The main contents of this paper as follow: Fundamental theories about vibration and noise especially precedential research on engine noise are summarized.

This article has done research on the distributed situation of the welding residual stress of the rectangular pipe and magnitude of the residual stress. The research is based on the related precedential experiments and simulations. The ANSYS software is applied to conduct the simulator study.

本文对焊接矩形管焊接残余应力的大小及分布情况进行了研究，是在前人相关的试验和模拟的基础上，采用ANSYS软件进行模拟研究的。

The empirical fact of the cases shows that the system is passive, unauthorized, precedented, non-systematic, at random and objective.

而已有的案例以经验事实表明，宪法解释与违宪审查制度具有被动性、非授权性、先例性、非制度性、随机性与客观性。

Upon contracting government projects, the antecedent money for bidding, guarantee money or the preserved money may be reduced by up to50%;

二承揽政府工程时，押标金、工程保证金或工程保留款，得降低百分之五十以下；

Conclusions: To rebuild sanitary toilet needs alteration of the concepts, increment of financial input, strengthening surveillance of feces' innoxious disposal and the appropriate skill training in rural area.

结论：增大改厕经费的财政投入，加强粪便无害化监测和加强农村卫生改厕适宜技术的培训。

To improve the construction of ecological agriculture demonstration base of innoxious foods, green foods and organic foods;

以点带面，加强无公害食品、绿色食品和有机食品等生态农业基地建设；

Gold nanoshells are innoxious, biocompatible and easy to be functionalized.

金壳二氧化硅颗粒无毒、生物相容性良好，表面易功能化。

The Disposal and Treatment of Wasted Computers in Innoxious Method

废旧电脑的无害化处理与处置

I love each innoxious green leaf

我爱每一片无毒的绿叶

The rate of production is 1.5%. It is innoxious.

产物无毒，收率为1.5%。

Zhongyuan oilfield conducts a study on innoxious treatment of wasted drilling fluid to eliminate the contamination to soil and underground water source.

为解决废弃的钻井液对周围的土壤及地下水源造成污染，中原油田开展了废弃钻井液无害化处理技术的研究工作。

The sealed media possess the features of innoxious, flavourless, leakproof, anticorrosive, able to endure acid and alkali, fireproof and insulation.

密封介质无毒、无味、不爬液、不腐蚀、耐酸碱并具有良好的阻燃和绝缘性能。

Due to its well optical and thermal stability and innoxious property, titania ( TiO2) nano-materials is the most common photocatalyst used in the field of photocatalytic hydrogen production and environmental photocatalysis.

因其具有良好的光、热稳定性和无毒等优点，纳米TiO2是能源光催化和环境光催化领域最常用的光催化材料之一。

Study on Metal Recovery and Innoxious Diposal of Electroplating Sludge Using Incineration

电镀污泥焚烧渣资源化及无害化处理研究

Cannas natural antistaling agent is innoxious, scentless, edible and safe because it won't be left on the fruits after preservation.

以美人蕉根茎为主要原料制成的保鲜剂，为白色粉末，天然、无毒、无异味、可食用，保鲜后不会在水果上留下有害残留物，安全可靠。

Study on Synthesis and Application of Rare Earth Doped with PVC Thermal Stabilizer Liquid Innoxious

稀土掺杂液体无毒PVC热稳定剂的合成与应用研究

CONCLUSION: FKA is safe and innoxious for the domestic rabbits and guinea pigs.

结论：FKA对家兔和豚鼠安全、无毒。

Decoloring and Spectral Properties Analysis of Innoxious Ultraviolet Absorbents

无毒紫外吸收剂的脱色及光谱特性分析

Third generation product: A crylic-acid coating, it is environmental protection product, nontoxic and innoxious and its durability can last for 5 years.

第三代产品丙烯酸涂料，环保产品，无毒、无害，耐久性达5年左右。

Results Topical grade HA ( HA-T) and food grade HA ( HA-F) are innoxious substance, which acute oral toxicity LD50> 5 000 mg/ kg;

结果外用级HA（HA-T）和食用级HA（HA-F）急性经口毒性LD50>5000mg/kg，属实际无毒物质；

During this period, they have learnt how to distinguish poisonous snakes form innoxious ones and often catch them to eat.

在这个过程中，他们学会了识别有毒的蛇和无毒的蛇，并经常抓无毒的蛇来吃。