The evaluation of the safe yield of ground water must be based on that the disaster ground subsidence don't take place. The control of ground subsidence is the control of disaster ground subsidence.
地面沉降条件下的地下水允许开采量评价必须以灾害性地面沉降不发生为前提，地面沉降的控制应是控制灾害性地面沉降。
He was giving up 1.6% in yield, plus upside equity in a AAA-rated credit for the 'safe haven' of an ever-eroding AA-plus piece of government paper.
他放弃的不仅是1.6%的收益率，还有强生股票的AAA信用评级及日后的上升空间，而去购买所谓的“避险天堂”、信誉仍在不断丧失的AA+级的美国国债。
It is not hard to see why they resist: a safe system would force average returns lower as high-yield activities came with more frequent, but systemically harmless, failures.
不难看出后者为什么抗拒：一个安全的系统将压低平均回报率，因为高收益活动将带来更频繁的、于系统无害的倒闭。
Interbank loan rates starting today also eased, though modestly, while the yield on safe short-term US Treasuries moved higher, as risk appetite improved.
银行间同业拆借利率今天也有所趋缓，虽然幅度不大。随着风险偏好增加，美国短期国债收益率有所上升。
But while T-bills are as safe from default as anything on the planet, they yield a very low rate of return.
但是虽然从违约来看 T-bill 和这颗星球上的其它事物一样安全，它的回报率却是极低的。
In the conditions the reaction is smooth and steady, safe and reliable, and both the yield and purity of cyclohexyl nitrate are very high.
在此条件下，反应比较平稳、安全，得到硝酸环己酯的产率和纯度都较高。
In the condition both the yield and purity of isooctyl nitrate are very high. The method is safe and reliable. and suits to chemical production.
在该条件下制得的硝酸异辛酯收率和纯度都比较高，方法安全可靠，适用于化工生产。
It's the same to coal mining enterprises, the safe operation, high yield and consistent production must base on the upgrading of the mining equipment and technology.
同样对于煤炭生产企业，煤矿要实现安全生产、高产、稳产，必须利用自动化技术升级现有煤炭生产装备和技术。
The synthetic method is comparably simple and safe with shorter time of reaction and better yield of the product.
此合成方法操作简便、安全、反应时间短且收率较文献高。
The use of new devices tackles such troubles and effectively improves safe and steady operation of units so that the station can yield greater economic benefits.
突出介绍新装置投运所能解决的以前存在的安全隐患问题，有效提高了岩滩水电站机组的安全稳定运行，发挥更大的经济效益。
A sudden fertilizer damage will bring some serious hidden troubles for safe agricultural production, high agricultural yield, much farm's income and stable rural society.
突发性肥害事故对农业安全生产、农业增效、农民增收、农村稳定带来严重隐患。
The new process is helpful to protect the catalyst, raise the yield of the catalyst, and reduce the cost and stabilize the safe production.
可保护催化剂，提高催化液收收率，降低成本，并稳定安全生产。
Researches show that, the yield can reach 60 %, the method is safe, moderate and simple.
结果表明：该法收率达6 0 % ，具有反应条件温和、易操作等特点。
The results show that under certain conditions the reaction of chlorate with hydrazine sulfate is a new and safe method to produce chlorine dioxide. The product yield reaches 90% with a purity of 91%.
实验结果表明，在一定条件下，氯酸钾与硫酸联氨反应是一种安全有效的制备二氧化氯的方法，可得到收率大于90%、纯度在91%以上的二氧化氯。
The herbicide was safe to wheat, and the yield increased by 20%.
对小麦安全。小麦产量比对照增产20％以上。
The synthesis in this invention is safe and high efficiency, it is propitious to industrial manufacture, product purity is high, yield is high, and crystal form fluidity is good.
本发明合成路线安全、高效、适合于工业化生产，产品纯度高，收率高，晶形流动性好。
The synthesis in this invention is safe and high efficiency, it is propitious to industrial manufacture, product purity is high, yield is high, and crystal form fluidity is good.
本发明合成路线安全、高效、适合于工业化生产，产品纯度高，收率高，晶形流动性好。
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