Because of low yield, saponin B was not identified.
皂甙b因得率极低，未能完成鉴定。
The drought made the potato had a low yield this year.
干旱使今年的马铃薯的产量很低。
The low yield doesn't seem to bother them much, even now.
即使现在，他们似乎并不太忧心低收益的问题。
Direct esterification will take long reaction time with low yield.
直接酯化法反应时间长，产率低。
Calm steel disadvantage is concentrated shrinkage, low yield, high price.
镇静钢的缺点是有集中缩孔，成材率低，价格较高。
Its characteristics: the production process complicated and difficult to burn, low yield.
其特点：制作工艺复杂，烧制难度大，成品率低。
Fruit contains total quantity of heat is not high, low yield of mostly belongs to medium heat.
水果所含的总热量并不高，大都属于中等偏低的产热量。
Low yield poor-quality bamboo forest transformation, press 80 yuan per Mu to give one-off grants.
低产劣质竹林改造，按每亩80元给予一次性补助。
The waterlogged lowland and clay salinized land accounted for 80% of the area′s low yield farmland.
低洼涝渍田和粘闭滞渍田是渍害土壤的主要类型，约占全市低产田总面积的80％。
The variety Norland had poor resistance and low yield, but it had high dry mater and starch content.
诺兰的抗性差、产量低，但干物质、淀粉含量高。
The problems for pyrolysis are low yield, difficult separation, wide diameter distribution and so on.
聚合法原料来源便宜，缺点是分离困难，收率较低，球径分布较宽等。
So, please, decide now to deliberately limit the time and attention you spend on "low yield" relationships.
所以，请现在就有意识地限制对“低产”关系花的时间和注意力。
Seeding propagation and extensive management were important factors that resulted in low yield and poor quality.
实生繁殖、经营管理粗放是造成板栗产量低、品质差的重要因素。
Up to date, there are many some problems in the preparation of nano onion-like fullerenes (a high cost and low yield ).
但是对洋葱状富勒烯的制备研究，目前还存在许多的问题（能量损耗高、收率低等）。
Cassava is a superior crop in Guangxi, however, at present its planting acreage is rather limited owing to the low yield.
木薯是广西的优势作物，但目前栽培面积还有限，产量低。
It gets good results on Shanxi province and provides scientific basis for the division of Shanxi medium-low yield fields.
并以山西省为例计算取得了较好的效果，为山西省中低产田的划分提供了科学依据。
A common stock of a nationally known company whose value and dividends are reliable; typically have high price and low yield.
国内知名企业发行的其价值和股息均有保证的普通股；高价低收益。
The synthesis of quinoxaline-2-carboxaldehyde from o-phenylenediamine and fructose was too expensive because of its low yield.
喹喔啉-2-甲醛的合成按前人的文献，操作麻烦、产率低、成本太高。
This paper states that forest tending and low yield forest rebuilding is the effective approach of resuming forest ecology system.
本文着重论述了加强森林抚育低效林改造是恢复森林生态系统的有效途径及其可行性和必要性。
The results illustrated that the associative thickener allowed a more equitable balance of high shear viscosity and low yield stress.
结果表明这种增稠剂能使乳胶漆具有高的粘度和低的屈服值。
It seemed that it is a good way to transform low yield forest by elite clones grafting for its easy method and big increase of output.
初步看出，用优良无性系嫁接换种改造低产林方法简易，增产幅度大，是改造低产林的有效途径。
Sulfuric acid was used as a catalyst to prepare acetic esters with more by-product, low yield, equipment corrosion and acid wastewater.
由于硫酸作催化剂合成羧酸酯副产物多、产率低、且腐蚀设备、造成环境污染。
"Most of the vineyards here rely on cellar-door sales," Mr. Goss told us. "That's what this area's all about: low yield and very high-quality wines."
戈斯先生告诉我们，这里大部分的葡萄酒直接在地窖销售了，低产高品质是这里葡萄酒的特点。
It overcomes the drawback of DMC low yield in traditional technology, raises the output of the product DMC and decreases the consumption of energy.
克服了传统工艺碳酸二甲酯收率低的弊端，提高了产品的产量，降低了能源消耗。
An experimental and theoretical study of the earthquake mitigation effect of hysteretic dampers using ultra low yield point steel was presented in this paper.
本文通过试验研究和理论分析探讨极低屈服点软钢阻尼器的减震效果。
In another direction, the radical cyclization of thioimide with acylsilane produced simple cyclization product in low yield without expected enol silyl ether compound.
对于硫醯亚胺与矽基酮的自由基反应，则是得到低产率的简单环化产物，而不是预期的烯醇矽醚化合物。
Dimethylethanolamine (DMEA) is an important chemical product, but there exists low yield disadvantage in its current synthesis technique because of many side reactions.
二甲基乙醇胺(DMEA)是一种重要的化工产品，其现有的合成工艺由于存在副反应导致收率较低。
The problem of electromagnetism governing-speed motors higher-consuming energy and lower frequency on low yield oil well through some contrast experiments is confirmed.
电磁调速电机在低冲次、低产量油井中的高能耗、低效率问题已被逐渐重视。
The problem of electromagnetism governing-speed motors higher-consuming energy and lower frequency on low yield oil well through some contrast experiments is confirmed.
电磁调速电机在低冲次、低产量油井中的高能耗、低效率问题已被逐渐重视。
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