The yield of n-butyl gallate was 93.4% under the optimum reaction condition.
在优化反应条件下,没食子酸正丁酯的收率达到93.4%。
The yield of N-acetyl-3-nitrodiphenylamine was 98% under the optimal reaction condition.
在上述条件下N-乙酰基-3-硝基二苯胺的收率为98%。
The results of common chemical analysis indicated that the NO3-N movement was coresponded with the water condition.
结果表明,NO3—N的移动同降雨、灌水以及整个土壤系统中的水分状况密切相关。
Distribution n. The act of distributing or the condition of being distributed; apportionment.
分配,配给散布的行为或被分配的状态。
N curves of sorts of metals under general condition have been maturity. But the S N curves considering the effect of corrosive environment are reported.
目前常规条件下各种金属材料的S-N曲线已基本完备,但是考虑腐蚀环境影响的S-N曲线还很少见。
The effect of different N fertilizer forms on plant iron nutrition and the role of iron in plant N metabolism were studied under nutrient condition.
水培条件下研究了不同形态氮素对植物铁素营养的影响,以及铁对植物氮素代谢的影响。
It is shown that the best crosslinking reaction technological condition is: the molar ratio for the N-hydroxymethyl propylene acryl amine and the acrylonitrile monomer is 0.
确定最佳交联反应工艺条件为:n羟甲基丙烯酰胺与丙烯腈单体的摩尔比为0。
The relationship between mineralizable soil N and crop N uptake was studied under the condition of pot and field experoments respectively.
在盆栽和田间条件下,研究了作物吸氮与土壤可矿化氮的关系。
Take orthogonal experiment to study the yields and growth of corn under the condition of different irrigation frequency, different irrigation water quota, different N/P and irrigation on film.
为了确定影响膜上灌玉米生长发育的主要因素,采用正交试验研究单种玉米小畦膜上灌条件下,不同灌水定额、灌水次数和氮磷配比对玉米生长发育和产量的影响。
Method:at the same condition, we use different N to be replacement of maize plasm and change the matching to find the best project.
方法:在相同的工艺条件下,用不同的氮素代替玉米浆,改变配比寻找最佳方案。
The best order of approximation by (N, P) means of T-F series is discussed, and asufficient condition to reach this order is found.
讨论了算子(N,P)的最佳逼近阶以及达到此逼近阶的一个充分条件。
Metal-N-H is considered as one of the most-potential hydrogen storage materials as on-board applications for its high gravimetric hydrogen content at relatively gentle condition.
体系新型贮氢材料有很高的贮氢量和相对温和的释氢温度条件,有可能成为新一代的车用贮氢材料。
The results showed that the efficiency of fertilizer N used by wheat increased and a higher percentage of N absorbed was translocated into grain under the interplanting condition.
结果表明,麦棉套作条件下,小麦对肥料氮的吸收和利用率显著提高,且所吸收的氮素较多地分配到籽粒中。
The effect of molar ratio of n-butanol to lactate, the amount of catalyst, reaction time and water-carrying agent on the yield of ester was studied. The optimal condition of reaction was determined.
考察了醇酸比、催化剂用量、反应时间及带水剂对产率的影响,确定了该反应的最佳条件。
Authenticity n. The quality or condition of being authentic, trustworthy, or genuine.
真实性,具有真实的,可信赖的及真诚的性质或状态。
The frequency, correlation that outputs relation of n, modulation to wait set condition can store at most 100 group, OK call by need.
频率、输出电平、调制关系等的联系关系设定状况最多能存储100组、能够按需要挪用。
The results showed that in either aerobic or static condition, the removal rates of COD and NH_3-N degraded by three different solutions were more than 50% and 85%, respectively.
结果表明:三种培养液在曝气或静置的运行条件下,对微污染水中的COD和氨氮有稳定良好的去除效果,其去除率分别为50%和85%;
It is characterized of autotrophic ANAMMOX bacteria transferring NH4 + -n to N2 in anaerobic condition.
它是指在厌氧条件下由自养型anammox细菌将NH 4 +- N直接转化为n2。
Under shape invariance potential condition, The energy eigenvalues and eigenfunction of N-dimensional hydrogen atoms are obtained.
并用超势的特性,得到了N维氢原子的本征函数。
They all recovered. Conclusion: Mastering the clinical characteristic of pregnancy complicated with appendicitis, observing the change of patients condition and immediately carrying out n…
结论:掌握妊娠合并阑尾炎的临床特点,严密观察病情变化,及时采取有效的护理措施,对早期诊断、早期治疗、减少并发症的发生具有重要意义。
This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation.
采用好气培养法研究了新型硝化抑制剂3,4-二甲基吡唑磷酸盐(DMPP)对菜园土壤养分肥力的影响。
This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation.
采用好气培养法研究了新型硝化抑制剂3,4-二甲基吡唑磷酸盐(DMPP)对菜园土壤养分肥力的影响。
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