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During extracting vacuum still bottom and hydrocyclone underflow of H-coal process,coal liquid could be clearly divided into deashed liquidproducts of ash yield less than 0.05% and ash-rich residue with ash yield greater than 60%.

在萃取氢-煤法减压蒸馏釜液或水力旋风分离器底流物时,这些重质物料可分离成灰分在0.05%以下的低灰液体产品和灰分达60%以上的富灰残渣。

The effect of pyrolysis conditions on the products yield of epoxy resin in waste printed circuit boards was investigated using the vacuum pyrolysis oven heated by temperature controller. The effects of temperature, heating rate, pressure and reaction time on the yield of vacuum pyrolysis production were analyzed.

在真空条件下,应用程序升温的管式炉反应器对废弃电路板中环氧树脂热解规律进行研究,考察不同的热解终温、升温速率、真空度及保温时间等各种因素对产物产率的影响。

Fo, Fm, Fv/ Fm, Yield, qP, qN and the apparent photosynthetic electron transport rateall exsited obvious diurnal variation ,the declines in Fm, Fv/ Fm, Yield and qP were observed at midday strong sunlighton the other hand , qN amounted to maximum value at midday. Fo decreased and some varieties went up again in the evening, but the value of evening was lower than morning. ETR varied as a two-peaked curve.

其中Fv/Fm、Fm、Yield、qP均呈先下降后上升的趋势,在中午强光下降低到一天中的最低值;qN则呈先上升后下降的趋势,在中午时分达到一天中的峰值;Fo一天中呈下降趋势,部分品种傍晚稍有回升,但仍比早晨低;ETR日变化呈双峰曲线。

Artificial selection has yield food crops with higher yield, cows that give more milk, tree that grow faster, and many different types of dogs and cats.

人为淘汰有出产量给更多牛奶的食用农作物与更高的出产量,快速地增长的母牛,树和狗和猫的许多不同的类型。

Compared net N 30.0 kg/hm\+2 of organic fertilizer with net N 75.0 kg/hm\+2 of the compound fertilizer, tobacco leaf yield has not been dropped but yield value can be increased 1?

将结晶有机肥用量降至纯N30.0 kg/hm2 与复合肥纯N75.0 kg/hm2 比,烟叶产量无明显降低而产值可增加1741.7 元/hm2 。

Co-coking of blend coal and waste plastics made tar yield increase and water yield decrease in the overlapped decomposition tempera...

首次提出了协同效应强度的概念及其计算式:βi=(Wm-ΣnWj×100和Wj)/Σnj=1j=1βT=Σ|αiβi|,并得出废塑料的添加量为1%时,协同效应强度最大。

The results showed that: planting two crops in a year under the condition of 640 mm annual mean rainfall in the Loess Plateau conduced to the substantial use of solar and water resources in summer fallow, the biomass yield, economical yield and water use efficiency was improved in different degrees, and the material cycle was enhanced.

结果显示:在黄土高原东南部年降雨量达640 mm左右的旱作农田,发展&一年二熟&种植能较好地利用夏闲期的水热资源,不同程度地提高了全年的生物产量、经济产量、水分利用效率,加强了农田物质循环。

Along with increase of infecting area and diseased plant rate year after year, the harm of rice stripe blight reached peak in 2005 and resulted in serious rice yield reduction. Yield of Wuyujing series cultivars was reduced about the 50 percent and there was almost no any output in some farmland.

发病面积逐年上升和发病率逐年提高。2005年更是达到发生危害的高峰,造成水稻严重减产,武育粳产量损失达到50%左右,严重田块几乎绝收。

From the research result mentioned above, it was concluded that the selection of excellent single shoot tissue culture seedlings was an effective approach to guarantee fast growth and high yield of rattan plantation; the application of advance planting technique, such as controlling planting time, seedling number per group and spacing was very important for the purpose of minimizing unfavorable effect of rattan planting on upper trees, increasing cane yield and improving the level of economic gain; the determination of optimal harvest regime by adjusting the first harvest time, the lower limit of stem length for cutting as well as the harvest interval offered technical support to utilize resources reasonably and sufficiently and to enhance the economic benefit dramatically.

综合分析,通过组培快繁技术选择优质组培单芽藤是保证藤林速生丰产的有效途径;根据藤种的生物学特性,选择适宜的林地和上层林分,采取调控种植时间、丛栽株数和株行距等造林措施是减少棕榈藤间种对上层树种不利影响、有效增加原藤产量和提高林地增益水平的关键措施;而通过控制初始采收龄、起采茎长和采收间隔期,确定藤林最佳采收方式是促进资源充分利用、提高藤林的经济效益的有力保障。

2 Effects on yield and quality In relay-planting system, increase the quantity of nitrogen application could increase the yield and quality of spring-sown maize and summer-sown maize.

3.2 不同施氮水平产量和品质差异对套作来说,增施氮肥使全年产量提高、品质改善,这得益于春、夏玉米的协调,但是产量的阈值要高于品质阈值。

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推荐网络例句

Now she was hungry and angry.She began to smoulder.

现在她又饿又气,她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90:8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。

Because of their partly crystalline structure polyamides need a relatively high processing

我们的方针是,既要满足客户的需求,并且也不使用对环境有损害的重