查询词典 3-Pentanone

Basal petioles 1.5–5 cm, sheaths long, broad; blade oblong, 2–4 × 1–2 cm, pinnate; pinnae sessile,(3–) 4–6 pairs, remote; ultimate segments long-ovate to suborbicular, 5–10 × 3–8 mm, base subtruncate or rounded, entire or apex shallowly 1–3-toothed, sometimes 3–4-crenate; terminal pinnae obovate or orbicular, base cuneate, apex more deeply 3-lobed.

基部的叶柄1.5-5厘米，鞘长，宽；叶片长圆形， 2-4 * 1-2 厘米，羽状；羽片无柄，(3-)4-6 对，遥远；末回裂片长卵形到近圆形， 5-10 * 3-8 毫米，基部近截形或圆形，有时，浅全缘或先端1-3齿状具圆齿；更深的顶生的羽片倒卵形的或圆形，基部楔形，先端3浅裂。

And the water demands for ecological environment in Chaoyang River, Wuni River and Ajiutian River on Supa River basin are 1.54×10^8m^3, 3.31×10^8m^3, 3.56×10^8m^3 separately, and the water demands for sediment transport are all over 99%,which are respectively 48.9%, 44.9% and 52.3% of the runoff.

苏帕河流域朝阳、乌泥河、阿鸠田河的河流生态环境需水量分别为1.54×10^8立方公尺、3.31×10^8立方公尺、3.56×10^8立方公尺，分别占来水量的48.9%、44.9%和52.3%，其中输沙需水量均占99%以上。

By the nucleophilic substitution reaction of 6-O-tosyl-l,2:3,4-di-O- isopropylidene-a-Z-galactopyranose (3) with some substituted 1, 2,4- triazole-3-thiols (4a ~ 4c) or 1, 2, 3,4-tetrazole-5-thiols (5a~5f), nine 6-S-(substituted triazolyl or tetrazolyl)-l,2 : 3,4-di-O- isopropylidene-a-D-galactopyranoses (6a ~ 6i) were prepared in high yields. Their structures and configurations were analyzed and established by elemental analysis, IR, NMR, MS spectra.

报道了6－O－对甲苯磺酰基－1，2：3，4－二－O－异亚丙基－α-D吡喃型半乳糖（3）与取代的3－巯基三唑或5－巯基四唑4a-4c或5a-5f的亲核取代反应，合成了9个6－S－－1，2：3，4－二－O－异亚丙基－α- D吡喃型半乳糖（6a-6i），通过元素分析，IR，NMR和MS确证了上述化合物的结构，并经分子模型计算进行了其构象分析。

Results Eleven compounds were obtained and identified as sarcodonin A, scabronine B, 3β-hydroxy-5α, 8a-epidioxyergosta-6, 22-dien,(22E, 24R)-ergosta-7, 22-diene-3β, 5α, 6β-triol,(22E, 24R)-ergosta-7, 22-diene-3β-ol, benzoic acid, 4-hydroxylben-zaldehyde, 4-monopropanoylbenzenediol, ethy1-β-D-glucopyranoside, thioacetic anhydride,(2S, 2'R, 3S, 4R)-2-(2-hydroxyoctadecanoylamino) docosane-1, 3, 4-triol.

结果共分离鉴定了11个化合物，分别是：sarcodonin A、scabronine B、3β羟－5α，5α-过氧麦角甾－6，22-二烯－3β-醇、(22E，24R)-麦角甾－7，22-二烯－3β，5α，6β三醇、(22E，24R)-麦角甾－7，22-二烯－3β-醇、苯甲酸、对羟基苯甲醛、对羟基苯甲酸乙酯、乙基－β-D-吡喃葡萄糖苷、硫代乙酸酐、（25，2'R，3S，4R）-2-（2-羟基－十八碳酰胺）二十二碳烷－l，3，4-三醇。

RESULTS: A germacrane sesquiterpenoid, incaspitolide D (1), along with-N-benzoylphenylalanine--2-benzamido-3-phenyl- propyl ester (2), indole-3-carboxylic acid (3), apigenin (4), diosmetin (5) and luteolin (6) was isolated. CONCLUSION: Compounds 1-5 were isolated for the first time from Vernonia patula.

结果：分离到1个牻牛烷型倍半萜内酯， 1个苯丙氨酸衍生物、1个生物碱和3个黄酮化合物，根据波谱数据和X-衍射分析分别鉴定为：incaspitolide D (1)，-N-苯甲酰基苯基丙氨酸–-2-苯甲酰氨基–3-苯基丙酯(S-N-benzoylalanine-–2-benzamido-3-phenylpropyl ester， 2；吲哚-3-羧酸(indole-3-carboxylic acid， 3)；香叶木素(diosmetin， 4)，芹菜素(apigenin， 5)和木犀草素(luteolin， 6)。

Results(1)At concentration of 0.002 5%,the KT50 is 4 min :0.002 5% is 3.77(3.40-4.15)min ;0.005% is 3.17( 2.88- 3.48)min;0.01% is 3.45(3.25-3.65)min ;(2)the LC50 is 0.000 530 9%(0.000 490 0%-0.000 575 2%);(3)the 100% mortality(24 hour) with the Dagongda concentration is at the rate of 0.002 5%;(4)when used as residual smearing,Dagongda can be keep its efficacy more than 270 days under room temperature;(5)The field tests,the killing rates of 0.03% Dagongda to Xenopsylla cheopis were 80.80% for 2 days and 93.87% for 29 days respectively.

2当药物浓度在0.0025%、0.005%、0.01%时，印鼠客蚤24h死亡率均为100%。(3)持效：药膜在室温和普通湿度下存放9个月后，药物浓度在0.0025%以上时，印鼠客蚤24h死亡率均为100%。(4)现场2d灭效：使用0.03%浓度对地面游离印鼠客蚤的校正灭蚤率为80.80%。(5)现场残效(29d)：使用0.03%浓度对地面游离印鼠客蚤的校正灭蚤率为93.87%。

Among 6 dimensions, the needs and the importance come to the same thing, the priorities of developmental need are listed as follows:(1) maintenance and assistance,(2) operation and process,(3) administration duty,(4) teaching development,(5) broadcast and communication, and (6) evaluation and consultation.2. Among 45 items, the top 3 of the importance rankings were:(1) information security and data backup,(2) network keeping,(3) computer classroom management; the top 3 of the needs rankings were:(1) network keeping,(2) information security and data backup,(3) operating system maintenance.

二、从专业知能项目来看，重要程度排序前3名依次为：（1）具备维护资讯安全及备份资料的能力、（2）具备维护网路架构与设备以保持通讯顺畅的能力、（3）具备管理电脑教室的能力；培训需求排序前3名依次为：（1）具备维护网路架构与设备以保持通讯顺畅的能力、（2）具备维护资讯安全及备份资料的能力、（3）具备维护伺服器稳定运作的能力。

Excessive application of N-fertilizer inhibited root growth in early stage and promoted that in later stage; 6 gplot^(-1) root dry weights reached gradually and overweighed that of 3 gplot^(-1) until 65 d after transplanting, and 6 gplot^(-1) root activities became stronger than that of 3 gplot^(-1) until 55 d after transplanting; The ratios of root/shoot and the root nitrate activities of 6 gplot^(-1) were less active than that of 3 gplot^(-1) since 45 d after transplanting.

施氮过量抑制根系的早期发育，移栽后65d以前6 g盆^(-1)的处理根干重小于3 g盆^(-1)的处理，65d以后6 g盆^(-1)的处理根干重逐渐达到并超过3 g盆^(-1)的处理；移栽后55d以前6 g盆^(-1)的处理根系活力低于3 g盆^(-1)的处理，55d以后6 g盆^(-1)的处理根系活力高于3 g盆^(-1)的处理；移栽后45d以后6 g盆^(-1)的处理的根冠比小于3 g盆^(-1)的处理，6 g盆^(-1)的处理NR活性小于3 g盆^(-1)的处理。

In comparison with the anaerobic batch fermentation of 1,3-propanediol from saponified glycerol, the bioprocess of two successive microbial fermentations for the production of 1,3-propanediol was feasible. The yield of 1,3-propanedio was higher than that of 1,3-propanediol directly from saponified glycero with 15 h in the two-stage fermentation in a 18h batch fermentation.

玉米淀粉。微生物发酵1，3一丙二醇(1，3-propanediol，简称1，3一PD)是一种重要的化工原料，与乙二醇、l，2一丙二醇和1，4一丁二醇有着相似的性质和用途，但又有许多其他二醇所不具备的优点，尤其是1，3-PD与对苯二甲酸合成的新型聚酯——聚对苯二甲酸丙二酯所展示的许多优良特性，使1，3一PD的研究开发日趋活跃。

At last, Wu defeated his opponent 3-6、6-2、6-3、6-3,which brought China's final victory 3-2,as well as the opportunity of entering the second round from May 7th to May 9th.In the second round, China will host Kazakhstan, which defeated Korea 5-0 in the first round of Group I in Asia/Oceania zone. If China's victory continues then, she will rise in rank to World Group playoff and battle her way to Word Group.

最终，吴迪以3-6、6-2、6-3、6-3，总比分3-1战胜对手，至此，中国队以总比分3-2战胜乌兹别克斯坦队，杀入第二轮的中国队将在今年的5月7日-5月9日继续在主场迎战哈萨克斯坦队，后者在本周的亚大区I组第一轮中以5-0战胜韩国队杀入四强的，如果那时中国队再次取胜，将晋级世界组附加赛从而向世界组冲击。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。