causes the waveform frequency to drop, lowering the pitch of the sound you hear internally and creating a sort of feedback effect that stimulates the eardrum from both sides.
声波降调的可能性增加,并且随着鼓膜双次振动带来的反馈效应,音高也会随之降低。
The team used zinc fingers that specifically target the IPK1 gene and then added bacterial DNA that would disrupt the gene while at the same time conferring herbicide resistance to the plant.
他们团队用利用锌指结构以IPK1基因为目标,另外添加可以中断此基因同时赋予植物抗除草剂性质的细菌DNA序列。
They added that an increase in antimicrobial resistance and virulence of bacterial pathogens after passage through protozoa has been previously demonstrated.
他们补充道:“通过原生生物这个途径繁殖的细菌的抗药性及毒性会得到提高在很早前就得以证实。”
When they exposed tobacco cells to the zinc finger nucleases, they also added a version of that gene that enhances herbicide resistance.
他们在使烟草细胞接触锌指核酸酶之外,也添加了可增强抗除草剂特性的基因片段。
The wet-skid resistance of tread stock was improved when the compound was added to tread stock.
将该复合材料加入载重轮胎胎面胶中,可提高胎面胶的抗湿滑性。
The dissolvent can be exposed to the air, for it has been added some additives for oxidation resistance.
这种溶剂可以暴露在空气中,因为其中已经加入了抗氧化的添加剂。
Conclusions When environmental pressure was added, positive pressure breathing higher than the ventilative resistance of the Eustachian tube could prevent ear barotraumas.
结论当人体的环境压力增加时,经面罩提供大于咽鼓管通气阻力的正压呼吸可以预防耳气压伤的发生。
The point which can be made, however, is that the added flexibility offered by composites, together with the inherent advantages of light weight, corrosion resistance, etc.
但可以指出一点,与其它材料相比,复合材料广泛的适应性,加上较轻的重量、耐腐蚀等特性。
The gangue had high reaction activity and low resistance to retardency with highly foaming ability. When BMS-1 added as defoamer, the foaming ability weakened visibly.
尾矿的反应活性较好,抗阻缓性较差,发泡比较严重,加入消泡剂BMS-1后,发泡明显减弱。
The physical properties, oxidation resistance, and thermal shock resistance of the low carbon MgO-C brick specimens added with the synthesized B4C-C composite powder are excellent.
以炭黑和硼酸为原料,采用碳热还原法合成了部分石墨化B4C-C复合粉体,并将其作为碳源和抗氧化剂用于低碳镁碳砖中。
An ohmmeter with four-terminal measurement capability is used to prevent lead resistance from being added to the measurement. The source terminals are connected on either end of the contact pair.
使用具有四端测量能力的欧姆计,以避免在测量结果中计入引线电阻。
Even if used in industrial latex paint, the said polymer can be slightly added to improve scrub resistance of film thereof.
即使在工程乳胶漆中,加少量该遮盖聚合物也可以适当提高涂层的耐洗刷性能。
To overcome finite word length effects and improve its resistance to the attack of crypt analysis, a chaotic map as a private key is added to the existing chaotic watermarking systems.
该方法在现有的混沌数字水印系统基础上,增加一个混沌映射作为私有密钥来克服有限字长效应和提高算法的抗破译性。
Both the oxidation resistance and the electrical conductivity of the pitch coke can be improved when a suitable amount of activating agent is added in the coal-tar pitch.
用这种煤沥青制得的沥青焦,其抗氧化性提高,在活化剂加入量适宜时沥青焦的导电性能也有所提高。
When spodumene was added in the products, the cause for reducing firing temperature, enhancing mechanical strength and heat-shock resistance, possessing good chemical stability was clarified.
阐明在制品中添加锂辉石,能降低烧成温度,提高机械强度,抗热振性以及具有良好的化学稳定性的原因。
Therefore, a connector and a contact surface between the connected guide wires are added through the inner connecting pipe and the outer connecting pipe to lower the resistance of the contact surface.
因此,它可以通过内连接管和外连接管大大增加连接器与被连接导线间的接触面,降低接触面电阻。
GSK have added that all tested influenza virus subtypes have shown no resistance to zanamivir and that they have sufficient supplies for the 2008-2009 flu season.
葛兰素史克(GSK)补充说,所有的受试流感病毒的亚型对扎那米韦没有耐药性,并且他们可以在2008- 2009年感冒流行季节保证充足的供应。
Both the oxidation resistance and the electrical conductivity of the pitch coke can be improved when a suitable amount of activating agent is added in the coal tar pitch.
初步探讨了活化剂的加入对煤沥青的焦化活性、沥青焦的结构、氧化活性和导电性的影响。
We have added 2-extra rows of grid plates to compensate for the new lower resistance of the stainless steel.
我们已经增加了两排栅板来补偿新不锈钢板的低阻抗。
The abrasion resistance of air entraining concrete has little changes when salts added into concrete.
引气混凝土中掺盐后耐磨性基本不变。
The force resistance of powered support when horizontal loading was added under the condition of laboratory was analyzed and a horizontal loading experiment method was put forward.
对在实验室条件下进行水平加载检验时,液压支架受力情况进行了分析,提出了水平加载的试验方法。
The mortar part inspects the influence on resistance to chloride ion penetration by different water-binder ratios, different added materials, different sand-binder ratios and different ages;
砂浆部分研究了不同水胶比、不同掺和料、不同龄期、不同砂胶比分别对其抗氯离子渗透性能的影响;
The main problem with the two-wire method as applied to low resistance measurements is that the total lead resistance (RLEAD) is added to the measurement.
两线测量方法用于低阻测试时的主要问题是测量结果中增加了引线的总电阻(RLEAD)。
Aluminosiloxanesol is added in colored cement made by ourselves, the weather fastness, solvent resistance and aging resistance of colored cement are tried, the result is satisfying.
本文介绍在超声波的作用下制得的硅铝氧烷溶胶、在自制的彩色水泥中加入硅铝氧烷溶胶并对彩色水泥的耐候性、耐溶剂性、耐热老化性进行测试,效果良好。
It is pointed that Durafibers added in concrete improve its split tensile strength more, approximately 14.6%, and its shrinkage-resistance increasing obviously.
研究发现,在混凝土中掺加杜拉纤维对混凝土的劈拉强度有很大的提高,提高了约14.6%,对混凝土的早期抗收缩性能也有显著的提高。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
同时,为了使转速估计和转子电阻的辨识解耦,在励磁电流处叠加了小幅交流分量。
The influences of the species and added amount of water-resistance agents on the properties of coated high absorptive base paper with low basis weight were investigated.
研究了涂料体系中抗水剂的种类和用量对低定量、高吸收性原纸涂布后主要性能的影响。
The influences of the species and added amount of water-resistance agents on the properties of coated high absorptive base paper with low basis weight were investigated.
研究了涂料体系中抗水剂的种类和用量对低定量、高吸收性原纸涂布后主要性能的影响。
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