Results showed that whether microbial inoculation or not increase of fertilizer nitrogen rate raised celery yield.
结果表明，无论是否接种生物菌剂，增施氮肥均有利芹菜产量的提高。
Field experiment was carried out to study effect of different nitrogen rate on growth, yield and quality of flue-cured tobacco when applying green manure to soil.
采用田间小区试验研究了绿肥全部还田条件下不同施氮水平对烤烟生长发育以及烟叶产量、产值和品质的影响。
Continue to increase nitrogen rate, grain yield decreased significantly. No. of spikes, grains per hectare and protein yield decreased or had no significant differences.
继续增加施氮量子粒产量显著降低，公顷穗数、穗粒数、蛋白质产量降低或无显著差异。
The results show that increasing the nitrogen rate as plasma arc gas, higher stirring intensity and longer alloying time, the nitrogen content in steel is also increased.
提高等离子氮流量、增强搅拌、延长精炼时间，钢中含氮量增加。
Research was conducted from 2002 through 2004 to evaluate the effects of variety, nitrogen rate, topping height, and separation of the upper-stalk tobacco at harvest on production of tip grades.
为了评估品种、氮用量、打顶高度和上部叶分次采收对生产顶叶等级的影响，从2002 - 2004年进行了研究。
The effects of planting density and nitrogen application rate on nitrogen absorption and utilization by rice were studied with Wuxiangjing 9(Japonica variety).
以迟熟中粳稻武香粳9号为材料，研究了基本苗和施氮量对水稻氮素吸收与利用的影响。
Results The curative rate with liquid nitrogen was 94%.
结果接受液氮治疗的患儿治愈率为94%。
The leaching process and nitrogen forms, and the effects of application rate and the depth of soils on nitrogen loss by leaching were also discussed in this paper.
还探讨了氮肥淋溶过程中的氮形态变化，以及施氮量和土层深度对氮肥淋浴损失的影响。
The system based on the pledged average total nitrogen removal rate of 98.2%, obtained good short-cut nitration effect, the subnitration of each aerobic reaction was all above 95%.
系统在保证平均总氮去除率98.2%的基础上，获得了较好的短程硝化效果，各好氧反应段的亚硝化率均在95%以上。
Compared with the treatment without DMPP, nitrogen recovery rate was improved by 13. 4% in the treatment adding DMPP on conditions top-dressing with top-dressing and lower application rate.
在氮肥追肥、低施氮量的情况下，与未添加DMPP的处理相比，施用DMPP的处理氮肥利用率提高了13.4％。
Isotope dilution method was adopted in lab for the study of the effect of crude oil contamination on the rate of nitrogen mineralization and nitrification in soil.
在实验室中用同位素示踪法，研究了土壤中不同石油污染量对氮矿化及硝化速率的影响。
Results showed the nitrogen mineralization potential and mineralized rate was affected significantly by different long-term fertilization practices.
结果表明，长期不同施肥措施显著影响水稻土氮矿化势及矿化速率。
Effect of nitrogen and ammonia content on the nitriding rate, the microstructure, nitrogen concentration and hardness distribution of the nitriding case were studied.
研究氨气和氮气混合气氛的成分对渗氮速率的影响，测定了渗氮层的显微组织、渗氮层氮浓度分布及有关力学性能。
As bulking agent, dry feces and mushroom dregs have similar effects, but dry feces gets easily and has higher translation rate of nitrogen.
干粪和菇渣作为填充料具有相似的效果，干粪容易获得，并且处理氮的转化率更高。
There existed a linear correlation equation between nitrogen excretion rate and ingestion rate or assimilation rate.
总氮排泄率随摄食率与同化率的提高而呈线性增加。
Specific leaf weight and nitrogen content had positive relation to the net assimilation rate.
比叶重和含氮量与净同化速率间存在正相关。
Nitrogen output rate from flag leaf, stem and leaf sheath were increasing, but nitrogen contribution rate was decreasing with varietal development.
随着品种演替，旗叶、茎杆和叶鞘中的氮素输出率增加，而输出氮的贡献率则与此相反。
The clearance rate of blood - urea nitrogen, serum creatinine and endogenous creatinine and the urinary protein quantity in 24 hours were markedly improve.
而血尿素氮、血清肌酐、内生肌酐清除率、24小时尿蛋白定量等生化指标均有明显改善。
Studies were conducted on the effect of nitrogen fertilizer kinds on growth, photosynthetic rate, yield, value and content of aromatic matter of Oriental tobacco.
研究了不同氮肥种类对香料烟生长、光合速率、产量、产值及香气物质含量的影响。
With the aerobic aeration and anaerobic stir carried on alternately 3 ~ 4 times, respectively, the rate of nitrogen removal is above 90%.
当反应期内好氧曝气和缺氧搅拌交替进行3 ~4次，脱氮率可以达到90%以上。
So choosing and breeding maize variety of highly nitrogen fertilizer utilization rate based on different maize genotype is a positive and efficient measure to the problem.
针对这一情况，一种积极有效的措施就是根据玉米基因型存在差异而选育氮高效玉米品种。
Result:The results showed that suitable nitrogen source rate can improve level of fermentation.
结果：试验表明，合适的氮源比例能够提高发酵水平。
DMPP can improve the yield of maize, especially on the nitrogen recovery rate.
DMPP对提高玉米氮肥利用率有显著效果。
According to the nitrogen release rate gained from experiments, the release amount of nitrogen from the urban channels was estimated.
根据模拟试验中氮的释放率，估算城市内河中氮的释放量。
The validation with different data sets involving variety, sowing date, and nitrogen application rate showed that this model had a good predictability and practicability.
通过不同品种氮肥处理试验建立模型，利用不同品种播期试验资料对模型进行了初步检验，表明模型具有较好的预测性和适用性。
There also existed a linear correlation equation between estimated total nitrogen excretion rate and the rates of nitrogen ingestion and assimilation separately, except for the juveniles.
总氮排泄率与氮的摄食率及同化率也分别呈显著正相关，但仔虾例外。
Backwash cycle has more effect on ammonia nitrogen removal rate.
反冲洗周期对氨氮的去除率有较大影响。
Moreover, the increase of hydraulic loading will lead to the decline of the removal rate of organics and ammonia nitrogen.
此外，在低温条件下提高水力负荷会导致对有机物和氨氮去除率的下降。
Results There were no significant changes(P>0.05) in blood serum creatinine, urea nitrogen, and endogenous creatinine clearance rate between before and after using vancomycin in 65 old patients.
结果65例老年患者在应用万古霉素前后血清肌酐、血尿素氮、内生肌酐清除率的变化差异无统计学意义（P>0.05）。
The effects of nitrogen sources on the production of Lthreonine and conversion rate of glucose were studied with Lthreonine production strain TRFC.
以L-苏氨酸生产菌TRFC为供试菌株，研究了氮源对L-苏氨酸发酵的产量和糖酸转化率的影响。
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