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Home > Al-Idah > Volume 37 Issue 2 of Al-Idah

آیات مجیئت و رحمت کی تشریح میں امام الدلجی کے فنون علمیہ کا جائزہ: مخطوطہ الاصطفاء لبیان معانی الشفاء کی روشنی میں |
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مرشیہ مرشد پاک

مرثیہ مرشد پاک
(مرثیہ جو مرشد پاک کے وصال کے بعد دربار پر حاضری کے وقت پڑھا گیا )

تان ساڑھی وچ ماڑی سوں گیوں دلدار وے
عاشق خالی ویکھ حجرہ رون ڈھائیں مار وے

سخن تیرے یاد کرکے رون زارو نذار وے
نکل آ، لا محفلاں، توں آ سُہا دربار وے

کون دیسی آن تسلیاں شہزادیاں نوں یار وے
کون دھرسی ہتھ سر تے ‘ کون کرسی پیار وے

عاشقاں دربار ملّا رون سانگاں مار وے
کد ملسی یار سوہنا بنھ کے دستار وے

حضورمحمد فیض علی شاہ ہَے نام سوہنا دل دیندا ٹھار وے
عاشقاں نے تانگ رکھی آ کرادے دیدار وے

سنج کچہری کر چلے عاشقاں سالار وے
باہجھ دلبر یار جانی جیونا بیکار وے

ویکھ جگہ مجلس والی نین مینہ برسائوندے
کتھ گئے دلدار جانی جیہڑے رونقاں لائوندے

باغ تیرا ذکر والا باہجھ تیرے سکیا
قمر نوری حسن والا ہیٹھ بدلی لکیا

نین کجلے دار تیرے عاشقاں من بھائوندے
حسن والے مان کردے عاشقاں ترسائوندے

اے محبوبا ویکھ تینوں نین کدی نہ رجدے
نوری مکھڑا حسن بھریا زلفاں کنڈل پھبدے

قادری سائیںؔ مرشد دے در رو رو ہاڑے پائوندا
باہجھ تیرے اے محبوبا چین نہ ہے آئوندا

Isolation of Plant Growth Promoting Bacteria from the Rhizosphere of Different Plants and Assessment of Their Plant Growth Promotion Potential Isolation of Bacteria and their Assessment for Plant Growth Promotion Potential

Plant are benefitted in different aspects by symbiotic bacteria. Environmental conditions, Plant conditions and type of pathogens determine these important services for plants Objective: The research was conducted to assess the plant growth enhancing effects of wheat and cabbage rhizobacteria on the growth of wheat plantMethods: For this purpose, total 49 bacteria were isolated and characterized from the rhizosphere of wheat and cabbage plants. The isolates were assessed for plant growth promoting properties such as: indole acetic acid production, phosphate solubilization, antibacterial activity and heavy metal resistance. Indole acetic acid was found to be produced by 7 isolates and phosphate solubilization was shown by 20 isolates. Antibacterial activity was determined against four clinical isolates like Staphylococcus aureus, Klebsiella sp, Escherichia coli and Pseudomonas aeruginosaResults: Antibacterial activity against Staphylococcus aureus was shown by 38 isolates, 12 isolates showed antibacterial activity against Escherichia coli and Klebsiella sp, whereas no isolate was found to bepositive against Pseudomonas aeruginosa. Another plant growth enhancing trait (heavy metal resistance) was shown by 28 rhizobacteria. In order to evaluate the capability of isolates to enhance the plant growth, bio-inoculation assay was performed using wheat seedsConclusions: Rhizobacterial inoculation increased the number of roots, shoots, leaves and roots and shoot length of wheat plantlets as compared to un-inoculated control.  

Role of Carbon Nanotubes Reinforcement and Processing Parameters on Mechanical Properties of Alumina Based Nanocomposites

Along with other oxide ceramics, alumina is an important and widely used industrial material. Its applications include prostheses and dental implants used as bio-medical replacements, wear- resistant components and speedy cutting tools, thermal and electrical insulations and coatings for high temperature use. The effectiveness of alumina for such uses is credited to its excellent corrosion resistance, high hardness, good electrical and thermal insulating properties and high compressive strength. However, regardless of its excellent potentials and properties, its use for structural applications has significantly been limited due to its low-fracture toughness and low- fracture strength. The potential use of carbon nanotubes reinforced ceramic nanocomposites for various engineering applications has unlocked an interesting area of research. In the current work, two kinds of sintering routes, namely pressureless and spark plasma sintering are used for the synthesis of multiwalled carbon nanotube reinforced alumina matrix nanocomposites. The characterization of the resulted nanocomposites is carried out and their comparison with the sintering behavior of monolithic alumina is presented. Two types of composites were prepared by using pressureless and spark plasma sintering techniques both contained 1, 2 and 3 wt% of as-received and functionalized carbon nanotubes. The mixing and dispersion of carbon nanotubes in alumina was done by a novel technique of gas purging sonication. Varying percentages of carbon nanotubes in the composites were compacted using a uniaxial press followed by pressureless sintering at 1600°C in flowing argon with a dwell time of 15 minutes and spark plasma sintering at 1400°C under a pressure of 60 MPa for a holding time of 10 minutes. Pressureless sintered nanocomposites with 1 wt% carbon nanotubes gave 98.5% relative density with no degradation of carbon nanotubes. Moreover, it also resulted in an increase in fracture toughness from 8.1% and 9.4% and Young’s modulus by 5% and 7% when compared to as-received and functionalized carbon nanotube nanocomposites respectively with respect to pure alumina. This investigation has shown that the densification can be achieved without degradation of carbon nanotubes at elevated temperatures in the carbon nanotube-alumina nanocomposites sintered by conventional route. vWell-dispersed carbon nanotube-reinforced alumina nanocomposites have been synthesized successfully having a high density by spark plasma sintering. At 1 wt% functionalized carbon nanotubes addition in alumina, a near full density is achieved that contributes to the improvement in mechanical properties of the nanocomposites. On addition of 1wt% CNTs, fracture toughness values increased by approximately 18.6% and 14% for functionalized and as-received CNT-alumina nanocomposites respectively. However further addition of CNTs up to 3 wt % slightly decreased the hardness and the fracture toughness. Young’s modulus was improved by 6.5% for functionalized and 4% for as-received CNT-alumina nanocomposites over monolithic alumina. Average grain size of monolithic alumina is observed as 2.0 ± 0.5 μm while that of 1wt% CNT-alumina nanocomposite was less than 1 μm. The well-dispersed carbon nanotubes within the alumina matrix enhanced the pullout resistance, bridged the gaps between cracks and held up the crack propagation by using elasticity that lead to improved fracture toughness.