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Social Variables Affecting the Reproductive Behavior of Rural Women in Some of Villages Sohag Governorate 影响索哈格省部分村庄农村妇女生育行为的社会变量
Pub Date : 2024-03-31 DOI: 10.21608/asejaiqjsae.2024.340491
Ftian Ali, Mohamed Nasr Kabak Omar, Soha Ibrahem Mohamed, Rabab Selim ElSerafy
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引用次数: 0
A Study of some Factors Affecting Sustainable and Unsustainable Consumption Patterns of Rural Women "A Case Study in The Villages of Al-Muneera And Tanida in the New Valley Governorate" 影响农村妇女可持续和不可持续消费模式的一些因素的研究:"新山谷省 Al-Muneera 村和 Tanida 村案例研究"
Pub Date : 2024-03-31 DOI: 10.21608/asejaiqjsae.2024.345641
Sara Hendy
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引用次数: 0
Effect of Water Stress and Salicylic Acid on the Growth and Oil Yield of Ocimum basilicum L. Plant in Newly Reclaimed Land 水胁迫和水杨酸对新开垦土地上欧芹植物的生长和产油量的影响
Pub Date : 2024-03-31 DOI: 10.21608/asejaiqjsae.2024.341919
A.H.M. El-Naggar, D. M. Badawy, M. R. Hassan, E. Shaban
The present study was carried-out during the two successive seasons of 2017 and 2018 at Banger AL-Sokar region, Borg AL-Arab, Alexandria, Egypt to study the effect of water stress, salicylic acid and irrigation rate on vegetative growth and oil yield of Ocimum basilicum L. plant in newly reclaimed land. Three levels of water stress were determined as a percentage of field water capacity 100, 75 and 50% and four concentrations of salicylic acid (SA) as foliar spray 0, 0.1, 0.2, and 0.4 mM were used, as well as two irrigation interval rates (every 4 th and 7 th days were applied. The results showed that spraying SA with low concentration i.e., 0.1-0.4 mM led to improve the vegetative growth and oil yield of sweet basil plants under water stress. The highest oil yield (7.38%) was achieved at 75% of field capacity in second cut in the second seasons with spraying of SA at 0.2 mM irrigated every 4 days as a moderate stress.
本研究于2017年和2018年连续两季在埃及亚历山大港Borg AL-Arab的Banger AL-Sokar地区进行,旨在研究水分胁迫、水杨酸和灌溉率对新开垦土地上欧加木(Ocimum basilicum L.)植株无性生长和产油量的影响。研究确定了三种水平的水分胁迫,分别为田间持水量的 100%、75% 和 50%,并使用了 0、0.1、0.2 和 0.4 mM 四种浓度的水杨酸(SA)叶面喷施剂,以及两种灌溉间隔率(每 4 天和 7 天)。结果表明,喷洒低浓度(即 0.1-0.4 毫摩尔)的 SA 能改善水分胁迫下甜罗勒植株的无性系生长和产油量。在中等胁迫下,每 4 天喷洒一次 0.2 毫摩尔的 SA,第二季第二刀的产油量达到田间产量的 75%,产油量最高(7.38%)。
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引用次数: 0
An Analytical Study of the Impact of Agricultural Policies on the Cotton Crop in Egypt (Field Study in Beni Suef Governorate) 农业政策对埃及棉花作物影响的分析研究(贝尼苏夫省实地考察)
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.346324
Amal Abd elhamed mohamed, Asmaa Abd Elrhman Mahmoud
ABSTRACT
摘要
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引用次数: 0
The Residents’ Perception of the Obstacles and Prospects Facing Alexandria's Maritime and Coastal Tourism 居民对亚历山大海洋和沿海旅游业面临的障碍和前景的看法
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.342396
Noura Saad
This research aimed to study the residents’ perception of the obstacles and prospects facing Alexandria's maritime and coastal tourism. Several the following sub-objectives can help achieve this goal: 1-Studying some the respondents' personal, Socio-economic characteristics. 2-A study of residents’ perception regarding an Egyptian marine and coastal tourism strategy. 3-A study of the residents’ perception of competitiveness—boosting the competitiveness of coastal and marine travel. 4-A study of the residents’ perception of sustainability—the expansion of sustainable tourism in coastal and maritime areas. 5-A study of the perception and character of Alexandria's coastline and maritime areas were enhanced by the respondents' thoughts. Research data were collected from 745 respondents using a personal interview questionnaire . The results show that the respondents have an excellent understanding of coastal and maritime tourism. Non-beach tourism activities were among the most relevant tourism initiatives aimed at developing the marine and coastal economies in Alexandria, which leads to a competitive and sustainable economy at the same time. The most important obstacles to the competitiveness of the coastal and marine tourism sub-sector were those related to seasonality, sustainability, and innovation. The necessity of having a plan that protects the natural and physical environments was also given a high priority by the respondents. Finally, the research presented several recommendations, including establishing monitoring programs and indicators, enhancing communication between different disciplines,
本研究旨在研究居民对亚历山大海洋和沿海旅游业面临的障碍和前景的看法。以下几个子目标有助于实现这一目标:1-研究部分受访者的个人和社会经济特征。2-研究居民对埃及海洋和沿海旅游战略的看法。3-研究居民对竞争力的看法--提高沿海和海洋旅游的竞争力。4- 居民对可持续性的看法研究--在沿海和海洋地区扩大可持续旅游业。5- 受访者对亚历山大海岸线和海洋地区的看法和特色的研究。通过个人访谈问卷从 745 名受访者中收集了研究数据。结果表明,受访者对海岸和海洋旅游有很好的了解。非海滩旅游活动是旨在发展亚历山大市海洋和沿海经济的最相关的旅游举措之一,这同时带来了具有竞争力和可持续发展的经济。影响沿海和海洋旅游分部门竞争力的最重要障碍与季节性、可持续性和创新有关。受访者还高度重视制定保护自然和自然环境计划的必要性。最后,研究提出了若干建议,包括制定监测计划和指标、加强不同学科之间的交流等、
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引用次数: 0
Economic Study for Maize Yield in Egypt 埃及玉米产量经济研究
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.343289
Ahmed Gerish, Bassant A. A. Abdou
ABSTRACT
摘要
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引用次数: 0
Modification of Lignin Polymers with COMT Anti-Sense Gene in the Jatropha curcas L. by Green Biotechnology Tools 利用绿色生物技术工具用 COMT 反义基因修饰麻风树的木质素聚合物
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.346752
Heba Krosh, Hossam El-wakil, Ahmed Khaled, Manal Abdel-Rahman
Lignin, a complex aromatic polymer, is considered a part of the secondary cell wall. Also, it's called a "cell adhesive" based on provides strength and rigidity to plant tissues and fibers through strong cross-linking with cell wall components. Moreover, lignin acts as a line of defense for plants against biotic and abiotic stresses. In the field of plant biotechnology, particle bombardment remains the most important technique to directly transfer DNA from source to target organ and the most widely used method to generate transgenic plants for commercial purposes. Down-regulation of Jatropha curcas's lignin-producing caffeic acid 3-O-methyltransferase (COMT) gene production pathway led the transgenic plants to develop cell walls. The transgene COMT antisense is used as a selection marker pZMAS-COMT 10,907 bp plasmid (University of Illinois) to confer resistance to glufosinate herbicides under the 35S promoter. Irradiation of embryonic callus with bullet particles introduced the COMT antisense gene and reduced the amount of lignin. Transgenic green callus was used to extract DNA, RNA, and PCR & RT-PCR were performed to detect the presence of genes. A positive sharp band appeared in the green callus, indicating that the gene expression level was downregulated compared to the control. Transgenic shoots and green callus had lower lignin content compared to controls.
木质素是一种复杂的芳香族聚合物,被认为是次生细胞壁的一部分。木质素还被称为 "细胞粘合剂",它通过与细胞壁成分的强交联为植物组织和纤维提供强度和刚度。此外,木质素还是植物抵御生物和非生物压力的一道防线。在植物生物技术领域,粒子轰击仍是将 DNA 从源器官直接转移到目标器官的最重要技术,也是产生商业用途转基因植物的最广泛应用方法。下调麻风树产生木质素的咖啡酸 3-O-甲基转移酶(COMT)基因生产途径导致转基因植物形成细胞壁。转基因 COMT 反义基因被用作选择标记 pZMAS-COMT 10,907 bp 质粒(伊利诺伊大学),在 35S 启动子下赋予其对草铵膦除草剂的抗性。用子弹粒子照射胚性胼胝体,引入 COMT 反义基因并减少木质素的含量。用转基因绿色胼胝体提取 DNA 和 RNA,并进行 PCR 和 RT-PCR 检测基因的存在。与对照组相比,绿色胼胝体中出现了一条阳性尖带,表明基因表达水平下调。与对照相比,转基因芽和绿色胼胝体的木质素含量较低。
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引用次数: 0
Entomotoxic Properties of White Kidney Bean and Soybean Lectins and their Effects against Two Digestive Enzymes of the Spiny Bollworm, Earias insulana (Boisd.) 白芸豆和大豆内酯的昆虫毒性特性及其对刺吸虫(Earias insulana (Boisd.))两种消化酶的影响
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.337001
Mervat H. A. Metayi, Hend S. El-Tahawe, Alaa M. Khorchid
Plant lectin, a heterogeneous group of carbohydrate-binding proteins, is a direct defensive mechanism in plants against the attacking insects. Lectins from the leguminous plants Glycine max (GML) and Phaseoulus vulgaries (PhVL) were tested for their entomotoxic and growth inhibitory effects against the spiny bollworm (SBW), Earias insulana Boisd. The impact of the examined lectins on the two digestive enzymes of SBW, α-amylase and total proteases, was also investigated. Bioassay studies conducted on second-instar larvae over five and six days showed that GML (LC 50 values of 72.22 and 33.45 µg/gm diet) was more hazardous than PhVL (LC 50 = 299.05 and 182.91 µg/gm diet). GML and PhVL at LC 25 equivalent concentrations (8.97 and 34.43 µg/gm diet) significantly (p < 0.05) reduced the larval weight to 24.9 and 27.4 mg / larva compared with 55.3 mg / larva in control after 9 days of treatment. The average time for SBW larvae to pupate increased when GML and PhVL were added at LC 10 and LC 25 in comparison to the control. In addition, the tested lectins significantly (p < 0.05) reduced pupal mean weight, pupation, adult emergence, fecundity and fertility. Tested lectins demonstrated significant inhibition of α-amylase and total protease enzyme activity in larvae of SBWs fed on diets containing concentrations comparable to LC 10 and LC 25 . These findings imply that GML and PhVL are appropriate proteins to add to the cotton plant's DNA in order to control SBW.
植物凝集素是一类碳水化合物结合蛋白,是植物对昆虫攻击的直接防御机制。研究人员测试了豆科植物 Glycine max(GML)和 Phaseoulus vulgaries(PhVL)的凝集素对刺棉铃虫(SBW)Earias insulana Boisd 的昆虫毒性和生长抑制作用。此外,还研究了受检凝集素对刺吸虫两种消化酶(α-淀粉酶和总蛋白酶)的影响。在二龄幼虫身上进行的为期五天和六天的生物测定研究表明,GML(LC 50 值分别为 72.22 和 33.45 微克/克食物)比 PhVL(LC 50 = 299.05 和 182.91 微克/克食物)危害更大。处理 9 天后,LC 25 同等浓度(8.97 和 34.43 µg/gm 日粮)的 GML 和 PhVL 可显著(p < 0.05)降低幼虫重量至 24.9 和 27.4 毫克/幼虫,而对照组为 55.3 毫克/幼虫。与对照相比,添加 LC 10 和 LC 25 的 GML 和 PhVL 会延长 SBW 幼虫的平均化蛹时间。此外,受测凝集素还能显著(p < 0.05)降低蛹的平均重量、化蛹率、成虫出现率、受精率和繁殖力。在饲喂浓度与 LC 10 和 LC 25 相当的日粮的 SBW 幼虫体内,受测凝集素显示出对 α 淀粉酶和总蛋白酶活性的明显抑制作用。这些发现表明,GML 和 PhVL 是添加到棉花植物 DNA 中以控制 SBW 的适当蛋白质。
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引用次数: 0
The Economic and Social Returns of Hayat Karima Program in Matrouh Governorate 马特鲁省 "哈亚特-卡里马 "计划的经济和社会回报
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.345091
Amr Aboushaara, Mohamed Salem, Wael Helmy, Hesien El sininy
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引用次数: 0
The Impact of Partial Replacement of UF-Skim Milk Retentate by Denatured Salt Whey Protein Paste on The Quality of Feta Cheese Analogue 变性盐乳清蛋白糊部分替代超临界奶渣对菲达干酪类似物质量的影响
Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.343050
Sameh S. Yacoub, Khaled S. Nassar, Sameh Awad, Sameh A. Hendy
The present investigation was conducted to study the effect of partial substitution of UF-retentate of skimmed cow's milk with the denatured salt whey protein past (DSWPP) aiming to obtain the optimal formulation of the two ingredients for manufacturing of feta cheese analogue. In this study, the ratios of substitution were 5, 10, 15 and 20% (wt/wt). Physicochemical properties, texture profile, organoleptic properties, microbial quality and economic efficiency of the UF-FCA were studied along 60 days of refrigeration storage (6±2°C). Inclusion of DSWPP caused significant differences (p≤0.05) in physicochemical properties of UF-FCA. Dry matter content and pH values were decreased, while significant increase was observed in total protein, water soluble nitrogen, and titratable acidity values as compared to control. Moreover, significant differences were observed in texture parameters among all UF-FCA treatments. The values of hardness, springiness, cohesiveness, gumminess and chewiness were decreased, whereas adhesiveness values were increased as compared to control. Organoleptic properties of UF-FCA with or without DSWPP were acceptable by the panelists. Cheese samples contained 15% DSWPP were the most preferred among all treatments. The microbial quality was satisfactory for all cheese treatments. The cold storage for 60 days led to different changes in UF-FCA properties. The economic study efficiency indicates that the additional ratio of DSWPP up to 20% (wt/wt) as partial replacer for UF-skim milk retentate in the production of UF-FCA resulted in a decrease in the total production cost
本调查旨在研究用变性盐乳清蛋白粉(DSWPP)部分替代脱脂牛奶的 UF 还原酸盐的效果,目的是获得这两种成分的最佳配方,用于生产羊乳酪类似物。在这项研究中,替代比例分别为 5%、10%、15% 和 20%(重量比)。在 60 天的冷藏储存(6±2°C)期间,对 UF-FCA 的理化特性、质地、感官特性、微生物质量和经济效益进行了研究。加入 DSWPP 后,UF-FCA 的理化特性有显著差异(p≤0.05)。与对照组相比,干物质含量和 pH 值有所下降,而总蛋白、水溶性氮和可滴定酸度值则显著增加。此外,所有 UF-FCA 处理的质地参数都存在明显差异。与对照组相比,硬度、回弹性、粘合性、胶质感和咀嚼感的数值都有所下降,而粘合性的数值则有所上升。含有或不含 DSWPP 的 UF-FCA 的感官特性均可被小组成员接受。在所有处理中,含有 15%DSWPP 的奶酪样品最受青睐。所有奶酪处理的微生物质量都令人满意。冷藏 60 天后,UF-FCA 的特性会发生不同的变化。经济研究结果表明,在生产 UF-FCA 的过程中,将 DSWPP 作为 UF-脱脂奶渣的部分替代物,添加比例最高可达 20%(重量/重量),可降低总生产成本。
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引用次数: 0
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Alexandria Science Exchange Journal
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