邻苯二甲酸盐,一种添加到塑料制品中增加柔软度的复合物,被认为与婴儿出生缺陷有关。
Phthalates, compounds added to plastics to make them softer, have been linked to birth defects.
为了改善网络性能,采用自适应警戒参数的方法对网络进行优化;采用多SFAM分类器集成复合的方法克服分类缺陷。
In order to improve network performance, the adaptive alert parameters was applied to optimize the network, and Multi-SFAM compounded classifier was used to overcome the classification defect.
使用膨胀型复合模铸保护渣保护浇注钢锭,普遍存在的一个问题是容易使钢锭产生头部积渣这一表面缺陷。
A general problem in protecting the casting ingots by using expanded complex mould casting mold powder is the surface defect that slag deposition can be evolved easily in ingots head.
本文建立了复合材料疲劳寿命曲线的“有效缺陷模型”,阐明了模型中两个参数的物理意义。
The effective flaw model is developed to describe the S-N curves of composite materials. The two fitted parameters in the model have certain physical meaning.
目前使用的大量萘系高效减水剂存在着坍落度损失大、与水泥的适应性差、易泌水等缺陷,本文运用物理多元复合技术对萘系高效减水剂进行了改性。
Some defects such as quick slump loss, poor compatibility with cement and easy bleeding were found in current use of a great number of naphthalene superplasticizers.
进行碳纤维复合材料切削加工时,易产生各种加工缺陷,刀具磨损快,尺寸控制困难。
It is easy to produce a lot of machining defects for carbon fibre composite material in cutting processing. Tools wear quickly and it is hard to control size.
采用自配的添加稀土氧化物Y2O3和复合变质剂的镍基合金粉末对叶片铸造缺陷进行激光熔覆修复。
Ni-based alloy with Y2O3 and composite modifier was used to repair cast defect in blade.
研讨复合型曲线视距横净距的计算,分析“规范”关于视距横净距计算方法的缺陷及局限性,提出通用计算法及其公式。
The paper analyses the drawback of the calculating method of lateral clear distance of the curves with fransitious provided by the specification and provides a common calculation method and formula.
红外热成像无损检测由于检测面积大、速度快和非接触从而在复合材料缺陷检测中的应用越来越广泛。
Infrared thermographic non destructive testing (it NDT) was increasingly used in the inspection of composite materials due to large surface, rapid and noncontact testing capabilities.
最后通过含缺陷管道室内修复试验和水压爆破试验,研究复合材料修复技术的施工工艺和修复补强效果。
The process and effection of composite reinforcement system were studied by pipeline reinforcement room experiment and pipeline water stress experiment.
最好听从这样的建议,长期坚持服用复合维生素能填补营养缺陷,帮助消费者更健康的生活。
It is better to meet these recommendations than not, and consistently taking a multivitamin over the long term could help fill these nutrient gaps and may help consumers lead healthier lives.
分析复合理论和纤维间距理论的缺陷,并且通过连续纤维增强水泥基复合材料的单轴拉伸试验加以验证。
The defects of composite material theory and fiber distance theory are analysed, and they are verified through uniaxial stretch test of continuous fiber reinforced composite material for cement base.
本文主要对YFC系列冷压焊复合触头自动机生产中常见产品缺陷的形成原因及解决办法进行了探讨。
The causes of the common product defects formed in production with YFC series of cold welding bimetal contact manufacturing machines are analyzed and corresponding solutions are proposed in .
复合材料结构和复合材料加固结构的缺陷一般都是内部缺陷,传统的人工目测法很难检测。
As defects on composite material structure and composite material reinforced structure are inside, traditional testing method is hardly possible.
介绍了制造啤酒所用复合辊套的结构,离心铸造复合辊套的工艺参数,讨论了辊套的缺陷及防止方法。
Structure of beer compound roll and technological parameters of casting by horizontal centrifugal have been introduced with discussion of defects and preventing methods of roll.
根据复合构件加工中的各种缺陷,分析了采用预压应力钻削对改善表面加工质量的重要性。
After the various visual defects during drilling processes were analyzed, the importance of drilling with compressive pre stress was presented.
实验结果为进一步研究红外检测复合材料缺陷提供了理论与实验依据。
This result provides some theoretical and experimental proofs for further studies on methods of inspecting composite material for defects.
其次,讨论了典型的轴对称形式的初始几何缺陷对复合材料圆柱壳轴压稳定性的影响。
Secondly, the influence of typical axisymmetrical initial geometrical imperfections on the stability of composite cylindrical shells under axial compression is discussed.
甘油激酶缺乏症(GKD)是一种少见的X染色体隐性遗传性代谢缺陷病,可分为单纯型和复合型。
Glycerol kinase deficiency (GKD), a rare X-linked recessive disorder, is classified into two types: isolated and complex.
冻土是多相体复合材料,土体冻结过程中在内部形成空穴、裂隙等多种缺陷。
Frozen soil is a kind of multi-phrase compound material. There are many defects and micro-cracks in frozen soil.
这是辐照缺陷及其相关复合体对氧沉淀形核过程起了加速作用的结果。
It is believed that nitrogen complex irradiation defects to form complexes, which enhance oxygen precipitation.
复合材料的主要破坏机制为基体断裂,当复合材料中粗颗粒含量增加或者粗颗粒本身的缺陷增多时,粗颗粒的断裂也将成为重要的复合材料破坏机制。
The fracture mechanism of composites is matrix crack, but the particle crack will be the main crack mechanism when the content of coarse or the flaw in the coarse increased.
同时芯片表面钝化层内的缺陷数目也在温度作用下增加,引起芯片表面复合速度增加。
Simultaneously, defects in the passivation layer of the device surface are also increased with the increasing of the baking temperature and also the surface recombination velocity.
当表面复合速率和体缺陷密度较大时,纳米柱的长度不宜过大。
When the surface hole recombination velocity and defect density is bigger, the length of nanowire should not be too long.
设计与分析了交流伺服系统FZ - PID的复合控制原理,针对阀值切换所存在的缺陷提出了一种基于模糊规则切换的复合控制器。
The paper designs and analyzes the compound control principle of the AC servo system. To against the shortage of the common FZ-PID controller, a complex controller with fuzzy switch is proposed.
晶锭凝固过程中的杂质分布以及杂质和缺陷之间的作用,决定了不同凝固位置缺陷的复合特性。
The different recombination properties of defects may be explained by means of the distribution of impurities during crystal growth.
在轨道交通中,钢轨由于自身材质的缺陷以及长期受到各种外力复合作用会使得钢轨发生折断现象。
Variety of rail defects and long-term of external force will cause the phenomenon of rail fracture. There are two common reasons which will causes rail break.
本文主要介绍了爆炸焊接不锈钢复合板中两种隐蔽性缺陷的形态、分布规律以及超声波检测。
This paper introduced the distribution and pattern of two conceal defects in explosive welding stainless clad steel plate and their ultrasonic inspection.
研究了含缺陷输油管道的复合材料修复技术,制备了复合材料修复技术用室温固化胶粘剂和复合材料卷材。
Highly effective composite pipeline reinforcement system containing fast-curing adhesive , composite wrap materials and process was investigated in this thesis .
并且克服了时域法要求对QRS 复合波的起点和终点准确定位不易的缺点,以及频域分析法频率分辨率不足的缺陷。
The advantage of this method is that it doesn't require locating accurately the end point of QRS wave of HRECG and overcomes low resolution of frequency-domain analysis.
应用推荐